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The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.
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Pressure Transmitters
The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific,
written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.
Overview
TPT628CR
626/628
626/628 - Introduction
Oil filled piezoresistive sensorDesigned for OEM and industrial applicationsAll 316L SS wetted material, no gasketsPressure ranges from 0.5Bar to 550Bar
626/628 - Key Specifications
Accuracy: ±0.25% FS (626); ±1% FS (628)Enclosure: General Purpose or ConduitTemperature Limits: -18 to 85ºC Output Signal: 4 to 20 mA, 0-5, 1-5, 1-6, 0-10, 0.5-4.5 VDCProcess Connections: NPT, BSPT, SAEElectrical Connections: DIN, Conduit, M12, PackardAgency Approvals: CE and FM (for Fire Pump applications)
626/628 – Features
Rugged IP66, 316L stainless steel construction.Highly reliable piezoresistive technology.Multiple configurations to fit individual customer’s requirementsGeneral purpose or conduit enclosure available.LED pressure display available with conduit enclosure.
628CR - Introduction
Thick film ceramic sensing elementStainless Steel IP66 enclosure4-20mA signal outputRanges from 2.5Bar to 40Bar
628CR - Key Specifications
Accuracy: ±1% FS Temperature Limits: -18 to 85ºC Process Connections: ¼” male NPT or BSPTElectrical Connection: Cable or DIN Wetted Materials: Ceramic, fluoroelastomer, 316L SSAgency Approvals: CE
628CR - Features
Economic ceramic sensorDurable IP66 enclosureDesigned to meet or exceed OEM specificationsOptional NIST traceable certificate Can be mounted in any orientation
TPT - Introduction
Silicon piezoresistive sensor technologyRanges from 6.8 to 344 Bar4 to 20 mA or Ratiometric outputStainless Steel IP66 enclosure
TPT - Key Specifications
Accuracy: ±1% FS (RMS)Temperature Limits: -20 to 85ºC Output Signal: 4 to 20 mA or 0.5 to 4.5 VDCProcess Connections: ¼” male NPT Electrical Connection: PackardWetted Materials: 17-4PH SS
TPT - Features
Pressure connection is machined from a solid piece of 17-4PH Stainless Steel. No welds or O-rings. Designed for applications with high shock and vibrationCan withstand 2x span proof pressure and 3x span bust pressure.
Applications
Irrigation System ManufacturersUsed to modulate Variable Frequency Drives (VFD) for constant water pressure
Applications
Compressed Air SystemsMonitors downstream pressure, provides input to VFD and maintain set point
Applications
Automotive test systemsMonitors exhaust and air intake pressures for data collection
Applications
Injection Molding Nozzle and mold pressure monitoring
Application
Reverse OsmosisPressure Transmitters used for VFD controlAlso used for diagnostics of filter membrane & initial backwash
Application
Ready Mix/Construction VehiclesRemote indication of drum hydraulic pressure