Mô tả sản phẩm: Dwyer WHT-322
Thông số kỹ thuật:
| Relative Humidity Range: | 0 to 100% RH. |
| Temperature Range: | -40 to 140°F (-40 to 60°C). |
| Accuracy, RH: | ±3% 20-80% RH, ±4% @ 10-20%, 80-90%. |
| Accuracy, 4-20 mA Temp. Output Models: | ±0.9°F @ 72°F (±0.3°C @ 25°C). |
| Accuracy, Passive Thermistor Temp. Sensor Models: | ±0.4°F @ 77°F (±0.22°C @ 25°C). |
| Hysteresis, RH: | ±1%. |
| Repeatability, RH: | ±0.1% typical. |
| Temperature Limits: | -40 to 140°F (-40 to 60°C). |
| Storage Temperature: | -40 to 176°F (-40 to 80°C). |
| Compensated Temperature Range, RH: | -4 to 140°F (-20 to 60°C). |
| 4-20 mA Loop Powered Models: | Power Requirements: 10-35 VDC; Output Signal: 4-20 mA. |
| 0-10 V Output Models: | Power Requirements: 15-35 VDC or 15 –29 VAC; Output Signal: 0-10 V @ 5 mA max. |
| 0-5 V Output Models: | Power Requirements: 10-35 VDC or 10–29 VAC; Output Signal: 0-5 V @ 5 mA max. |
| Response Time: | 15 seconds. |
| Electrical Connections: | Removable screw terminal block. |
| Drift: | <1% RH/year. |
| RH Sensor: | Capacitance polymer. |
| Temperature Sensor: | 4-20 mA Output, Solid State Band Gap. Passive Output: 10K @ 25°C Thermistor (Dwyer curve A). |
| Enclosure: | ABS. |
| Enclosure Rating: | Designed to meet NEMA 3S (IP54). |
| Weight: | 0.3 oz (8.5 g). |
| Agency Approvals: | CE. |
