Dwyer Differential Pressure Transmitter – 677B Series, Unidirectional

Item # 677BU-DWYER Brand: Dwyer Instruments

$385.00

NEMA 4 Enclosure with Integral Mounting Bracket.

Free Shipping for qualifying carts over $149+

Web Exclusive - Available online only

NEMA
Visa, MasterCard, Discover, American Express, PayPal | TrustPilot | SSL Secure

SERIES 677B Differential Pressure Transmitters are designed to measure pressures as low as 0.1 in w.c. with +/- 0.4% accuracy. Use Series 677B for building energy management systems, environmental pollution control, oven pressurization, lab and fume hood control, HVAC and VAV applications.

The transmitter features 15 psid overpressure, reverse polarity protection and EMI/RFI protection. Internal regulation permits use with unregulated DC power supplies. The NEMA 4 housing allows for versatile mounting locations and integral mounting tabs simplify installation.

Features:

  • Pressure Rating: 15 PSI
  • Temp Rating: 0 – 185 F
  • Process Connections: 3/16″ OD barbed brass pressure fitting
  • Voltage: 16 to 32 VDC
  • Output Signal: 4 to 20 mA DC 2-wire
  • Zero and Span Adjustments: Potentiometers

Applications: Building energy management; Environmental pollution control; Lab and fume hood control; Variable air volume.

Additional information

Brand Dwyer Instruments
Weight N/A
Item Type

Protection

Range in w.c.

, , , , , , ,

Rating

Accuracy

Item #Description
677B-01Range in w.c.: 0-0.1"
677B-02Range in w.c.: 0-0.25"
677B-03Range in w.c.: 0-0.5"
677B-04Range in w.c.: 0-1"
677B-05Range in w.c.: 0-2.5"
677B-06Range in w.c.: 0-5"
677B-07Range in w.c.: 0-10"
677B-08Range in w.c.: 0-25"