HN-EH Series Palm-Sized Temperature/Humidity Meter

HN-EH series is palm-sized temperature/humidity meter with easy operation, and excellent responsiveness comes in cost-effectiveness. Sensor and display all-in-one unit, and sensor and display separated probe unit are available for various applications.

  • Good responsiveness for temperature and humidity.
  • Small, lightweight and portable, and easy manipulation one-touch operation.
  • Easily detachable sensor unit
  • Shaft set is available for measuring at heights.



Models Types
HN-EHBN Basic type All-in-one unit
HN-EHSN Standard type All-in-one unit
HN-EHSP Probe unit
HN-EHSP-B Standard type probe unit with shaft set for measuring at heights
HN-EHX1 Shaft for measuring at heights for EHN-EHSP
HN-EH9N Detachable sensor unit


All-in-one unit Probe unit
Sensor Temperature…Thermistors
Humidity…Highpolymer capacitance type sensor
Working Temperature Temperature -10 to 45°C -20 to 70°C
Humidity Relative humidity 5 to 95%RH (No dew condensation)
Dew-point temperature -35 to 55°C (standard type only)
Measurement Resolution Temperature・・・0.1°C
Relative humidity・・・0.1%RH
Accuracy rating Temperature ±0.5°C±1digit (at 5 to 45°C)
±1.0°C±1digit(at -10 to 5°C)
±0.5°C±1digit(at 5 to 45°C)
±1.0°C±1digit(at -20 to 5°C and 45 to 70°C)
Humidity ±2.5%RH ±1digit (at 5 to 90%RH)
±3.5%RH ±1digit (at 90 to 95%RH)
Responsiveness Temperature 40sec. or less (under 0.5m/s ventilation, at Approx. 50°C→25°C step)
Humidity Within 40sec. (Stable at 25°C, under 0.1m/s ventilation, at Approx. 30%RH→50%RH step)
Display LCD digital display
Temperature, Relative humidity, Dew-point temperature (only for standard type), unit, function status display, battery life indicator
Display Update Interval 1.0sec.
Battery AAA (R03) alkaline battery, 2 pieces
Battery Life Approx. 500 hours (at 25°C)
CE Marking EN61326-1/Class B
Influence value under EMC environment
Temperature ±0.5°C or less, Humidity ±2.5%RH (at 25°C±3°C)
Dew-point temperature ±2.0°C or less (at 25°C, 50%RH)
Weight Approx. 92g (exclude batteries) Approx. 130g (exclude batteries)