| Differential Pressure Transmitter ±1% FS Accuracy, Up to Six Field Selectable Ranges, 10 psid Overpressure |
Measure and Control building/room pressure, air flow, duct pressure or filter drop with the Series 674 Differential Pressure Transmitter. Thses versatile transmitters provide up to six field selectable direct or compound pressure ranges. Additional features include 10 psid overpressure without zero shift, non-interactive zero and span adjustment, temperature compensation, short circuit and reverse polarity protection.
PHYSICAL DATA
Service: Clean dry air or any inert gas.
Accuracy: ± 1% FS (includes non-linearity, hysteresis and non-repeatability).
Overpressure: 10 psid (0.7 kg/cm²).
Output: 4-20mA, 2-wire.
Supply Voltage: 12-40 VDC.
Loop Resistance: 1600Ω @ 40VDC.
Zero and Span Adjustment: ±15%, non-interactive.
Stability: Less than 1% FS/year.
Operating Temperature Range: 0 to 175°F (-18 to 80°C), 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.
Pressure Connections: Barbed for ¼" O.D. 5/32" I.D. tubing.
Wetted Parts: Brass hose barbs, silicone.
Enclosure: Models 674-4XX: Cold-Rolled Steel, NEMA-4 (IP56); Models 674-1XX: Panel Mount.
Electrical Connections: Unpluggable screw terminal block
Weight: Models 674-4XX: 1.0 lbs (.45 kg); Models 674-1XX: 0.5 lbs.
STOCKED MODELS in bold
| Model Number | Enclosure | Range (inches of w.c.) |
| 674-414 | NEMA 4 (IP56) | 0 to 0.1, ±0.5 |
| 674-114 | Panel mount | |
| 674-424 | NEMA 4 (IP56) | 0 to 1.0, 0 to 0.5, 0 to 0.25, ±0.5, ±0.25, ±0.125 |
| 674-124 | Panel mount | |
| 674-434 | NEMA 4 (IP56) | 0 to 5.0, 0 to 2.5, 0 to 1.25, ±2.5, ±1.25, ±0.625 |
| 674-134 | Panel mount | |
| 674-444 | NEMA 4 (IP56) | 0 to 30, 0 to 15, 0 to 7.5, ±15.0, ±7.5, ±3.75 |
| 674-144 | Panel mount |
Orçamento