Series
676
Duct Pressure Transmitter
±1% FS Accuracy, NEMA 4 (IP56) Enclosure, Three Field Selectable Ranges

Dimensional Enlargement


Lower installation costs with the Series 676 Duct Pressure Transmitter. The Series 676 Transmitter incorporates a presure sensor and a static pressure tip into a single unit, eliminating the need for costly control panels and reducing installation time. Each transmitter has three (3) field selectable pressure ranges.
A micro-machined glass-on silicon capacitance sensor provides a high level, fully conditioned and temperature compensated 4-20mA output. Rugged NEMA 4 (IP56) enclosure with gasketed cover protects the electronics and sensing element from condensation, corrosion and dust. Units also feature shore circuit and reverse polarity protection.
PHYSICAL DATA

GENERAL

     Media Compatibility: Clean dry air or any inert gas.

     Accuracy: ±1% FS (includes non-linearity, hysteresis, and non-repeatability).

     Overpressure: 10 psid.

     Output: 4-20mA, 2-wire.

     Supply Voltage: 12-40 VDC.

     Loop Resistence: 3000 Ohms max @ 40 VDC

     Stability: Less than 1% FS/year.

     Operating Temperature Range: 0 to 175°F (-18 to 80°C).

     Operating Relative Humidity: 10 to 90% RH, non condensing.

     Compensated Temperature Range: 25 to 150°F (-4 to 65°C).

     Thermal Errors: ±0.0125% F(0.02%/C).

     Response Time: 60 msec.

     Zero and Span Adjustment: ±15%, non-interactive.

     Wetted Parts: Aluminum alloy and nylon.

     Enclosure: Cold-Rolled Steel, NEMA 4 (IP56).

     Electrical Connections: Unpluggable screw terminal block.

     Conduit Connection: 1/2". (22.3 mm) knockout.

     Weight: 1.0 lbs. (.45 kg).

 

STOCKED MODELS
Model
Number
Range (inches w.c)
676-11 0 to 5.0, 0 to 2.5, 0 to 1.25
676-21 0 to 15.0, 0 to 7.5, 0 to 3.75