Pressure Transmitter- Series 642
±0.1% Accuracy, Two-Wire Operation, 316 SS Wetted Parts
The Series 652 Pressure Transmitters provide accurate and economical pressure measurement of liquids and compatible gases. Zero and span are independently adjustable units are constructed of 316 and 316 L SS wetted parts for superior compatibility. Transmitters feature simple two-wire operation plus reverse polarity protection. Liquid fill proves shock- and vibration-resistant operation.
| Service: | Compatible gases, vapor |
|---|---|
| Output: | 4-20 mA DC, max. (2 wire) |
| Supply Voltage: | 10 to 35 VDC |
| Loop Resistance: | 1300 DC max |
| Current Consumption: | 38 mA DC max. |
| Accuracy: | ±0.1% F.S. |
| Stability: | 0.1% F.S. annually |
| Zero and Span: | Adjustable to 0.05% of full span |
| Thermal Effect: | ±0.01% F.S./° |
| Wetted Parts: | 316, 316 L SS |
| Housing: | 316 SS |
| Operating Temperature: | 20 to 120°f (-7 to 49°C) |
| Fill fluid: | Silicone fluid, 200 cs, Dow Corning 200 |
| Process Connections: | Dual-size 3/8" NPT male, 1/8" NPT female |
| Electrical Connections: | 3 position terminal block |
| Weight: | 11 oz. (312 g) |
| Model Number | Pressure Range |
|---|---|
| 642-1 642-2 642-3 642-4 |
0-15 psig (0-1.03 bar) 0-30 psig (0-2.07 bar) 0-50 psig (0-3.45 bar) 0-100 psig (0-6.90 bar) |
SUGGESTED SPECIFICATIONS :- Pressure Transmitter shall include 316 SS and 316 L SS wetted parts and silicone fluid fill to resist shock and vibration. Unit shall have 60.1% FS accuracy, including linearity, hysteresis, and repeatability. Unit shall have independently adjustable zero and span located under the wire termination cap on the top of the transmitter body. Transmitter shall be Dwyer Model No. 642