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DWYER 648B/648C differential pressure transmitter

The Series 648B and 648C Differential Pressure Transmitters are designed to be used with clean, dry air and other non-corrosive gases. Each unit features a push-activated zero function and an associated LED light indicator. With the convenient push-button, zero calibration can be performed without any additional equipment, which significantly reduces time and cost for users. The dual color LED indicates if the transmitter is at normal operation, overpressure, or in the process of zero calibration. The enclosure consists of a flame retardant plastic top cover and a stainless steel bottom plate for ruggedness. The pressure ranges vary from 0.1 in w.c. to 25 in w.c. unidirectional and 0.25 in w.c. to 5 in w.c. bidirectional. Series 648B comes standard with ±0.8% FS* accuracy, while 648C models are available in ±0.4% FS* accuracy for more demanding applications. Wiring time is reduced with the removeable terminal block. Each unit features a 2-wire 4 to 20 mA output that is fully protected against short circuiting and incorrect wiring.

			
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Made in USA. brand DWYER, model 648B/648C

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

Retail price from $275.55

Available

Available

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

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Only the best I&C brands

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

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Discounts for organisations

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

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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

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

Description of DWYER 648B/648C

Calibration Option available under Accessories.

OPTIONS

Note: To order unit with ±0.4% FS* accuracy, change B to C in model number.
Ex. 648C-01

Technical specifications of DWYER 648B/648C

  • Service: Air and non-combustible, compatible gases.
  • Wetted Materials: 302 SS, glass, nickel, silicon rubber, polyethylene, acrylic, ABS and brass.
  • Accuracy: 648B: ±0.8% FS* at room temperature; 648C: ±0.4% FS* at room temperature. *RSS (Root Sum Square) includes non-linearity, hysteresis and non-repeatability.
  • Stability: ±1% FS/yr.
  • Temperature Limits: Operating: 0 to 170°F (-18 to 77°C); Storage: -65 to 185°F (-54 to 85°C).
  • Pressure Limits: 15 psi (100 kPa) proof pressure; 30 psi (200 kPa) burst pressure.
  • Thermal Effects: 648B: ±0.025% FS/°F (0.045%/°C); 648C: ±0.020% FS/°F (0.036%/°C).
  • Power Requirements: 13 to 32 VDC.
  • Output Signal: 4 to 20 mA.
  • Zero and Span Adjustments: Push-button for zero, potentiometer for span.
  • Response Time: Approximately 10 ms.
  • Max. Loop Resistance: DC: 0 to 950 Ω.
  • Electrical Connection: Detachable euro-style terminal block.
  • Process Connections: 3/16″ OD barbed fitting for 1/8″ ID push-on tubing.
  • Housing: SS and PC+ABS alloy.
  • Weight: 3.8 oz (108 g).

How to buy DWYER 648B/648C

Model Description Price
648B-01 Differential Pressure Transmitter, 0 to .1″ w.c.
$276.35
648B-02 Differential Pressure Transmitter, 0 to .25″ w.c.
$276.35
648B-03 Differential Pressure Transmitter, 0 to .5″ w.c.
$276.35
648B-04 Differential Pressure Transmitter, 0 to 1″ w.c.
$275.55
648B-05 Differential Pressure Transmitter, 0 to 2.5″ w.c.
$276.35
648B-06 Differential Pressure Transmitter, 0 to 5″ w.c.
$291.05
648B-07 Differential Pressure Transmitter, 0 to 10″ w.c.
$275.55
648B-08 Differential Pressure Transmitter, 0 to 25″ w.c.
$291.05
648B-13 Differential Pressure Transmitter, zero center range -.25-0-.25″ w.c.
$276.35
648B-14 Differential Pressure Transmitter, zero center range -.5-0-.5″ w.c.
$291.05
648B-15 Differential Pressure Transmitter, zero center range -1-0-1″ w.c.
$276.35
648B-16 Differential Pressure Transmitter, zero center range -2.5-0-2.5″ w.c.
$275.55
648B-17 Differential Pressure Transmitter, zero center range -5-0-5″ w.c.
$275.55
648C-01 Differential Pressure Transmitter, 0 to .1″ w.c.
$330.15
648C-02 Differential Pressure Transmitter, 0 to .25″ w.c.
$330.15
648C-03 Differential Pressure Transmitter, 0 to .5″ w.c.
$330.15
648C-04 Differential Pressure Transmitter, range 0-1″ w.c.
$330.15
648C-05 Differential Pressure Transmitter, range 0-2.5″ w.c.
$330.15
648C-07 Differential Pressure Transmitter, 0 to 10″ w.c.
$330.15
648C-08 Differential Pressure Transmitter, 0 to 25″ w.c.
$330.15
648C-13 Differential Pressure Transmitter, zero center range -.25-0-.25″ w.c.
$330.15
648C-16 Differential Pressure Transmitter, zero center range -2.5-0-2.5″ w.c.
$330.15
648C-17 Differential Pressure Transmitter, zero center range -5-0-5″ w.c.
$330.15

Accessories for DWYER 648B/648C

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 648B/648C

You can request the necessary certificates, documentation, instructions and user manuals for DWYER 648B/648C using the special form.

You can buy DWYER 648B/648C in UK or Europe at a price starting from 275.55 $ in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . DWYER 648B/648C price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.