Series 677B Differential Pressure Transmittersare 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 pollutioncontrol, oven pressurization, lab and fume hood control, HVAC and VAVapplications. The transmitter features 15 psid overpressure, reverse polarityprotection and EMI/RFI protection. Internal regulation permits use withunregulated DC power supplies. The NEMA 4 housing allows for versatile mountinglocations and integral mounting tabs simplify installation
| Model Number |
Description |
|---|---|
| 677B-01 | Range, 0-.1″ w.c. |
| 677B-02 | Range, 0-.25″ w.c. |
| 677B-03 | Range, 0-.5″ w.c. |
| 677B-04 | Range, 0-1″ w.c. |
| 677B-05 | Range, 0-2.5″ w.c. |
| 677B-06 | Range, 0-5″ w.c. |
| 677B-07 | Range, 0-10″ w.c. |
| 677B-08 | Range, 0-25″ w.c. |
| 677B-11 | Range, -.05-0-.05″ w.c. |
| 677B-12 | Range, -0.1-0-0.1″ w.c. |
| 677B-13 | Range, -.25-0-.25″ w.c. |
| 677B-14 | Range, -0.5-0-0.5″ w.c. |
| 677B-15 | Range, -1-0-1″ w.c. |
