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Current to PressureTransmitter

Table of Contents

Introduction 1

Description 1

Instrument Air and Filtration Information 3

Application Information 5

Calibration 7

Installation 11

Theory of Operation 12

Maintenance 14

Troubleshooting 16

Drawings 16

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IPTPage 1

Description

The IPT is a compact 2-wire current-to-pressuretransmitter that converts a standard process currentsignal to a pneumatic output. In its compact alumi-num housing, the IPT snaps onto standard mountingrails or optionally onto a header (RIR or SIR). Be-cause of the extremely low dynamic mass of thetransducer element, the unit can be mounted in anyposition and it is also very insensitive to shock andvibration.

IntroductionThis manual contains calibration and installationinformation for the Moore Industries' Current-to-Pressure Transmitter (IPT). Along with a descriptionof the IPT, this manual contains informationregarding instrument air, filtration, applications andrecommendations. Related tables and illustrationsare provided for reference purposes.

This manual contains notes and cautions that must beobserved to prevent equipment damage or minorinconveniences during calibration or installation of theIPT. The following definitions describe these cap-tions:

A NOTE shall contain technical or literary informationof a helpful nature. This information is intended to aidthe reader's understanding of the subject beingdiscussed and/or minimize inconveniences whileperforming technical tasks.

A CAUTION shall contain technical information of aserious nature that if ignored may cause equipmentdamage.

Individual IPTs consist of two parts: the transmittersection and an interlocking pneumatic mountingblock, which snaps onto a rail. Units that are orderedwithout a mounting block will clip onto an RIR or SIR(rack or surface mounted header), which supplies airto each unit using only one pneumatic supply pipe.Both mounting blocks and supply headers containself-sealing valves. Therefore, the IPT can beremoved and replaced without disturbing the pneu-matic connections or causing accidental venting ofthe supply or output air.

Operation can be montiored or calibration performedby using the electrical input and optional pneumaticoutput test jacks. A red LED display, which indicatesthe presence of an electrical input signal, is alsoprovided.

Table 1 contains the IPT equipment specifications,including inputs, outputs, power requirements, andperformance characteristics.

Model Number. The IPT model number describesthe equipment type, functional characteristics, operat-ing parameters, any options ordered, and housing. Ifall other documentation is missing, this number isused to identify equipment characteristics. The modelnumber for the IPT is located on a label on the sideof the unit.

Serial Number. Moore Industries maintains acomplete history on every unit it sells and services.This information is keyed to the serial number. Whenservice information is required on the IPT,it is necessary to provide the factory with this number.The serial number is located near the model number.

IPTPage 2

Table 1. IPT Equipment Specifications

Characteristic Specification

Input Current: 4-20mA or 10-50mA

Output Pressure: 0.2-1 BAR, 1-0.2 BAR, 3-15 psig, 3-27 psig,15-3 psig, 20-100 kPa, or 100-20 kPaZero: Adjusts zero to ±3% of spanSpan: For 20mA input, adjusts 3-15 psig output to 15 psig ±1%

Performance Accuracy: Less than 0.5% of span including the combined effects oflinearity, hysteresis and repeatability -- defined as independent linearityper SAMA standard PMC 20.1 - 1973. (For 3-27 psig or 10-50 mA,error not to exceed 1% of span).Step Response: 0.3 seconds into 100 ml (6 cu. in.) at 90% of spanSupply Pressure Effect: Maximum 0.3% / 1.4 psig (0.3% / 0.1 Bar)Mounting Position Effect: Negligible, unit can be mounted in any positionbut should be calibrated in final orientationShock and Vibration Effect: Less than 0.5% for acceleration up to 10 g'sand frequency up to 80 HzRFI Effect: NegligibleAir Capacity: 1.6 SCFM, minimumAir Supply: Instrument air only, filtered and regulated, 20 psig nominal,30 psig without damage. For 3-27 psig output, 35 psig nominal, 40 psigwithout damage.Air Consumption: Dead ended 0.1 SCFM (0.18 kg/hr)

Front Panel LED: Red light emitting diode indicates presence of electrical input signalZero and Span: Multiturn potentiometers+T, -T: Electrical test jacks for calibration; accepts 2mm (0.080 in) dia. x 12.7mm(0.50 in) long phone tip plugs (handles should be less than 8mm or 0.32 in.in diameter

Operating Range: –40°C to +85°C (–40°F to +185°F).Temperature Effect: Less than 0.055%/°F (0.1%/°C)

Weight 20 oz. (0.57 grams)

Note: See Installation Section for physical dimensions.

IPTPage 3

Instrument Air andFiltration Information

NOTEFor optimum performance, the selection anduse of a good quality air filtration system is

essential. Most users find that it is much lessexpensive and troublesome to design a systemthat includes good air filtration than deal with

downtime and repairs later.

To assure the maximum service life of an IPT, twothings are important: a clean, dry air supply and aclosed-loop application. Good air quality involvesremoving solids, oil and water from the air aftercompression. The cleaner the air, the longer thetime before servicing is needed.

Oversizing elements avoids performance abberationsand reduces maintenance time. Redundancy shouldbe used where possible to avoid shutdown duringmaintenance.

Solids: Random solid dirt, such as pipe scale andrust, is rarely a problem in compressed air instrumentsystems. A good filter removes these solids. How-ever, if there is a desiccant dryer in the line, a high-efficiency sub-micron filter is recommended toremove the highly abrasive sub-micron particlesproduced by the dryer. A high-efficiency filter isdesirable in any system, and is often a feature ofcoalescing-type filters.

Liquid Oil: Liquid oil is the most common problem incompressed air instrument systems. A coalescingfilter removes sub-micron liquid droplets from the air,and is usually supplied with an automatic drain.

A coalescing filter works by trapping oil and waterdroplets in a bed of microfibers. The droplets runtogether at fiber cross-over points, form large liquiddrops, and are forced by air flow to a drain. A filtersystem consisting of a general purpose first-stagefilter (about 5 micron) and a high-efficiency coalesc-ing final filter is recommended to obtain contaminant-free air.

The exact location of the first-stage filter is notimportant; it can be located just ahead of each finalfilter, or a single first-stage filter can be located on amain line to protect a number of final filters on branchlines. Each final filter (coalescing) should be locatedjust ahead of each pressure regulator. In a new plantinstallation, an oilless compressor may be used toeliminate this problem.

Water: The amount of water in an air system de-pends on temperature, pressure and the relativehumidity of the air. Therefore, this amount varieswidely with geographical location and weather.

Sufficient water must be removed to lower the dewpoint of the air to a temperature below ambient. Thedew point (at line pressure) is expressed as thetemperature at which any moisture in the systembegins to condense.

Water may be removed using a number of tech-niques, including coalescing filters, refrigerationdryers and desiccant dryers. In addition, a variety ofcombinations and modular systems may be used forspecial circumstances.

Care must be taken in the selection and location ofthe filter, because cooling downstream of the filter cancause more condensation of water. A coalescingfilter should be installed immediately upstream of thepressure regulator. This type of filter removes mostof the water before the air enters the regulator. Airleaving the regulator continues to dry due to theexpansion of the air.

For systems subjected to freezing temperatures, theportion of the system that runs outdoors should havea dryer installed. The dryer reduces the dew pointbelow the lowest expected outdoor temperature. Adesiccant dryer is used with a coalescing filter up-stream to keep the desiccant dryer from beingdamaged by oil or being overloaded with excessivecondensed water. Another high-efficiency coalescingfilter is recommended downstream of the dryer, toremove the desiccant fines.

IPTPage 4

ISA Specifications: The Instrument Society ofAmerica standard ISA-S73, 1975 (ANSI MC11.1-1975) covers the air quality requirements for instru-ment grade air for use in pneumatic installations.

The dew point in outdoor installations must be at least7.8°C (18°F) below the minimum local ambienttemperature. For indoor installations, the dew pointmust be at least 7.8°C (18°F) below the minimuminterior temperature or 2°C (35°F), whichever isgreater. Although the ISA standard calls for a 35°Fdew point, this is often unnecessary indoors, and maybe unsatisfactory outdoors under freezing conditions.

Max. No. MII Part No. Port Size Max. Flowof IPTs Female NPT @ 100 PSIG

2 800-802-42** 1/4 18 7 800-803-42 3/8 50 17 800-804-42 1/2 50 30 800-805-42 1/2 150

0.01 MICRON COALESCING FINAL FILTERS*

2 800-806-42** 1/4 4 7 800-807-42 3/8 1517 800-808-42 1/2 3530 800-809-42 1/2 6062 800-810-42 1 125

* All filters are based on maximum (full) air flow from the IPT.** These filters do not have sight glasses on the bowls.

5 MICRON GENERAL PURPOSE PRE-FILTERS*

Table 2. Recommended Filters for the IPT Air Supply

Filters that exceed the ISA specification provide veryinexpensive protection. Although the ISA specifica-tion calls for particle size not to exceed 3 micronsand oil content not to exceed 1ppm, most filtermanufacturers supply a line of coalescing filters thatremove particles down to sub-micron sizes (often0.01 micron) while also removing oil to below ISA1ppm specification (often to 0.01ppm).

IPTPage 5

The IPT requires periodic maintenance. The fre-quency of the service depends on the environment inwhich the unit operates and the quality of the instru-ment air supplied. Service in the field is limited tovisual inspection and cleaning of the input nozzle filterscreen on the IPT and servicing of the compressedinstrument air filtration system. The unit may bereturned to the factory for completedisassembly, cleaning, and servicing on a periodicbasis.

The use of coalescing filters with retention of 0.01micron particles and droplets is recommended; theyremove all undesirable traces of oil and water drop-lets. Proper placement with respect to theregulator(s) may eliminate the need for dryers, exceptwhen coalescing filters are exposed to freezing(keeping in mind that the dew point of the purified airmust be kept below worst case ambient).

Figures 1 and 2 illustrate typical non-redundantsystems with multiple branch lines. They both work inany environment above freezing and differ only in theplacement of the general purpose first-stage filter.Gages, valves, and differential pressure indicators(for filter service monitoring) are not shown. It isrecommended that filters with integral service lifeindicators or differential pressure indicators be usedto help ensure proper servicing, as well as redun-dancy to avoid shutdown during servicing.

Figures 1 and 2 differ in the method used to removewater. The use of a desiccant type dryer (figure 2)requires upstream filtration to prevent oil contamina-tion of the dessicant, as well as downstream filtration,to prevent desiccant fines from introducing newcontamination.

The service life of an IPT is directly proportional to thecleanliness and dryness of its air supply. The smalladditional cost of providing high-qulaity air ensures alonger, more trouble-free service life for the unit.

Application Information

The IPTmust be installed in a closed loop to operateproperly. In a closed loop, it is possible to measurethe controlled variable, to determine if a deviationfrom the desired value exists, and to automaticallyprovide feedback for actuator loading pressure.

The IPT cannot operate in an open loop. An openloop has inherent limitations that are not consistentwith precise control, such as: long term drift of theloop dynamics, load fluctuations that require constantadjustments of the actuator loading pressure, andquality variations because of inconsistencies betweenoperating personnel. A controlled variable cannot bedirectly measured in an open loop; this preventscompensating adjustments to the system input. If anIPT is installed in an open loop, it appears to drift dueto the lack of corrective feedback.

Recommendations

Any approach to providing good instrument air qualityshould evaluate the worst case air flow and ambienttemperature of the location. This is required todetermine sizing of the air system elements. Aknowledge of yearly humidity cycles is also importantfor this evaluation.

CAUTIONBefore placing IPTs in service, all pneu-

matic lines and mounting blocks or headers(SIRs or RIRs) should be "blown down" to

purge contamination and condensationdeposited during piping and installation.Also blow down lines to loads, since all

output air vents back through the IPT, andthere are never filters installed to trap these

contaminants (normally only present atstart-up). It is recommend this be done forat least an hour, longer if there is evidence

of water or oil coming through.

IPTPage 7

Calibration

This section provides information necessary to adjustand calibrate the IPT. Each unit is calibrated andchecked at the factory prior to shipment. Beforeinstallation, every IPT should be checked by the userfor proper operation. Generally, these checks, whichare specified under Calibration Procedures, requirelittle or no adjustment.

Adjustments

The IPT has Zero and Span adjustments located onthe front panel of the unit. They are representedsymbolically on the front panel by the followingmarkings:

represents Zero

represents Span

The type of potentiometer used with these adjust-ments usually require 22 turns of the shaft to movethe wiper from one end of its range to the other. It isequipped with a slip clutch at each end to preventdamage if the adjustment is turned beyond the wiperstop. Usually a slight change can be felt when theclutch is at the end of a range (i.e., it is slipping).However, if this change is not felt, either end can bereached by turning the shaft 22 turns in the desireddirection. Turning these potentiometers clockwisecauses the related output to increase in quantity orbecome more positive; while turning them counter-clockwise causes the related output to decrease inquantity or become more negative.

The Span potentiometer provides an adjustmentrange of ±1 percent of full scale.

The Zero adjustment consists of a conical-tippedmachine screw that displaces a torque arm on theflapper pivot. This controls the gap between theflapper and the nozzle to establish the zero-air bleedrate. The adjustment screw provides a control rangeof ±3 percent of full scale.

IPTPage 8

Table 3. Calibration Equipment

Equipment Characteristics Purpose

Adjustable current source 0-50mA output Simulate input signal

Dc milliammeter Accurate to ±0.05% Measure input signal

Instrument air supply Filtered Air supply

Air pressure gauge Accurate to ±2% Measure air supply pressure

Air pressure gauge Accurate to ±0.1% Measure output pressure

Phone tip probes (2) Must have 2,03mm (.080 in.) Easy access to inputdiameter tips, .5 inch long signal (optional)

Pneumatic test coupler For IPTs with optional test Easy monitoring of outputMII P/N 163-202-00 jacks pressure (optional)

Pneumatic load Volume of 7.5 cubic inches Provide standard load for(approx. 120 milliliters) test purposes (per IEC

specification #770)

Calibration Equipment

Table 3 lists the equipment required to calibrate theIPT. This equipment is not supplied with the unit andmust be provided by the user.

IPTPage 9

Calibration Setup

Figure 3 is an illustration of a typical calibration setup,including optional equipment. To check or calibratethe IPT, connect the unit as shown in this illustration.Refer to Calibration Procedures.

Calibration Procedure

There are two options shown in figure 3 for monitoringthe output of the IPT. The input current may bemeasured by placing a milliammeter in series with theinput terminals as indicated by M1 or connectedacross the electrical test jacks (+T and -T) as indi-cated by M2.

CAUTIONWhen measuring the input current using theelectrical test jacks, the milliammeter used

must have an internal impedance of less than10ý. Even with 10ý internal impedance, thereadings can have a variation of as much as

±.02% of full scale.

1. For zero adjustment, connect an adjustablecurrent source to the electrical input terminalblock. Set the current input signal to zero percent(e.g., 4mA for a 3-15 psig unit, 20mA for a 15-3psig unit or 10mA for 3-15 psig unit with 10-50mAinput).

NOTEObserve that the red LED indicator on the

front panel is illuminated at 4mA inputcurrent and glows somewhat brighter with

increasing current.

2. Using an air pressure gauge to measure the inputair supply pressure, connect a filtered air supplyto the pneumatic supply port located on thebottom or rear of the unit.

3. If the unit is supplied with the optional front-access pneumatic-output test jack, insert thepneumatic coupler into the receptacle. Thisavoids having to disturb any operating connec-tions or fittings.

CAUTIONCoupler must be kept lubricated to prevent

damage to O-rings in test jacks. Teflon lubri-cant is recommended. If grease is used, keep

out of air passage.

If the unit is not supplied with the output testjacks, use an air pressure gauge to measure theoutput air supply pressure (e.g., read 3 psig for a3-15 psig unit or 15 psig for a 15-3 psig unit).

CAUTIONTo avoid damaging their housings, use a

screwdriver with a head no wider than0.1 inch (2.54mm) to adjust the Zero-

adjustment screw and Span potentiometer.

CAUTIONThe Zero-adjustment screw must not be

backed out to the point where the slotted headpresses against the underside of the front

panel. It can put an excessive stress on thetransducer frame and may disengage thescrew from the flapper tension arm. If thishappens, the IPT must be returned to the

factory for realignment.

4. Any deviation in the output pressure can becorrected by using the Zero-adjustment screw ina range of ±3 percent.

5. For the Span adjustment, increase the inputsignal to 100 percent (20mA or 50mA).

6. Any deviation in the output pressure (e.g., 15 psigfor a 3-15 psig unit or 3 psig for a 15-3 psig unit),can be corrected by the Span potentiometer overthe range of ±1 percent.

7. Repeat steps 1 through 6 (as applicable) until nofurther adjustments are required.

IPTPage 11

Installation

Installation of the IPT is divided into three phases:mounting, electrical connections, and pneumaticconnections. In most cases, it is easier to mount theIPT before completing the electrical and pneumaticconnections.

Mounting

Individual IPTs consist of two parts: the transmitterand the mounting block. Units without a mountingblock snap onto a header. IPTs with a mountingblock are rail mounted. When mounting the IPT,ensure that the unit is mounted in an area free ofdust, moisture, and corrosive elements. Figure 4shows the mounting dimensions for both mountingstyles.

CAUTIONIt is recommended that mounting blocks and

headers be purged of any debris prior tomounting the IPT. Insert a small diameter,

blunt tip probe into the fitting and unseat theball-check valves for a few minutes with thefiltered instrument air supply in operation.

Rack- or surface-mounted IPTs should be orderedwith a Moore Industries' rack-mounted header (RIR)or a surface-mounted header (SIR). This eliminatesthe need for an interlocking mounting block and rail.5, 10 or 15 units can be snapped onto one header,allowing multiple units to receive supply air from onesupply pipe. To mount an IPT onto a header, pushthe unit into place until the retaining lever snaps upflush beneath the handle. To remove an IPT, pressdown on the retaining lever and lift the unit out by thehandle.

NOTECheck valves in the headers prevent the loss ofsupply or output air during mounting or removal

of IPTs.

Rail-mounted IPTs must use a pneumatic mountingblock. Pneumatic mounting blocks are 1.39 incheswide. Using a 0.17 inch wide gage between blocksprovides a uniform spacing in a minimum rail length.

Electrical Connections

There are two terminals on the IPT for connectinginput current. The connections can be front accessor rear access.

Both the front and rear access electrical terminals arecompression screw sockets that accept 22 to 14AWG hookup wire. To complete these connections,use a slotted screwdriver with a head approximately0.125 inch (3mm) in width to secure the wire leads tothe IPT. The screws tighten down, which provideselectrical contact between the wire and the terminal.Loosen each screw prior to inserting the wire beingterminated. Strip and then tin the end of each wirewith 60/40 solder. Then, while holding the uninsu-lated end of the wire in place, tighten the screw of thecorresponding terminal.

The Removable Terminal Block (RTB) option adds a2-piece wire connector to the IPT. This alows theinput wiring to be unplugged without the use of tools,while maintaining polarity. The plug has screw-clampconnections and accepts 22 to 14 AWG wire. Thewire should be stripped 0.5 inch (12.7mm).

Pneumatic Connections

Supply air must be clean, dry instrument air. It isrecommended that all particles larger than 1 micronbe removed. Use of 1/4 inch tubing allows sufficientair for one unit. When using RIR or SIR headers, upto 30 IPTs may be run from a 3/4 inch NPT pipewithout degrading performance, provided the airsupply pressure is sufficient. Output tubing should be1/4 inch, though larger tubing may be desirable forexceptionally long runs. Purge the output tubing andthe controlled device before connecting to the IPT orRIR/SIR.

CAUTIONOutput air cycles back through the IPT.

Contamination in the output line orcontrolled device may easily enter and

damage the IPT.

IPTPage 14

3. Without pulling the wires loose on the printedcircuit board attached to the front panel, slide outthe front panel.

4. Remove the screw on the bottom of the frontpanel to free the printed circuit board.

5. Insert a blade screwdriver between the rear paneland the IPT. Separate the rear panel from theIPT.

6. Squeeze and slide back the clamp from thetubing barb and pull the tubing from the tubingbarb (only on units with optional test jacks).

To access the orifices in the IPT, remove the bottommounting screw and the two screws at the rear of theunit. The orifices are located in the subassembly.See figure 6.

CAUTIONUse care not to damage the rubber

gaskets between the subassemblies.

Clean the orifices with a 0.004 - 0.005 inch diametersteel wire. Push the wire through the hole. Refer tofigure 7 for orifice locations.

Maintenance

Because instrument air continuously flows throughIPT passageways, the air lines must be kept clean.Depending on the purity of the air supply, the filterand two internal orifices of the IPT assembly must becleaned at regular intervals to maintain specifiedperformance. The two orifices should be cleaned atleast once a year. Initial random checks can helpestablish a satisfactory maintenance interval gearedto the user's air supply purity.

The supply air filter screen should be removed andflushed with trichloroethance (TCE) and then air driedbefore replacement.

1. Remove the IPT from the mounting block bypressing down on the locking lever and pullingstraight out to disengage the pneumatic fittings.

2. To remove the supply air filter screen, first slidethe nozzle retainer clip to the right and then pullthe nozzle out of the main body.

3. Remove the filter screen and flush with TCE andair dry before reinstalling.

4. Slide the nozzle back into the main body.

To clean its orifices, the IPT assembly must beremoved from the extruded aluminum case. Toremove the assembly, proceed as follows:

1. Remove the 6 screws securing the right sidecover and remove the cover.

2. Remove the bottom 4 screws securing the leftside cover and remove the cover. Turn the unitover. The test point connector and the test pointjack are now free.

IPTPage 17

Troubleshooting

Many components of the IPT have been thermallyaged, tested, and selected using a computer-aideddesign program. This usually makes field repairunnecessary. It is therefore recommended that anyunit found to be performing below specifications bereturned to the factory in accordance with the instruc-tions found on the back cover of this manual.

If a problem is suspected with the IPT, review thefollowing steps:

1. Make sure that all connections are clean andtight.

2. Verify that bench instruments used to takemeasurements have the proper range andaccuracy and are currently certified.

3. Check that the bleed-air port (located in a slot onthe left side panel) is not restricted.

4. Using a test jumper, connect one end to the metalcase and the other end to an "IN" terminal whileobserving the output pressure. The outputpressure should not change.

5. If a change in the relationship between the inputand the output occurs, try to correct it by readjust-ing the Zero and Span controls.

6. If the response time lengthens or if the spandrops, this may indicate a blockage due to airsupply contamination. Clean the orifices and thesupply air filter as described in the Maintenancesection.

Drawings

The current revision of the IPT schematic is shown infigure 8.

IPT SupplementPage S-1

The Interface Solution Experts

This supplement contains information about the IPTwith the -EPS option. If your unit does not have thisoption, please disregard this supplement.

The specifications and ordering information for theIPT with the -EPS option are shown below.

Figure 1. IPT Step Response

Specifications subject to change

Figure 2. IPT Air Capacity

4 8 12 16 20 24 28 32 36

1

2

3

4

7 PSIG

15 PSIG

30 PSIG

OUTPUT AT 100%(PSIG)

AIR CAPACITY(SCFM)

P/N 170-730-01 A

50 100 150 200 250 300 350

13

3

5

7

9

11PSIG

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IPT SupplementPage S-2

The Interface Solution Experts

Table S-1. Access Designations

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To return equipment to Moore Industries for repair, follow these four steps:

1. Call Moore Industries and request a Returned Material Authorization (RMA) number.

Warranty Repair –If you are unsure if your unit is still under warranty, we can use the unit’s serial numberto verify the warranty status for you over the phone. Be sure to include the RMAnumber on all documentation.

Non-Warranty Repair –If your unit is out of warranty, be prepared to give us a Purchase Order number whenyou call. In most cases, we will be able to quote you the repair costs at that time.The repair price you are quoted will be a “Not To Exceed” price, which means that theactual repair costs may be less than the quote. Be sure to include the RMA number onall documentation.

2. Provide us with the following documentation:

a) A note listing the symptoms that indicate the unit needs repairb) Complete shipping information for return of the equipment after repair

c) The name and phone number of the person to contact if questions arise at the factory

3. Use sufficient packing material and carefully pack the equipment in a sturdy shippingcontainer.

4. Ship the equipment to the Moore Industries location nearest you.

The returned equipment will be inspected and tested at the factory. A Moore Industriesrepresentative will contact the person designated on your documentation if more information isneeded. The repaired equipment, or its replacement, will be returned to you in accordance withthe shipping instructions furnished in your documentation.

WARRANTY DISCLAIMERTHE COMPANY MAKES NO EXPRESS, IMPLIED OR STATUTORY WARRAN-TIES (INCLUDING ANY WARRANTY OF MERCHANTABILITY OR OF FITNESSFOR A PARTICULAR PURPOSE) WITH RESPECT TO ANY GOODS OR SER-VICES SOLD BY THE COMPANY. THE COMPANY DISCLAIMS ALL WARRAN-TIES ARISING FROM ANY COURSE OF DEALING OR TRADE USAGE, ANDANY BUYER OF GOODS OR SERVICES FROM THE COMPANY ACKNOWL-EDGES THAT THERE ARE NO WARRANTIES IMPLIED BY CUSTOM ORUSAGE IN THE TRADE OF THE BUYER AND OF THE COMPANY, AND THATANY PRIOR DEALINGS OF THE BUYER WITH THE COMPANY DO NOT IM-PLY THAT THE COMPANY WARRANTS THE GOODS OR SERVICES IN ANYWAY.

ANY BUYER OF GOODS OR SERVICES FROM THE COMPANY AGREESWITH THE COMPANY THAT THE SOLE AND EXCLUSIVE REMEDIES FORBREACH OF ANY WARRANTY CONCERNING THE GOODS OR SERVICESSHALL BE FOR THE COMPANY, AT ITS OPTION, TO REPAIR OR REPLACETHE GOODS OR SERVICES OR REFUND THE PURCHASE PRICE. THECOMPANY SHALL IN NO EVENT BE LIABLE FOR ANY CONSEQUENTIAL ORINCIDENTAL DAMAGES EVEN IF THE COMPANY FAILS IN ANY ATTEMPTTO REMEDY DEFECTS IN THE GOODS OR SERVICES , BUT IN SUCH CASETHE BUYER SHALL BE ENTITLED TO NO MORE THAN A REFUND OF ALLMONIES PAID TO THE COMPANY BY THE BUYER FOR PURCHASE OF THEGOODS OR SERVICES.

RETURN PROCEDURES

ANY CAUSE OF ACTION FOR BREACH OF ANY WARRANTY BY THECOMPANY SHALL BE BARRED UNLESS THE COMPANY RECEIVESFROM THE BUYER A WRITTEN NOTICE OF THE ALLEGED DEFECT ORBREACH WITHIN TEN DAYS FROM THE EARLIEST DATE ON WHICH THEBUYER COULD REASONABLY HAVE DISCOVERED THE ALLEGED DE-FECT OR BREACH, AND NO ACTION FOR THE BREACH OF ANY WAR-RANTY SHALL BE COMMENCED BY THE BUYER ANY LATER THANTWELVE MONTHS FROM THE EARLIEST DATE ON WHICH THE BUYERCOULD REASONABLY HAVE DISCOVERED THE ALLEGED DEFECT ORBREACH.

RETURN POLICYFor a period of thirty-six (36) months from the date of shipment, and undernormal conditions of use and service, Moore Industries ("The Company") willat its option replace, repair or refund the purchase price for any of its manu-factured products found, upon return to the Company (transportation chargesprepaid and otherwise in accordance with the return procedures establishedby The Company), to be defective in material or workmanship. This policyextends to the original Buyer only and not to Buyer's customers or the usersof Buyer's products, unless Buyer is an engineering contractor in which casethe policy shall extend to Buyer's immediate customer only. This policy shallnot apply if the product has been subject to alteration, misuse, accident, ne-glect or improper application, installation, or operation. THE COMPANYSHALL IN NO EVENT BE LIABLE FOR ANY INCIDENTAL OR CONSE-QUENTIAL DAMAGES.

United States • info@miinet.comTel: (818) 894-7111 • FAX: (818) 891-2816

Australia • sales@mooreind.com.auTel: (02) 8536-7200 • FAX: (02) 9525-7296

Belgium • info@mooreind.beTel: 03/448.10.18 • FAX: 03/440.17.97

The Netherlands • sales@mooreind.nlTel: (0)344-617971 • FAX: (0)344-615920

China • sales@mooreind.sh.cnTel: 86-21-62491499 • FAX: 86-21-62490635

United Kingdom • sales@mooreind.comTel: 01293 514488 • FAX: 01293 536852

Specifications and Information subject to change without notice.© 2006 Moore Industries-International, Inc.