Pirani Gauge with Nickel Filament

APN 2004

The adixen Pirani gauge APN2004 with the standardTungsten filament is a reliableand cost effective solution forgeneral industral vacuumapplications and also inresearch and development.

Certain applications require afilament with improvedresistance against corrosivegases. To address theseapplications adixen offers anew active Pirani gauge, theAPN 2004.

APPLICATIONS

The APN 2004 is the bestchoice in all vacuumapplications where the accuracyof a Pirani gauge is requiredbut a Tungsten filament willsuffer from corrosive gases orprocess by-product.

• Industrial drying processes -outgassing of monomers ortraces of acids

• Freeze drying - high watervapour content

• Sterilization - water vapour athigh temperatures, Hydrogenperoxide

• Reactive sputtering - Oxygenplasma

• Fabrication of nano -structures - Silicon and Carbonchemistry

PRODUCT BENEFITS

The APN 2004 is equipped witha filament made of Nickel (Ni)instead of the standardTungsten (W) filament used onthe AP 2004.

• Improved resistance inatmospheres with corrosivegases (except with highconcentrations of Cl and F)

• Considerably longer filamentlifetime in high water vapourenvironments

• Withstands sterilizationprocesses in medical andpharmaceutical applications

• Can replace AP 2004 withoutmodification of circuitry,including setpoints

• Fully integrated into the Series2000 vacuum gauges family

Adixen by Alcatel Vacuum Technology

IMPROVED RESISTANCE TO CORROSIVE GASES AND WATER VAPOUR

Publication: Alcatel Vacuum Technology - Part Number 791662 - 03/2009 - All information can be modified without prior notice.

Measurement principle thermal conduction

Measurement range 5·10-4 - 1000 mbar

Accuracy 15 % of reading

Repeatability 2 % of reading

VACUUM MEASUREMENT

ORDERING INFORMATION APN 2004

Power supply

Voltage

Consumption max.

24 VDC (14 - 30 VDC)(tolerance ripple : below 2 Vp-p)

< 1 W

Analog output signal

Measurement range

Pressure signal

Error Signal

Minimum load

Cable length max.

Type of protection

2.2 V - 8.5 V

logarithmic 1 V / decade

< 0.1 V or = 0.4 V

100 kΩ

200 m (0.34 mm² )

IP40

ELECTRICAL SPECIFICATIONS

Set points

Dry contacts (2) 1 A 30 VDC

Temperature

Storage

Operation

Bakeout

Bakeout with high temp. O-Ring

- 20 °C / +70 °C

+5 °C / +60 °C

< 150 °C (without electronics)

< 300 °C (without electronics)

ENVIRONMENTAL SPECIFICATIONS

Pressure max. 10 bar*

DN 16 ISO KF, Output 0 - 10 V with 2 set-points 115 244

Compatible Controllers

ACS 2000 single channel controller with numerical display

ACM 2000 triple channel controller with graphical display

Measuring cable 5 m -10 m - 20 m

112711

112712

112751 – 112752 - 112753

Accessories

Filter DN 16 ISO KF 20 µm 305225

COMPATIBLE CONTROLLERS

• Stainless steel SUS304, SUS316

• Nickel, Fe/Ni

• Al2O3

Materials in contact

with vacuum

ACS 2000 ACM 2000

Pirani Gauge with Nickel Filament

APN 2004

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