All Vaisala products ​are protected by full, 12-month warranty coverage as the standard minimum, with selected products being covered for up to 24 months. Standard repair lead times apply unless otherwise agreed.

With any inquiries regarding warranty claims, technical support, repairs, calibrations or spare parts, please contact us.

1-year warranty

HPP272 Vaporized Hydrogen Peroxide, Humidity and Temperature Meter


24-month warranty

24 months warranty

These products have 24 months warranty

Carbon Dioxide Instruments

GM20 Series Carbon Dioxide Transmitters
GM70 Hand-Held Carbon Dioxide Meter & Probes
GMK220 CO2 Calibration Unit
GMM110 Carbon Dioxide Modules      
GMM220 Carbon Dioxide Transmitters
GMP231 Carbon Dioxide Probe
GMP343 Carbon Dioxide Probe
GMT220 Carbon Dioxide Transmitters
GMW80 Carbon Dioxide and Temperature Transmitters
GMW90 Carbon Dioxide, Temperature & Humidity Transmitters
GMW110 Carbon Dioxide Transmitters
GMW116 Carbon Dioxide Transmitters
GMP251 CO₂ Probe
GMP252 CO₂ Probe

Dissolved Gas in Oil instruments
Optimus™ DGA Monitor OPT100

Humidity Instruments   
HM40 Humidity and Temperature Meter
HM70 Hand-Held Humidity Meter & Probes      
HMD60/70 Humidity Transmitters
HMDW110 Humidity and Temperature Transmitters
HMD/W80 Humidity Transmitters
HMM100 Humidity Module     
HMI41 Humidity Indicator & Probes             
HMK15 Humidity Calibrator 
HMM105 Humidity Module
HMP4, HMP5, HMP7 & HMP8 Humidity and Temperature Probes   
HMP60/110 Humidity & Temperature Probes
HMP63/113 Humidity and Temperature Probes
HMP155 Meteorological Humidity Probes      
HMT120/130 Humidity & Temperature Transmitter
HMT330 Humidity And Temperature Transmitter
HMT300TMK Turbine Mounting Kit
HMT310 Humidity & Temperature Transmitters
HMT330MIK Meteorological Installation Kit
HMT330WPA Warmed Probe Accessory
HMT360 Humidity & Temperature Transmitters (Ex)
HMW90 Humidity Transmitters        
SHM40 Structural Humidity Measurement Kit
Dewpoint Instruments  
DM70 Hand-Held Dewpoint Meter & Probes
DMT132 Dewpoint Transmitters
DMT143 Dewpoint Transmitters      
DMT152 Dewpoint Transmitters      
DMT242 Dewpoint Transmitters
DMT340 Dewpoint Transmitters
DPT145 Multiparameter Transmitter
DPT146 Dewpoint and Pressure Transmitters 
DMT143L Miniature Dew Point Transmitters      
Moisture In Oil Instruments    
MM70 Hand-Held Moisture In Oil Meter & Probes
MMT162 Moisture In Oil Transmitters
MMT310 Moisture In Oil Transmitters      
MMT330 Moisture In Oil Transmitters
Pressure instruments

PDT101/102 Differential Pressure Instruments
PTB110 Barometer
PTB210 Digital Barometers      
PTB330 Digital Barometers      
PTB330TS Transfer Standard      
PTU300 Transmitters
Vaisala Veriteq Continuous Monitoring System and Vaisala Veriteq Validation/Mapping System hardware (data loggers and communication devices)
Indigo 200 Series Transmitters

The 24 month program has been in effect since July 1, 2011 and the warranty is applied to selected products listed above.

5-year warranty

MHT410 Moisture, Hydrogen and Temperature Transmitter for Transformer Oil​​

10-year warranty

The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 features best-in-class proven reliability. As a result, we offer a 10-year warranty on new HMT330 transmitters that are calibrated annually at the Vaisala Service Center. This warranty program is available to all customers for units purchased from January 2014 onwards and requires no sign-up.

Extended Warranty

An extended warranty from Vaisala extends the coverage of the factory warranty over an agreed period, guaranteeing optimal system performance and eliminating costly and inconvenient delays caused by repair or replacement quotation and approval processes.

For more details on Vaisala warranty services, or if you are interested in customized or long-term warranty and priority service scheduling, please contact Vaisala Sales to discuss your needs.