Humidity Sensor TRH 300 Series
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TRH-300 series utilise a thin-film polymer capacitor to sense relative humidity, and a thin-film RTD to accurately sense temperature. The sensing element's multilayer dust, dirt, oil and common environmental chemicals.
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资料
- Fast, Stable & Accurate
- Watertight enclosure
- Compact size, easy mounting
- Excellent long-term stability
- Wide input voltage range (12~40Vdc)
- Available with either current or voltage output
- On-site, Zero & Span calibration
Model
| Model | Description |
| TRH-301 | Temperature Transmitter |
| TRH-302 | Humidity Transmitter |
| TRH-303 | Humidity & Temperature Transmitter |
Specifications
| Measurement Range | 0 ~ 100% RH , 0 ~ 100˚C (-20~+80˚C, 0~50˚C,-40~+60˚C also is available) |
| Accuracy (25'C) | ±2%RH, 0.3˚C |
| Long Term Stability | Better than 1% RH per year (Typical) |
| Temp. Compensation | ±0.008%RH / ˚C (Effect@ 0% RH) |
| Respone | < 15 second (90% at 25'C in moving air at 0.5M/S) |
| Sensors | Humidity : Thin-film capacitor , Temperature: RTD-PT100W IEC751) |
| Output | Humidity: 4~20 mA (2-wire) Temperature 4~20mA (2-wire), Scalable *Option available for input signal output 0~1V, 0~5V, 0~10V or 1~5V |
| Supply Voltage | 12 ~ 40 DC |
| Max. Pressure | 2.0G / CM2 |
| Housing | ABS plastic watertight enclose (IP65) |
| Connetions | Liquid-tight nylon, cable bushing: 5 ~ 10mm cables |
| Ambient Temperature | -40 ~ + 85'C (-40 ~ + 185'F) |
| Weight | Approx. 150g |
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