Vaisala HM40 Hand-Held Humidity & Temperature Meter

Features

  • Humidity measurement range 0 …100 %RH
  • Temperature measurement ranges -40 … +100 °C (-40 … +212 °F), depending on the probe model. The HM46 model can measure up to +180 °C (+356 °F) for a short period of time.
  • Incorporates proven Vaisala HUMICAP sensor technology.
  • Calibration reminder function
  • Probes can be user calibrated using an on-site reference
  • The graphical display indicates when the measurement has stabilized
  • Hold-button to freeze the screen and save the reading
  • Multilingual user interface available in 10 languages (EN, DE, FR, JA, ZH, PT, ES, RU, FI, SV)
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Vaisala HM40 offers top-notch environmental sensors for temperature, humidity, pressure, dew point, CO2, and more. Dpstar, a trusted distributor, supplies these sensors for industrial processes and research. Vaisala, with 80 years of expertise, is a global leader in environmental and industrial measurement, providing reliable products and services worldwide.

Vaisala HUMICAP HM40 Handheld Humidity Meter is compact, portable, and user-friendly. It’s perfect for quick checks in various environments, offering reliable measurements for different applications. From assessing moisture in structures to monitoring humidity in industrial processes, it’s versatile and comes in four models: HM41, HM42, HM45, and HM46.

Dimensions

HM41 Series

HM42 Series

HM45 Series

HM46 Series

Benefits

  • Compact, portable, and easy to use
  • Versatile meter with wide measurement range and multiple calculated parameters
  • Ideal for spot-checking in a wide variety of applications

Simple and Easy to Use

Vaisala HM40 features a large, easy-to-read display and simple push buttons. It offers a user-friendly interface in 10 languages and allows for customizable settings. Along with measuring humidity and temperature, it provides five additional humidity parameters in both metric and non-metric units. Powered by 2 AA batteries, it also offers the option for rechargeable batteries and a USB charger. Each model includes a convenient belt clip and case.

Easy Recalibration

Calibrating Vaisala HM40 is easy. The meter or the probe can be sent to a Vaisala Service Center for recalibration. Alternatively, calibration can be completed on-site by users with a humidity reference such as another hand-held meter or Vaisala Humidity Calibrator HMK15. The indicator includes a calibration reminder function that can be activated by the user.

Specification

HM41 Series
Humidity Measurement Accuracy (Including Non-linearity, Hysteresis, and Repeatability)
At 0 … +40 °C ±1.5 %RH (0 … 90 %RH)
±2.5 %RH (90 … 100 %RH)
At -10 … 0 °C and +40 … +60 °C ±3.0 %RH (0 … 90 %RH)
±4.0 %RH (90 … 100 %RH)
Humidity sensor HUMICAP 180R
Temperature measurement range -10 … +60 °C (+14 … +140 °F)
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
Measurement probe Interchangeable HMP113 probe
Probe material PC/ABS plastic blend (white)
IP rating IP54
Weight (with alkaline batteries) 230 g (8.1 oz)
Filter material PC (glass-reinforced)
HM42 Series
Humidity Measurement Accuracy (including Non-linearity, Hysteresis, and Repeatability)
At 0 … +40 °C ±1.5 %RH (0 … 90 %RH)
±2.5 %RH (90 … 100 %RH)
At -40 … 0 °C and +40 … +80 °C ±3.0 %RH (0 … 90 %RH)
±4.0 %RH (90 … 100 %RH)
At +80 … +100 °C ±4.0 %RH(1)
Humidity sensor HUMICAP 100R-Mini
Temperature measurement range -40 … +100 °C (-40 … +212 °F)
Temperature sensor Pt1000 RTD Class F0.3 IEC60751
Measurement probe HM42PROBE
Probe head material Stainless steel
IP rating IP40 (probe), IP54 (indicator)
Weight (with alkaline batteries) 370 g (13.1 oz)
Filter material Stainless steel and PTFE membrane
Probe cable length 1500 mm (59 in)
(1) Not recommended for Td > 85 °C
HM45 Series
Humidity Measurement Accuracy (Including Non-linearity, Hysteresis, and Repeatability)
At 0 … +40 °C ±1.5 %RH (0 … 90 %RH)
±2.5 %RH (90 … 100 %RH)
At -40 … 0 °C and +40 … +60 °C ±3.0 %RH (0 … 90 %RH)
±4.0 %RH (90 … 100 %RH)
Humidity sensor HUMICAP 180R
Temperature measurement range -40 … +60 °C (-40 … +140 °F)
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
Measurement probe Interchangeable HMP113 with HM40HANDLE
Probe material PC/ABS plastic blend (white)
IP rating IP54
Weight (with alkaline batteries) 330 g (11.6 oz)
Filter material PC (glass-reinforced)
Probe cable length 1200 mm (47 in)
HM46 Series
Humidity Measurement Accuracy (Including Non-linearity, Hysteresis, and Repeatability)
At 0 … +40 °C ±1.5 %RH (0 … 90 %RH)
±2.5 %RH (90 … 100 %RH)
At -40 … 0 °C and +40 … +80 °C ±3.0 %RH (0 … 90 %RH)
±4.0 %RH (90 … 100 %RH)
At +80 … +100 °C ±4.0 %RH
Humidity sensor HUMICAP 180R
Temperature measurement range -40 … +100 °C (-40 … +212 °F), shortterm up to +180 °C (+356 °F)
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
Measurement probe HM46PROBE
Probe head material Stainless steel, brass filter
IP rating IP40 (probe), IP54 (indicator)
Weight (with alkaline batteries) 490 g (17.3 oz))
Filter material Sintered brass
Probe cable length 1500 mm (59 in)
(1) Not recommended for Td > 85 °C

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