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DWYER 645 wet/wet differential pressure transmitter

Series 645 Wet/Wet Differential Pressure Transmitters are designed for use with compatible gases and liquids which can be applied to both the pressure and reference ports. Quick response capacitance sensor delivers a 4 to 20 mA output signal proportional to differential pressure with ±.25% accuracy. The Series 645 transmitters are ideal for process control, filter condition monitoring, refrigeration equipment, pump speed control, HVAC equipment, and liquid level measurement. For ease of installation and maintenance, order optional 3-valve manifold assembly. Bleed ports allow for total elimination of air in the line and pressure cavities.

			
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Made in USA. brand DWYER, model 645

International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.

price by request

Available

Available

Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.

Advantages

Only the best I&C brands

Our company is a global supplier of control and measuring instruments from well-known world brands

Advantages

Discounts for organisations

We sell high-tech equipment at very low prices. We provide really advantageous conditions for partners

Advantages

Fast delivery across the Europe & Asia

We take care of all logistics and customs clearance of I&C solutions from Europe, USA, China and India

Advantages

Professional advice on device selection

Our specialists are ready to advise you on any technical question. We can find an analogue of any device

Description of DWYER 645

PRODUCT APPLICATIONS

  • Process control
  • Filter monitoring
  • Refrigeration equipment
  • Pump speed control
  • HVAC equipment
  • Liquid level measurement

FEATURES

  • Versatile, high-accuracy device for liquid or gas supports designs requiring more precise measurements in support of application
  • Optional 3-way valve manifold supports simplifying installation or removal of transmitter without interrupting process

Technical specifications of DWYER 645

  • Service: Compatible gases or liquids on both pressure and reference sides.
  • Wetted Materials: 17-4 PH stainless steel, 300 Series stainless steel, fluoroelastomer and silicone O-rings and bleed screw seals.
  • Accuracy: ±0.25% FS (RSS).
  • Temperature Limits: Operating: 0 to 175°F (-22 to 80°C); Storage: -65 to 260°F (-54 to 126°C).
  • Pressure Limits: (High side) 1 to 5 psi: 20 x FS, 10 to 25 psi: 10 x FS, 50 psi: 5 x FS, 100 psi: 2.5 x FS; (low side) 2.5 x FS.
  • Thermal Effects: (includes zero and span) ±0.02% FS/°F, 30 to 150°F (-1 to 65°C).
  • Power Requirements: 11 to 30 VDC.
  • Output Signal: 4 to 20 mA, 2-wire.
  • Zero and Span Adjustments: Adjustable, ±1 mA, non-interactive.
  • Response Time: 30 to 50 ms.
  • Loop Resistance: 0 to 1000Ω.
  • Electrical Connection: Barrier strip terminal block with conduit enclosure and .875″ (22 mm) diameter conduit opening.
  • Process Connection: 1/4″-18 female NPT.
  • Housing: Stainless steel/aluminum, NEMA 4X (IP56).
  • Weight: 14.4 oz (0.4 kg).
  • Agency Approvals: CE.

3-Valve Manifold Assembly

  • Manifold: Brass.
  • Valve Type: 90° on/off.
  • Process Connection: 1/4″-18 female NPT.

How to buy DWYER 645

Model Description Price
645-0 Wet/wet differential pressure transmitter, range 0-1 psid.
$805.25
645-0-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range 0-1 psid.
$1,330.00
645-1 Wet/wet differential pressure transmitter, range 0-2 psid.
$805.25
645-10 Wet/wet differential pressure transmitter, range ±0.5 psid.
$805.25
645-11 Wet/wet differential pressure transmitter, range ±1 psid.
$805.25
645-12 Wet/wet differential pressure transmitter, range ±2.5 psid.
$805.25
645-12-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range ±2.5 psid.
$1,330.00
645-13 Wet/wet differential pressure transmitter, range ±5 psid.
$805.25
645-13-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range ±5 psid.
$1,330.00
645-1-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range 0-2 psid.
$1,330.00
645-14 Wet/wet differential pressure transmitter, range ±10 psid.
$805.25
645-14-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range ±10 psid.
$1,330.00
645-15 Wet/wet differential pressure transmitter, range ±25 psid.
$805.25
645-15-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range ±25 psid.
$1,330.00
645-16 Wet/wet differential pressure transmitter, range ±50 psid.
$805.25
645-16-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range ±50 psid.
$1,330.00
645-2 Wet/wet differential pressure transmitter, range 0-5 psid.
$805.25
645-2-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range 0-5 psid.
$1,330.00
645-3 Wet/wet differential pressure transmitter, range 0-10 psid.
$805.25
645-3-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range 0-10 psid.
$1,330.00
645-4 Wet/wet differential pressure transmitter, range 0-25 psid.
$805.25
645-4-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range 0-25 psid.
$1,330.00
645-5 Wet/wet differential pressure transmitter, range 0-50 psid.
$805.25
645-5-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range 0-50 psid.
$1,330.00
645-6 Wet/wet differential pressure transmitter, range 0-100 psid.
$805.25
645-6-3V Wet/wet differential pressure transmitter with 3-valve manifold assembly, range 0-100 psid.
$1,330.00

Accessories for DWYER 645

Model Description Price
NISTCAL-PT1 NIST traceable calibration certificate for pressure transmitters. NOTE: EQUAL CERTS WILL BE CHARGED PER UNITS PURCHASED.
$190.00

User Guide and Instruction manual for DWYER 645

You can request the necessary certificates, documentation, instructions and user manuals for DWYER 645 using the special form.

You can buy DWYER 645 in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . DWYER 645 price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.