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    • NovaLynx Corporation
    1-530-823-7185
    Products > Temperature and Humidity

    225-HMP155 Series Relative Humidity and Temperature Sensors

    Relative Humidity and Temperature Sensor
    225-HMP155 Series Relative Humidity and Temperature Sensors
    The 225-HMP155 Series Relative Humidity & Temperature Sensors have a new generation HUMICAP®180R sensor that has excellent stability and withstands well harsh environments. With its fast response time, the temperature probe for the HMP155 is ideal for measurement in environments with changing temperatures.
    Product Details

    The 225-HMP155 Series Relative Humidity & Temperature Sensors have a new generation HUMICAP®180R sensor that has excellent stability and withstands well harsh environments. The probe structure is solid and the sensor is protected by default with a sintered teflon filter, which gives maximum protection against liquid water, dust, and dirt.

    With its fast response time, the temperature probe for the HMP155 is ideal for measurement in environments with changing temperatures. The new membrane filter speeds up RH measurement.

    Protecting the sensor from scattered and direct solar radiation, as well as precipitation, will increase its lifetime. Thus, NovaLynx recommends installing the HMP155 in a solar radiation shield or instrument shelter.

    The 225-500-B Relative Humidity & Temperature Sensor has the addition of an integrated circuit transducer that provides a linear microamp current output proportional to temperature. The 225-501-B utilizes a one-element thermistor for temperature measurement.

    Specifications

    225-HMP155A

    • Humidity (same as 220-HMP155D)
      • Sensing element: Thin film capacitor, with membrane filter
      • Measuring range: 0-100% RH
      • Output: 0-1 Vdc with high and low calibration adjustments
      • Accuracy: ± 1% (0-90% RH) ± 2% (90-100% RH) at 20
      • Response time: 20 seconds with filter
      • Operating temperature: -40° to +140°F (-40° to 60°C)
      • Excitation voltage: 7-35 Vdc
      • Power consumption: < 4 mA
      • Size: 0.75 Dia x 9.45" L
      • Weight/shipping: 10 oz/1 lb
    • Temperature (same as 225-HMP60)
      • Humidity measurement range: 10 to 90% (for which accuracy is specified)
      • Humidity accuracy: Better than ± 3% @ +68°F (+20°C)
      • Humidity operating range: 0-100% RH
      • Stability: ± 2% RH over 2 years
      • Temperature measurement range: -40° to +140°F (-40° to +60°C)
      • Temperature accuracy: 1.1°F (± 0.6°) @ +68°F (+20°C)
      • Input power: 7-28 Vdc
      • Current consumption: 2 mA typical
      • Output signal: 0 to 1 Vdc standard; 0 to 5 Vdc available on special order
      • Housing material: Chrome-coated aluminum (IP 65)
      • Size: 0.47 Dia (12 mm) x 3" L (80 mm), threaded M12 x 1
      • Cable length: 12" (313 mm) with molded connector
      • Cable connector: Screw-on 4-pin M8 molded 1.5" L (37 mm)

    225-500-B

    • Humidity (same as 220-HMP155D and 225-HMP155A)
      • Sensing element: Thin film capacitor, with membrane filter
      • Measuring range: 0-100% RH
      • Output: 0-1 Vdc with high and low calibration adjustments
      • Accuracy: ± 1% (0-90% RH) ± 2% (90-100% RH) at 20
      • Response time: 20 seconds with filter
      • Operating temperature: -40° to +140°F (-40° to 60°C)
      • Excitation voltage: 7-35 Vdc
      • Power consumption: < 4 mA
      • Size: 0.75 Dia x 9.45" L
      • Weight/shipping: 10 oz/1 lb
    • Temperature (same as 210-201)
      • Sensing element: AD592CN IC transducer
      • Range: -40° to +140°F (-40° to +60°C)
      • Output: 1µA/°K for supply voltages between +4 and +30 V (298.2µA at 25°C)
      • Accuracy: ± 0.4°C
      • Linearity: 0.3°C

    225-501-B

    • Humidity (same as 220-HMP155D and 225-HMP155A)
      • Sensing element: Thin film capacitor, with membrane filter
      • Measuring range: 0-100% RH
      • Output: 0-1 Vdc with high and low calibration adjustments
      • Accuracy: ± 1% (0-90% RH) ± 2% (90-100% RH) at 20
      • Response time: 20 seconds with filter
      • Operating temperature: -40° to +140°F (-40° to 60°C)
      • Excitation voltage: 7-35 Vdc
      • Power consumption: < 4 mA
      • Size: 0.75 Dia x 9.45" L
      • Weight/shipping: 10 oz/1 lb
    • Temperature (same as 110-WS-16T)
      • Sensing element: 10K thermistor
      • Range: -40° to +140° F
      • Resolution: > 0.1° F
      • Accuracy: ± 1° F

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