We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
Vaisala HUMICAP® Humidity and Temperature Transmitters HMT130 is designed for humidity and temperature monitoring in cleanrooms and are also suitable for demanding HVAC and light industrial applications.
Measurement Performance
Relative Humidity | |
Measurement range | 0 … 100 %RH |
Accuracy 1) 2) | |
At 0 … +40 °C (+32 … +104 °F) | ±1.5 %RH (0 … 90 %RH) ±2.5 %RH (90 … 100 %RH) |
At −40 … 0 °C and +40 … +80 °C (−40 … +32 °F and +104 … +176 °F) | ±3.0 %RH (0 … 90 %RH) ±4.0 %RH (90 … 100 %RH) |
Factory calibration uncertainty at +20 °C (+68 °F) | ±1.1 %RH (0 … 90 %RH) ±1.8 %RH (90 … 100 %RH) |
Humidity sensor types | Vaisala HUMICAP 180R Vaisala HUMICAP 180V |
Stability | ±2 %RH over 2 years |
Stability in typical HVAC applications | ±0.5 %RH per year |
Temperature | |
Measurement range | −40 … +80 °C (−40 … +176 °F) |
Accuracy over Temperature Range: | |
At +15 … +25 °C (+59 … +77 °F) | ±0.1 °C (±0.18 °F) |
At 0 … +15 °C and +25 … +40 °C (+32 … +59 °F and +77 … +104 °F) | ±0.15 °C (±0.27 °F) |
At −40 … +0 °C and +40 … +80 °C (−40 … +32 °F and +104 … +176 °F) | ±0.4 °C (±0.72 °F) |
Temperature sensor | Pt1000 RTD Class F0.1 IEC 60751 |
Other Variables (Optional) | |
Dew point/frost point, wet bulb temperature, enthalpy, absolute humidity, mixing ratio, vapor pressure, and saturation vapor pressure | |
1) Including non-linearity, hysteresis, and repeatability. 2) With HUMICAP 180V sensor, accuracy is specified only in operating temperature −20 ... +80 °C (−4 ... +176 °F). |
Inputs and Outputs
HMT120 2-Wire Transmitter (Loop-Powered) | |
Current output signals | 4 … 20 mA |
External loop voltage | 10 … 30 VDC (RL = 0 Ω) 20 … 30 VDC (RL < 500 Ω) |
HMT130 3-Wire Transmitter | |
Voltage output signals | 0 … 1 V, 0 … 5 V, 0 … 10 V or user defined between 0 … 10 V |
Min. output resistance | 1 kΩ |
Serial output | RS-485, non-isolated |
Relay output | 1 relay (max. 50 VDC, 200 mA) |
Supply voltage | 10 … 35 VDC 15 … 35 VDC (when output 0 … 10 V) 24 VAC (±20 %) |
Current consumption at 24 VDC | 8 mA, if relay closed 15 mA |
Max. additional error caused by the analog outputs after calibration at +20 °C (+68 °F) ambient temperature | ±0.1 % of FS output signal |
Temperature dependence of the analog outputs | ±0.005 % of FS output signal |
Operating Environment
Operating temperature of transmitter body, no display | −40 … +60 °C (−40 … +140 °F) |
Operating temperature of transmitter body with display | −20 … +60 °C (−4 … +140 °F) |
Operating temperature, HMP110 probe | −40 … +80 °C (−40 … +176 °F) |
Storage temperature | −50 … +70 °C (−58 … +158 °F) |
EMC compliance | EN 61326-1 and EN 55022 |
Mechanical Specifications
IP rating | IP65 |
Weight | 270 g (9.5 oz) |
Probe cable lengths | 3 m, 5 m, 10 m - up to 50 m (9.8 ft, 16 ft, 33 ft - up to 164 ft) |
Display (optional) | 128 x 64 resolution full graphics B&W display without backlight |
Material | |
Transmitter housing | PBT plastic |
Display window | PC plastic |
Probe body | Stainless steel (AISI 316) |
Probe grid filter | Chrome coated ABS plastic |
Connections | |
Inputs and outputs | Screw terminals 0.5 … 1.5 mm² (AWG 20 ... AWG 15) |
Probe interface | 4-pin M8 female panel connector |
Write Your Own Review