Chilled Mirror Hygrometer
Humidity Generator
Humidity Sensor
HVAC
Moisture Analysis Instruments
Microline™ Transmitters - Specifications
Humidity
Sensing Element Resistance change of bulk polymer
Accuracy at 25º (77º F): +/- 2%, 3% or 5% RH at 20 to 95% RH, includes hysteresis, linearity and repeatability
Operating Range 0% to 99% RH (noncondensing), -29º to +60º (-20º to +140º)
Long Term Stability Less than 1% drift per year typical
Temperature effect Less than 0.11% per º(0.06% per º)
Sensitivity 0.1% RH
Repeatability 0.5% RH
Linearity See accuracy
Hysteresis Less than 1% RH
Signal Outputs 4 to 20mA, 0 to 5 volts, 0 to 10 volts, (0 to 100% RH linear)
Supply voltage 18 to 36 VDC
Maximum load (Current Output Only) ohm = Supply –10VDC/.02 Amps
Storage temperature -65º to +70ºC (-85º to+158ºF)
 
Easycal-Plus RH Calibrator/Indicator
Sensing Element Resistance change of bulk polymer
Single point calibration range 20% to90% RH
Single point calibration accuracy +/- 2% RH
Reference probe accuracy +/- 2% RH(20% to 90% RH)
Operating Range (RH Sensor) 0% to 99% RH (non-condensing)
-40°F to +170°F (-40°C to +76°C)
Operating Range (Electronics) 0% to 95% RH (non-condensing)
-20°F to +140°F (-29°C to +60°C)
Long term stability Less than 1% drift per year typical
Temperature effect Less than 0.11% per ºC (0.06% per ºF)
Probe dimensions Diameter: 0.5 inches
Length: 3 inches
Power supply 9VDC alkaline battery, continuous use for 40 hrs., Auto power-off
Storage temperature -85° to +158°F
(-65° to +70°C)
 
TEMPERATURE - Thermistor (T1) (Direct Connection)
Sensing Element 10K thermistor at 25ºC (77ºF)
Accuracy at 25ºC (77ºF) +/- 1.2º C(+/- 2.0ºF)
Signal Output Direct Connection
 
TEMPERATURE - RTD (T2) (Direct Connection)
Sensing Element 1000 ohm thin film platinum RTD (.00385 alpha)
Accuracy at 25ºC (77ºF) +/- 0.3ºC (+/- 0.5ºF)
Signal Output Direct Connection
 
TEMPERATURE - RTD (T3) (Signal Conditioning)
Sensing Element 1000 ohm thin film platinum RTD(.00385 alpha) with signal conditioning
Accuracy at 25ºC (77ºF) +/- 0.3ºC (+/- 0.5ºF)
Long term stability Less than 0.2°F per year
Temperature effect Less than 0.02% per ºC (0.01% per ºF)
Sensitivity 0.1%
Repeatability Better than 0.1%
Linearity Less than 0.01%
Sensor Interchangability +/- 0.3º C(+/- 0.5 ºF)
Signal Outputs 4 to 20 mA, 0 to 5 volts, 0 to 10 volts, (-20º to 140º linear)
Supply voltage 12 to 36 VDC
Storage Temperature -65º to 70º C(-85º to 158ºF)