Vaisala HVAC Solutions

Room Transmitters

Accuracy that lasts

The secret of the long lifetime of our transmitters: The winning combination of unique measurement technology and careful future-proof design of instruments. These products with exceptionally long lifetime and excellent measurement stability are practically maintenance free, and a sustainable choice.

GMW90 Series

Carbon Dioxide, Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide
Relative humidity
Temperature
Dew point/frost point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity
Dew point depression

Output Options

4…20 mA
0…5/0…10 V
Modbus RTU

Details

IP30 enclosure
Display option
Optional LED CO2 indication
Optional decorative covers
User exchangeable measurement modules available
CO2 measurement range 0…5 000 ppm
Accuracy ±1.7% Rh, ±0.2°C (±0.36 °F) +50 ppm at 1000 ppm CO2
Calibration certificate included

Datasheet

GWM83/84/86

Carbon Dioxide, Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide
Relative humidity
Temperature

Output Options

4…20 mA
0…10 V

Details

IP30 enclosure
Display option (GMW83)
LED CO2 indication (GMW83A)
Range: 0…2000 ppm
Accuracy ±60 ppm at 1000 ppm CO2, ±3% Rh, ±0.5 °C (±0.9 °F)

Datasheet

HMW82/83

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature

Output Options

4…20 mA loop powered
0…10 V

Details

IP30 enclosure
Accuracy ±3% Rh, ±0.5 °C (±0.9 °F)
Display option

Datasheet

HMW90 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity
Dew point depression

Output Options

4…20 mA loop powered
0…5/0…10 V, optional relay
Modbus RTU

Details

IP30 enclosure
Display option
Optional decorative covers
User exchangeable measurement modules available
Accuracy ±1.7% Rh, ±0.2°C (±0.36 °F)
Calibration certificate included

Datasheet

TMW82

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered

Details

IP30 enclosure
Accuracy +0.5 °C (±0.9 °F)

Datasheet

TMW90 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
0…5/0…10 V, optional relay

Details

IP30 enclosure
Display option
Optional decorative covers
User exchangeable measurement modules available
Accuracy ±2.5% Rh, ±0.5°C (±0.9 °F) +50 ppm at 1000 ppm CO2
Calibration certificate included

Datasheet

XMW85

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide
Relative humidity
Temperature

Output Options

Modbus RTU

Details

Accuracy ±60ppm at 1000ppm CO₂
±3% Rh, ±0.5 °C (±0.9 °F)
Stability ±15ppm + 2% of CO₂ reading / 5 years
CO₂ range 0…2000ppm
Display option
IP30 enclosure

Datasheet

HMW82/83

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature

Output Options

4…20 mA loop powered
0…10 V

Details

IP30 enclosure
Accuracy ±3% Rh, ±0.5 °C (±0.9 °F)
Display option

Datasheet

HMW90 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity
Dew point depression

Output Options

4…20 mA loop powered
0…5/0…10 V, optional relay
Modbus RTU

Details

IP30 enclosure
Display option
Optional decorative covers
User exchangeable measurement modules available
Accuracy ±1.7% Rh, ±0.2°C (±0.36 °F)
Calibration certificate included

Datasheet

TMW82

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered

Details

IP30 enclosure
Accuracy +0.5 °C (±0.9 °F)

Datasheet

TMW90 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
0…5/0…10 V, optional relay

Details

IP30 enclosure
Display option
Optional decorative covers
User exchangeable measurement modules available
Accuracy ±2.5% Rh, ±0.5°C (±0.9 °F) +50 ppm at 1000 ppm CO2
Calibration certificate included

Datasheet

GMW90 Series

Carbon Dioxide, Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide
Relative humidity
Temperature
Dew point/frost point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity
Dew point depression

Output Options

4…20 mA
0…5/0…10 V
Modbus RTU

Details

IP30 enclosure
Display option
Optional LED CO2 indication
Optional decorative covers
User exchangeable measurement modules available
CO2 measurement range 0…5 000 ppm
Accuracy ±1.7% Rh, ±0.2°C (±0.36 °F) +50 ppm at 1000 ppm CO2
Calibration certificate included

Datasheet

GWM83/84/86

Carbon Dioxide, Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide
Relative humidity
Temperature

Output Options

4…20 mA
0…10 V

Details

IP30 enclosure
Display option (GMW83)
LED CO2 indication (GMW83A)
Range: 0…2000 ppm
Accuracy ±60 ppm at 1000 ppm CO2, ±3% Rh, ±0.5 °C (±0.9 °F)

Datasheet

Wall Transmitters

Perfect for Demanding Environments

Vaisala’s cutting-edge wall transmitters combine sensor innovation and durable design for challenging HVAC and industrial environments. They deliver consistent accuracy and stability while keeping total ownership costs low, ideal for long-term installations.

GMW87/88

Carbon Dioxide Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide

Output Options

4…20 mA, 0…10 V
Modbus RTU (GMW87)

Details

IP64 enclosure
Range: 0…5000 ppm
Accuracy +60 ppm at 1000 ppm CO2

Datasheet

HMT120/130 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Mixing ratio

Output Options

4…20 mA loop powered
0…1/0…5/0…10 V

Details

IP65
Available with fixed and remoteprobe
Interchangeable probes
Accessories for duct/outdoor installation
Accuracy ±1.5% Rh, ±0.1 °C (±0.18 °F)
Calibration certificate included
Display option

Datasheet

HMW110 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy ±2% Rh, ±0.2 °C (±0.36 °F)
Calibration certificate included
Display option
Optional M12 connector available

Datasheet

HMW87

Humidity and Temperature Transmitter

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

Modbus RTU

Details

Accuracy ±3% Rh, ±0.3 °C (±0.54 °F)
Display option
IP65 enclosure

Datasheet

HMW88/89

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
0…10 V

Details

IP65 enclosure
Display option
Accuracy ±3% Rh, ±0.3 °C (±0.54 °F)

Datasheet

Origo10 Series

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

As per connected probe:

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Absolute humidity
Mixing ratio
Carbon dioxide

Output Options

4…20 mA loop powered
4…20 mA, 0…5/10 V
Modbus RTU
BACnet MS/TP

Details

Accuracy as per probe

up to ±1% Rh, ±0.1 °C (±0.18 °F)
Display option
IP65 enclosure
Interchangeable probes
Cable probe option
Duct mounting kit option
Calibration certificate

Datasheet

PDT101

Differential Pressure Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Differential pressure

Output Options

4…20 mA
0…5/10 V

Details

IP40
Accuracy 0.4% / 1% of span
Unidirectional/bidirectional options
Optional pressure ranges
Easy mounting

Datasheet

TMT120/130 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
0…1/0…5/0…10 V

Details

IP65
Interchangeable probes
Accuracy +0.1 °C (±0.18 °F)
Calibration certificate included
Display option

Datasheet

TMW110 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65 enclosure
Display option
Accuracy ±0.3 °C (±0.54 °F)
Optional M12 connector available

Datasheet

TMW88

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
0…10 V

Details

IP65 enclosure
Accuracy ±0.3 °C (±0.54 °F)

Datasheet

HMT120/130 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Mixing ratio

Output Options

4…20 mA loop powered
0…1/0…5/0…10 V

Details

IP65
Available with fixed and remoteprobe
Interchangeable probes
Accessories for duct/outdoor installation
Accuracy ±1.5% Rh, ±0.1 °C (±0.18 °F)
Calibration certificate included
Display option

Datasheet

HMW110 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy ±2% Rh, ±0.2 °C (±0.36 °F)
Calibration certificate included
Display option
Optional M12 connector available

Datasheet

HMW87

Humidity and Temperature Transmitter

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

Modbus RTU

Details

Accuracy ±3% Rh, ±0.3 °C (±0.54 °F)
Display option
IP65 enclosure

Datasheet

HMW88/89

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
0…10 V

Details

IP65 enclosure
Display option
Accuracy ±3% Rh, ±0.3 °C (±0.54 °F)

Datasheet

TMT120/130 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
0…1/0…5/0…10 V

Details

IP65
Interchangeable probes
Accuracy +0.1 °C (±0.18 °F)
Calibration certificate included
Display option

Datasheet

TMW110 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65 enclosure
Display option
Accuracy ±0.3 °C (±0.54 °F)
Optional M12 connector available

Datasheet

TMW88

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
0…10 V

Details

IP65 enclosure
Accuracy ±0.3 °C (±0.54 °F)

Datasheet

GMW87/88

Carbon Dioxide Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide

Output Options

4…20 mA, 0…10 V
Modbus RTU (GMW87)

Details

IP64 enclosure
Range: 0…5000 ppm
Accuracy +60 ppm at 1000 ppm CO2

Datasheet

Origo10 Series

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

As per connected probe:

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Absolute humidity
Mixing ratio
Carbon dioxide

Output Options

4…20 mA loop powered
4…20 mA, 0…5/10 V
Modbus RTU
BACnet MS/TP

Details

Accuracy as per probe

up to ±1% Rh, ±0.1 °C (±0.18 °F)
Display option
IP65 enclosure
Interchangeable probes
Cable probe option
Duct mounting kit option
Calibration certificate

Datasheet

Duct/Immersion Transmitters

Reliable Measurements Where It Truly Matters

For HVAC systems where precision and reliability are critical, Vaisala’s duct and immersion transmitters provide stable, accurate control even under fluctuating conditions. Their robust design ensures consistent performance and minimal maintenance.

HMD60 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy
Absolute humidity
Mixing ratio

Output Options

4…20 mA loop powered
0…10 V
Modbus RTU
BACnet MS/TP

Details

IP66 (NEMA4X)
A robust metal enclosure
Stainless steel probes
Probe length options 25 cm and 10 cm (10″ and 4″)
Accuracy +1.5% Rh, +0.1 °C (±0.18 °F)
Calibration certificate included

Datasheet

TMD60 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered

Details

IP66 (NEMA4X)
A robust metal enclosure
Stainless steel probes
Probe length options 25 cm and 10 cm (10″ and 4″)
Accuracy +0.1 °C (±0.18 °F)
Calibration certificate included

Datasheet

HMD110 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy +2% Rh, +0.2 °C (±0.36 °F)
Calibration certificate included
Display option

Datasheet

TMD110 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy +0.2 °C (±0.36 °F)
Calibration certificate included
Display option

Datasheet

GMD110 Series

Carbon Dioxide Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide

Output Options

4…20 mA
0…10 V
Modbus RTU

Details

IP65
Accuracy ± 40 ppm CO2
Calibration certificate included

Datasheet

TMI110 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature of liquid

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy ± 0.1 °C
Probe lengths 100 / 150 / 200 mm
Thermowells available
Calibration certificate included
Display option

Datasheet

HMD82/83, TMD82

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy +2% Rh, +0.2 °C (±0.36 °F)
Calibration certificate included
Display option

Datasheet

Origo10

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

As per connected probe:

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Absolute humidity
Mixing ratio

Output Options

4…20 mA loop powered
4…20 mA, 0…5/10 V
Modbus RTU
BACnet MS/TP

Details

Accuracy as per probe, up to ±1% RH, ±0.1 °C (±0.18 °F)
Display option
IP66 enclosure
Interchangeable probes
Calibration certificate

Datasheet

HMD110 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy +2% Rh, +0.2 °C (±0.36 °F)
Calibration certificate included
Display option

Datasheet

HMD60 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy
Absolute humidity
Mixing ratio

Output Options

4…20 mA loop powered
0…10 V
Modbus RTU
BACnet MS/TP

Details

IP66 (NEMA4X)
A robust metal enclosure
Stainless steel probes
Probe length options 25 cm and 10 cm (10″ and 4″)
Accuracy +1.5% Rh, +0.1 °C (±0.18 °F)
Calibration certificate included

Datasheet

HMD82/83, TMD82

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy +2% Rh, +0.2 °C (±0.36 °F)
Calibration certificate included
Display option

Datasheet

Origo10

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

As per connected probe:

Relative humidity
Temperature
Dew point / frost point temperature
Wet bulb temperature
Enthalpy
Absolute humidity
Mixing ratio

Output Options

4…20 mA loop powered
4…20 mA, 0…5/10 V
Modbus RTU
BACnet MS/TP

Details

Accuracy as per probe, up to ±1% RH, ±0.1 °C (±0.18 °F)
Display option
IP66 enclosure
Interchangeable probes
Calibration certificate

Datasheet

TMD110 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy +0.2 °C (±0.36 °F)
Calibration certificate included
Display option

Datasheet

TMD60 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

4…20 mA loop powered

Details

IP66 (NEMA4X)
A robust metal enclosure
Stainless steel probes
Probe length options 25 cm and 10 cm (10″ and 4″)
Accuracy +0.1 °C (±0.18 °F)
Calibration certificate included

Datasheet

TMI110 Series

Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature of liquid

Output Options

4…20 mA loop powered
Modbus RTU

Details

IP65
Accuracy ± 0.1 °C
Probe lengths 100 / 150 / 200 mm
Thermowells available
Calibration certificate included
Display option

Datasheet

GMD110 Series

Carbon Dioxide Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide

Output Options

4…20 mA
0…10 V
Modbus RTU

Details

IP65
Accuracy ± 40 ppm CO2
Calibration certificate included

Datasheet

Outdoor & Weather Transmitters

For All HVAC Applications

As a global leader in industrial and environmental measurements, Vaisala provides rugged, versatile outdoor transmitters for dependable performance in any climate. Designed for long-term stability, these sensors deliver accurate data on outdoor and ambient conditions.

GMP252

Carbon Dioxide Probe with DTR250 Radiation Shield

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide

Output Options

4…20 mA
0…10 V
Modbus RTU

Details

CO2 measurement ranges: 0…2000/3000/5000 ppm
Accuracy ±40 ppm at 400 ppm CO2

Datasheet

HMS110 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20mA
0…10 V
Modbus RTU

Details

Ingress protection IP65
Accuracy ±0.2°C (±0.36 °F)
Calibration certificate included

Datasheet

HMS82/83 & TMS82/83

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA
0…10 V

Details

Ingress protection IP65
Accuracy ±3% Rh, ±0.3 °C (±0.54 °F)

Datasheet

WXT530 Series

Weather Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Air pressure
Temperature
Humidity
Rainfall
Wind speed
Wind direction

Output Options

Modbus RTU

Details

Accuracy ±0.5 hPa, ±0.3 °C (±0.54 °F), ±3% Rh, ±3% at 10 m/s

Datasheet

HMS110 Series

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20mA
0…10 V
Modbus RTU

Details

Ingress protection IP65
Accuracy ±0.2°C (±0.36 °F)
Calibration certificate included

Datasheet

HMS82/83 & TMS82/83

Humidity and Temperature Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

4…20 mA
0…10 V

Details

Ingress protection IP65
Accuracy ±3% Rh, ±0.3 °C (±0.54 °F)

Datasheet

WXT530 Series

Weather Transmitters

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Air pressure
Temperature
Humidity
Rainfall
Wind speed
Wind direction

Output Options

Modbus RTU

Details

Accuracy ±0.5 hPa, ±0.3 °C (±0.54 °F), ±3% Rh, ±3% at 10 m/s

Datasheet

GMP252

Carbon Dioxide Probe with DTR250 Radiation Shield

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Carbon dioxide

Output Options

4…20 mA
0…10 V
Modbus RTU

Details

CO2 measurement ranges: 0…2000/3000/5000 ppm
Accuracy ±40 ppm at 400 ppm CO2

Datasheet

Handheld Meters

For Spot-Checking and Calibration

Vaisala’s Indigo80 handheld meter is an industrial-grade diagnostic tool designed for spot-checking, calibration, and process monitoring. It supports dual-probe input and is compatible with Vaisala’s full range of Indigo smart probes for quick, accurate field measurements.

Indigo80

Handheld Indicator

Key Spec

±1.7%RH, ±0.2 °C

Features

Dual-probe, high-accuracy portable diagnostics and data logging tool. Log up to a month’s worth of measurement data.
Industry standard USB-C interface for data uploads and battery charging. Lithium-ion battery provides a typical operation time of 10 hours.
Robust, durable aluminum body is resistant to chemicals and dust.
Multilingual, menu-based user interface available in 10 languages. View live measurement data as numbers or graphs.
Intuitive user interface that guides the user if needed. Designed to be easy to use.

Operating Environment

Temperature −20 … +50 °C (−4 … +122 °F)
Humidity 20 … 85 %RH, when Ta ≤ +40 °C (+104 °F)

Max. Number of Connected Probes

Logging Interval

1 s … 12 h

Logging Duration

1 min … memory full

Alarm

Audible alarm function

Supported Languages

English, Chinese, Finnish, French, German, Italian, Japanese,
Portuguese, Spanish, Swedish

Datasheet

Compact Probes

Used with transmitters and loggers, or as miniature transmitters.

HMP110/113/115

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity

Output Options

0…1/0…2.5/0…5/1…5
VModbus RTU

Details

Accuracy ±1.5% Rh, ±0.1 °C (±0.18 °F)
Stability ±0.5 %Rh / year
M8 4-pin connector
IP65 (stainless steel), IP54 (plastic)
Calibration certificate

Datasheet

HMP60/63

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

0…1/0…2.5/0…5/1…5V
Modbus RTU

Details

Accuracy ±3% Rh, ±0.5 °C (±0.9 °F)
M8 4-pin connector
IP65 (stainless steel), IP54 (plastic)

Datasheet

TMP115

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

Modbus RTU

Details

Accuracy up to ±0.25 °C (±0.45 °F)
Range -196…+150 °C
IP67 (sensor tip), IP65 (probe body)
Sensor cable 3m
Calibration certificate

Datasheet

XMP10 Series

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity

Output Options

0…1/0…2.5/0…5/1…5 VModbus RTU

Details

RH accuracy options: ±1%, ±1.5 %
±2 % ±3 % RHT accuracy ±0.1 °C (±0.18 °F) Stability ±0.5 %RH / year
M8 4-pin connector
IP65 stainless steel / plastic options
Calibration certificate (except for 3 %RH models)

Datasheet

HMP110/113/115

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity

Output Options

0…1/0…2.5/0…5/1…5
VModbus RTU

Details

Accuracy ±1.5% Rh, ±0.1 °C (±0.18 °F)
Stability ±0.5 %Rh / year
M8 4-pin connector
IP65 (stainless steel), IP54 (plastic)
Calibration certificate

Datasheet

HMP60/63

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy

Output Options

0…1/0…2.5/0…5/1…5V
Modbus RTU

Details

Accuracy ±3% Rh, ±0.5 °C (±0.9 °F)
M8 4-pin connector
IP65 (stainless steel), IP54 (plastic)

Datasheet

XMP10 Series

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Relative humidity
Temperature
Dew point temperature
Wet bulb temperature
Enthalpy
Mixing ratio
Absolute humidity

Output Options

0…1/0…2.5/0…5/1…5 VModbus RTU

Details

RH accuracy options: ±1%, ±1.5 %
±2 % ±3 % RHT accuracy ±0.1 °C (±0.18 °F) Stability ±0.5 %RH / year
M8 4-pin connector
IP65 stainless steel / plastic options
Calibration certificate (except for 3 %RH models)

Datasheet

TMP115

Used with transmitters and loggers, or as miniature transmitters.

Key Spec

±1.7%RH, ±0.2 °C

Output Parameters

Temperature

Output Options

Modbus RTU

Details

Accuracy up to ±0.25 °C (±0.45 °F)
Range -196…+150 °C
IP67 (sensor tip), IP65 (probe body)
Sensor cable 3m
Calibration certificate

Datasheet

Vaisala HVAC Transmitters

Excellence in Measurement. Engineered for Performance.

Why Choose Vaisala HVAC Transmitters

Room Transmitters

Accuracy that lasts

GMW90 Series

Key Spec

Output Parameters

Output Options

Details

GWM83/84/86

Key Spec

Output Parameters

Output Options

Details

HMW82/83

Key Spec

Output Parameters

Output Options

Details

HMW90 Series

Key Spec

Output Parameters

Output Options

Details

TMW82

Key Spec

Output Parameters

Output Options

Details

TMW90 Series

Key Spec

Output Parameters

Output Options

Details

XMW85

Key Spec

Output Parameters

Output Options

Details

HMW82/83

Key Spec

Output Parameters

Output Options

Details

HMW90 Series

Key Spec

Output Parameters

Output Options

Details

TMW82

Key Spec

Output Parameters

Output Options

Details

TMW90 Series

Key Spec

Output Parameters

Output Options

Details

GMW90 Series

Key Spec

Output Parameters

Output Options

Details

GWM83/84/86

Key Spec

Output Parameters

Output Options

Details

Wall Transmitters

Perfect for Demanding Environments

GMW87/88

Key Spec

Output Parameters

Output Options

Details

HMT120/130 Series

Key Spec

Output Parameters