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DWYER 668 differential pressure transmitter

Our low cost Series 668 Differential Pressure Transmitter is capable of measuring low pressures with a ±1% accuracy – ideally suited for proper building pressurization and air flow control. Transmitters can withstand up to 10 psig overpressure with no damage to the unit. Variable capacitance sensor design provides excellent sensitivity and long-term stability. Compact, lightweight design makes installation simple and easy. Units also feature reverse-polarity protection

			
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Made in USA. brand DWYER, model 668

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

Retail price from $240.1

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 668

PRODUCT APPLICATIONS

  • Variable air volume systems
  • HVAC
  • Building management

FEATURES

  • Good accuracy at low pressure ranges provides exceptional value for ensuring control and minimizing costly out of specification conditions
  • High overpressure rating eliminates possible damage to unit reducing unnecessary service time

Technical specifications of DWYER 668

  • Service: Air and non-conductive gases.
  • Accuracy: ±1% FS (RSS), (includes non-linearity, hysteresis, and non-repeatability).
  • Temperature Limits: Operating: 0 to 150°F (-18 to 65°C), Storage: -40 to 185°F (-40 to 85°C).
  • Pressure Limits: 10 psig (0.69 bar).
  • Compensated Temperature Range: 0 to 150°F (-18 to 65°C).
  • Thermal Effects: 0.033% FS/°F (0.18% FS/°C).
  • Supply Voltage: 12 to 30 VDC.
  • Output: 4 to 20 mA, 2-wire.
  • Zero and Span Adjustment: ±1 mA, non-interactive.
  • Response Time: <60 msec.
  • Loop Resistance: 0 to 800 Ω.
  • Electrical Connection: Terminal strip.
  • Pressure Connection: 3/16″ OD fitting for 1/4″ ID tubing.
  • Housing: Fire retardant glass filled polyester.
  • Weight: 3 oz (85 g).
  • Agency Approval: CE.

How to buy DWYER 668

Model Description Price
668-1 Differential pressure transmitter, range 0-0.25″ w.c.
$240.10
668-10 Differential pressure transmitter, bi-directional, range 0 to ±0.1″ w.c.
$240.10
668-11 Differential pressure transmitter, bi-directional, range 0 to ±0.25″ w.c.
$240.10
668-12 Differential pressure transmitter, bi-directional, range 0 to ±0.5″ w.c.
$240.10
668-13 Differential pressure transmitter, bi-directional, range 0 to ±1″ w.c.
$240.10
668-14 Differential pressure transmitter, bi-directional, range 0 to ±2.5″ w.c.
$240.10
668-15 Differential pressure transmitter, bi-directional, range 0 to ±5″ w.c.
$240.10
668-16 Differential pressure transmitter, bi-directional, range 0 to ±10″ w.c.
$240.10
668-17 Differential pressure transmitter, bi-directional, range 0 to ±25″ w.c.
$240.10
668-18 Differential pressure transmitter, bi-directional, range 0 to ±50″ w.c.
$240.10
668-19 Differential pressure transmitter, range 0-0.4″ w.c.
$240.10
668-2 Differential pressure transmitter, range 0-0.5″ w.c.
$240.10
668-20 Differential pressure transmitter, bi-directional, range -0.05 to .20″ w.c.
$240.10
668-3 Differential pressure transmitter, range 0-1.0″ w.c.
$240.10
668-4 Differential pressure transmitter, range 0-2.5″ w.c.
$240.10
668-5 Differential pressure transmitter, range 0-5.0″ w.c.
$240.10
668-6 Differential pressure transmitter, range 0-10″ w.c.
$240.10
668-7 Differential pressure transmitter, range 0-25″ w.c.
$240.10
668-8 Differential pressure transmitter, range 0-50″ w.c.
$240.10
668-9 Differential pressure transmitter, range 0-100″ w.c.
$240.10
668C-1 Differential pressure transmitter with conduit cover, range 0-0.25″ w.c.
$269.85
668C-10 Differential pressure transmitter with conduit cover, range 0 to ±0.1″ w.c.
$269.85
668C-11 Differential pressure transmitter with conduit cover, range 0 to ±0.25″ w.c.
$269.85
668C-12 Differential pressure transmitter with conduit cover, range 0 to ±0.5″ w.c.
$269.85
668C-14 Differential pressure transmitter with conduit cover, range 0 to ±2.5″ w.c.
$269.85
668C-15 Differential pressure transmitter with conduit cover, range 0 to ±5″ w.c.
$269.85
668C-16 Differential pressure transmitter with conduit cover, range 0 to ±10″ w.c.
$269.85
668C-17 Differential pressure transmitter with conduit cover, range 0 to ±25″ w.c.
$269.85
668C-18 Differential pressure transmitter with conduit cover, range 0 to ±50″ w.c.
$269.85
668C-2 Differential pressure transmitter with conduit cover, range 0-0.5″ w.c.
$269.85
668C-3 Differential pressure transmitter with conduit cover, range 0-1.0″ w.c.
$269.85
668C-4 Differential pressure transmitter with conduit cover, range 0-2.5″ w.c.
$269.85
668C-5 Differential pressure transmitter with conduit cover, range 0-5.0″ w.c.
$269.85
668C-6 Differential pressure transmitter with conduit cover, range 0-10″ w.c.
$269.85
668C-7 Differential pressure transmitter with conduit cover, range 0-25″ w.c.
$269.85
668C-8 Differential pressure transmitter with conduit cover, range 0-50″ w.c.
$269.85
668C-9 Differential pressure transmitter with conduit cover, range 0-100″ w.c.
$269.85
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Accessories for DWYER 668

Model Description Price
A-489 4″ 303 SS straight static pressure tip with flange, 1/4″ hose barb.
$9.50
NISTCAL-PT1 NIST traceable calibration certificate for pressure transmitters. NOTE: EQUAL CERTS WILL BE CHARGED PER UNITS PURCHASED.
$190.00
A-302F-A 303 SS Static pressure tip with mounting flange, for 3/16″ I.D. rubber or plastic tubing. 4″ insertion depth, includes mounting screws
$12.40
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User Guide and Instruction manual for DWYER 668

You can request the necessary certificates, documentation, instructions and user manuals for DWYER 668 using the special form.

You can buy DWYER 668 in UK or Europe at a price starting from 240.1 $ in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . DWYER 668 price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.