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Dwyer WHT系列耐候型温湿度变送器
Dwyer WHT系列耐候型温湿度变送器
紧凑型系列WHT湿度/温度变送器的设计是为了抵挡这些元件。可移动烧结过滤器保护聚合物电容传感器免受可能与变送器接触的固体物体的影响。变送器具有4~20 mA或0~10 VDC输出信号，适用于温度和湿度。这种变送器是理想的测量外部空气温湿度水平，以空气处理省煤器的应用。
湿度范围:0-100% RH.
温度范围:-40~140°F (-40~60°C).
精度, RH:±3% 20 to 80% RH, ±4% @ 10 to 20%, 80 to 90%.
精度,温度4-20 mA输出:±0.9°F @ 72°F (±0.3°C @ 25°C).
精度, 温度无源热敏电阻温度传感器:±0.4°F @ 77°F (±0.22°C @ 25°C).
滞性RH:±1%.
重复性, RH:±0.1% typical.
温度限制:-40~140°F (-40~60°C).
存储温度:-40-176°F (-40-80°C).
温度补偿范围RH:-4~140°F (-20~60°C).
4-20 mA型电源:10-35 VDC; 输出: 4-20 mA.
0-10 V型电源: 15-35 VDC 或者 15-29 VAC; 输出: 0-10 V @ 5 mA max.
0 to 5 V型电源:10-35 VDC或者10-29 VAC; 输出: 0-5 V @ 5 mA max.
反应时间:15 s.
电气连接:可插拔端子
漂移:<1% RH/年.
RH传感器:电容聚合物
温度传感器:4-20 mA型, 固态带隙. 无源输出: 10K @ 25°C thermistor (Dwyer curve A).
外壳:ABS.
封装:符合NEMA 3S (IP54).
重量:0.3 oz (8.5 g).
认证:CE.
选型表
| 型号 | 参数 |
|---|---|
| WHT-310 | Water-resistant humidity transmitter with sintered filter, 3% accuracy, 4-20 mA humidity output. |
| WHT-311 | Water-resistant humidity/temperature transmitter with sintered filter, 3% accuracy, 4-20 mA humidity and temperature output. |
| WHT-31A | Water-resistant humidity/temperature transmitter with sintered filter, 3% accuracy, 4-20 mA humidity output and 10K Ω Type III, curve A temperature output. |
| WHT-320 | Water-resistant humidity transmitter with sintered filter, 3% accuracy, 0-10 VDC humidity output. |
| WHT-322 | Water-resistant humidity/temperature transmitter with sintered filter, 3% accuracy, 0-10 VDC humidity and temperature output. |
| WHT-32A | Water-resistant humidity/temperature transmitter with sintered filter, 3% accuracy, 0-10 VDC humidity output and 10K Ω Type III, curve A temperature output. |
| WHT-330 | Water-resistant humidity transmitter with sintered filter, 3% accuracy, 0-5 VDC humidity output. |
| WHT-333 | Water-resistant humidity/temperature transmitter with sintered filter, 3% accuracy, 0-5 VDC humidity and temperature output. |
| EXAMPLE | WHT | 2 | 1 | 1 | Series WHT-211 Humidity/Temperature Transmitter, 2% accuracy, current 4-20 mA RH output, current 4-20 mA temperature output. |
| SERIES | WHT | Humidity/Temperature Transmitter | |||
| ACCURACY | 2 3 | 2% 3% | |||
| RH OUTPUT | 1 2 3 | Current 4-20 mA Output Voltage 0-10 VDC Output Voltage 0-5 VDC Output | |||
| TEMPERATURE OUTPUT | 0 1 2 3 A B C D E | None Current 4-20 mA Output Voltage 0-10 VDC Output Voltage 0-5 VDC Output 10K Ohm TC Curve A 10K Ohm TC Curve B 3K Ohm TC Curve C 100 Ohm RTD Curve D 1K Ohm RTD Curve E |
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Dwyer RHP系列湿度/温度变送器
