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Dwyer RHP-3M11 | Sintered Filter Duct Humidity/Temperature Transmitter | ±3% RH, 4-20 mA RH/Temp
With 4-20 mA outputs for both humidity and temperature, the Dwyer RHP-3M11 is a duct-mount unit with sintered filter measuring humidity to ±3% (20 to 80% RH @ 25°C). The RHP-3M11 belongs to Series RHP and uses a capacitance polymer humidity sensor.
- Supply for the 4-20 mA version: 10-35 VDC (loop powered) (RHP-3M11)
- RHP-3M11: Measures 0 to 100% RH; drift below 1% RH per year, hysteresis ±1%, response time 15 s
- Duct mount: NEMA 4X (IP66) housing, 1/2" NPS conduit connection, 0.616 lb (0.3 kg) on the RHP-3M11
- Operating range -40 to 140°F (-40 to 60°C) (RHP-3M11)
- Specifications
- Features
- Downloads
| Part Number | RHP-3M11 |
| Brand | Dwyer |
| Series | RHP |
| Mounting | Duct mount with sintered filter |
| RH Accuracy | ±3% (20 to 80% RH @ 25°C) |
| RH Range | 0 to 100% RH |
| RH Output | 4-20 mA |
| Temperature Output | 4-20 mA |
| Power | 10-35 VDC (loop powered) |
| Response Time | 15 s |
| Drift | <1% RH/year |
| Enclosure Rating | NEMA 4X (IP66) (housing only) |
| Weight | 0.616 lb (0.3 kg) |
- Lower installation costs when temperature and humidity are combined.
- With 2%, 3%, and 5% accuracy and a wide range of temperature sensors, there is a wide application environment.
- Lower system operating costs thanks to the radiation barrier that shields the sensor from heat radiation.
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