• Dwyer 668 Differential Pressure Transmitter

Dwyer 668 Differential Pressure Transmitter

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Dwyer Instruments

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Rp.9.803.600
Availability:
2 - 4 WEEKS
Product Code:
668
Brand:
Dwyer Instruments
Update Terakhir:
03 Jul 2023
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The Dwyer 668 Differential Pressure Transmitter is capable of measuring low pressures with a ±1% accuracy. It is 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.

  • Air and non-conductive gases
  • ±1% FS accuracy
  • Operating temp: 0 to 150°F
  • 10 psig over pressure
  • 4 to 20 mA, 2-wire output
  • 3/16in OD fitting for 1/4in ID tubing pressure connection
  • Applications:
  • Variable air volume systems
  • HVAC
  • Building management

  • 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°), 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 ± 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.

  • (1) 668 Differential Pressure Transmitter
  • (1) Instruction Manual

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