1. www.hvac.vn 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.

2. www.hvac.vn Overview TPT 628CR 626/628

3. www.hvac.vn 626/628 - Introduction Oil filled piezoresistive sensor Designed for OEM and industrial applications All 316L SS wetted material, no gaskets Pressure ranges from 0.5Bar to 550Bar

4. www.hvac.vn 626/628 - Key Specifications Accuracy: ±0.25% FS (626); ±1% FS (628) Enclosure: General Purpose or Conduit Temperature Limits: -18 to 85ºC Output Signal: 4 to 20 mA, 0-5, 1-5, 1-6, 0-10, 0.5-4.5 VDC Process Connections: NPT, BSPT, SAE Electrical Connections: DIN, Conduit, M12, Packard Agency Approvals: CE and FM (for Fire Pump applications)

5. www.hvac.vn 626/628 – Features Rugged IP66, 316L stainless steel construction. Highly reliable piezoresistive technology. Multiple configurations to fit individual customer’s requirements General purpose or conduit enclosure available. LED pressure display available with conduit enclosure.

6. www.hvac.vn 628CR - Introduction Thick film ceramic sensing element Stainless Steel IP66 enclosure 4-20mA signal output Ranges from 2.5Bar to 40Bar

7. www.hvac.vn 628CR - Key Specifications Accuracy: ±1% FS Temperature Limits: -18 to 85ºC Process Connections: ¼” male NPT or BSPT Electrical Connection: Cable or DIN Wetted Materials: Ceramic, fluoroelastomer, 316L SS Agency Approvals: CE

8. www.hvac.vn 628CR - Features Economic ceramic sensor Durable IP66 enclosure Designed to meet or exceed OEM specifications Optional NIST traceable certificate Can be mounted in any orientation

9. www.hvac.vn TPT - Introduction Silicon piezoresistive sensor technology Ranges from 6.8 to 344 Bar 4 to 20 mA or Ratiometric output Stainless Steel IP66 enclosure

10. www.hvac.vn TPT - Key Specifications Accuracy: ±1% FS (RMS) Temperature Limits: -20 to 85ºC Output Signal: 4 to 20 mA or 0.5 to 4.5 VDC Process Connections: ¼” male NPT Electrical Connection: Packard Wetted Materials: 17-4PH SS

11. www.hvac.vn 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 vibration Can withstand 2x span proof pressure and 3x span bust pressure.

12. www.hvac.vn Applications 626/628 Compressors Pumping systems Irrigation Equipment Hydraulic Industrial process monitoring 628CR Compressors Pumping Systems Irrigation Equipment HVAC Pneumatic systems TPT same 624 Injection molding Automotive test systems Refrigeration monitoring New Magnehelic Accessories Irrigation System Manufacturers Used to modulate Variable Frequency Drives (VFD) for constant water pressure

13. www.hvac.vn Applications 626/628 Compressors Pumping systems Irrigation Equipment Hydraulic Industrial process monitoring 628CR Compressors Pumping Systems Irrigation Equipment HVAC Pneumatic systems TPT same 624 Injection molding Automotive test systems Refrigeration monitoring New Magnehelic Accessories Compressed Air Systems Monitors downstream pressure, provides input to VFD and maintain set point

14. www.hvac.vn Applications 626/628 Compressors Pumping systems Irrigation Equipment Hydraulic Industrial process monitoring 628CR Compressors Pumping Systems Irrigation Equipment HVAC Pneumatic systems TPT same 624 Injection molding Automotive test systems Refrigeration monitoring New Magnehelic Accessories Automotive test systems Monitors exhaust and air intake pressures for data collection

15. www.hvac.vn Applications 626/628 Compressors Pumping systems Irrigation Equipment Hydraulic Industrial process monitoring 628CR Compressors Pumping Systems Irrigation Equipment HVAC Pneumatic systems TPT same 624 Injection molding Automotive test systems Refrigeration monitoring New Magnehelic Accessories Injection Molding Nozzle and mold pressure monitoring

16. www.hvac.vn Application Reverse Osmosis Pressure Transmitters used for VFD control Also used for diagnostics of filter membrane & initial backwash

17. www.hvac.vn Application Ready Mix/Construction Vehicles Remote indication of drum hydraulic pressure