Dwyer WHT系列防水温湿度变送器 
产品介绍
WHT系列温湿度变送器具有抗外界环境侵蚀的优点。WHT系列是一款理想经济型的防水温湿度变送器。
型号    精度    RH 输出    温度
WHT-310    3%    4-20 mA    None
WHT-311    3%    4-20 mA    4-20 mA
WHT-320    3%    0-10V    None
WHT-322    3%    0-10V    0-10 V
WHT-330    3%    0-5V    None
WHT-333    3%    0-5V    0-5 V
WHT-31A    3%    4-20 mA    10 K Ohm
WHT-32A    3%    0-10 V    10 K Ohm

技术参数
相对湿度范围：0-100% RH
温度范围：-40-140℉（-40-60℃）
精度：RH: ±3% 20-80% RH；±4%@10-20%，80-90%
响应时间：15s
飘移：<1% RH/年
重量：0.3 oz(8.5g)
Relative Humidity Range: 0 to 100% RH. Temperature Range: -40 to 140°F (-40 to 60°C). Accuracy, RH: ±3% 20 to 80% RH, ±4% @ 10 to 20%, 80 to 90%. Accuracy, Temp Models with 4 to 20 mA Temp. Output: ±0.9°F @ 72°F (±0.3°C @ 25°C). Accuracy, Temp Models with Passive Thermistor Temp Sensor: ±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 to 35 VDC; Output Signal: 4 to 20 mA. 0 to 10 V Output Models: Power Requirements: 15 to 35 VDC or 15 to 29 VAC; Output Signal: 0 to 10 V @ 5 mA max. 0 to 5 V Output Models: Power Requirements: 10 to 35 VDC or 10 to 29 VAC; Output Signal: 0 to 5 V @ 5 mA max. Response Time: 15 s. Electrical Connections: Removable screw terminal block. Drift: <1% RH/year. RH Sensor: Capacitance polymer. Temperature Sensor: 4 to 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.
认证：CE