Vaisala Duct-mount RH/Temp Transmitter Sensor
T-VAI-HMD-40Y Vaisala Duct-mount RH/Temp Transmitter Sensor
  • T-VAI-HMD-40Y Image 1
Part # T-VAI-HMD-40Y

Vaisala Duct-mount RH/Temp Transmitter Sensor




The Vaisala Duct-mount RH/Temp temperature and humidity transmitter offers reliable operation and mounts to air ducts. It provides a relative humidity measurement range of 10% to 90% relative humidity and temperature measurement range of -10° to 60°C (14° to 140°F). A FlexSmart Analog Module is required for operation with the HOBO Flexsmart Data Logger.

  • Mounts in air ducts
  • RH measurement range of 10% to 90%
  • Temperature range of -10° to 60°C (14° to 140°F)
  • Analog input required

In what environment does this sensor operate?

This sensor operates in an indoor environment.

What measurements does this sensor support?

The T-VAI-HMD-40Y sensor supports the following measurements: Relative Humidity and Temperature

The country of origin for this product is Finland. To see the full specifications for this product, please see our product manual found under the documentation tab if available.

RH measurement range: 10 to 90% RH

Accuracy (at +20ºC/68ºF): better than ±3% RH

Stability: ±2% RH over 2 years

Temperature dependence: less than ±1.5% RH from –10° to 60°C (14° to 140°F)

Temperature measurement range: -10° to 60°C (14° to 140°F)

Accuracy at 25°C/77°F: ±0.3°C (±0.54°F)

Temperature Dependence: 0.01°C/°C (0.01°F/°F)

Operating temp range: -10° to 60°C (14° to 140°F)

Operating humidity range: 0 to 100% RH

Output signal to FlexSmart: 4-20mA

Load resistance: greater than 20 kohm

Power supply: 10 to 28 VDC

Current consumption: 4 mA minimum

Housing material: ABS plastic

Standards: Complies with EMC standard EN61326-1:1997 + AM 1:1998, generic environment

Dimensions: 30.2 cm x 8.0 cm x 1.5 cm diameter (11.9" x 3.15" x 0.6" diameter)

Weight: 163.9g (5.78oz)

Number of data channels: 2

To download the manual from Vaisala click here.

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