Temperature / Humidity Data Logger DR-20 Series series

  • 10 years Battery Life
  • Real-time Recording
  • Multi Use & Durable
  • LED Status Information
  • Max./Min./Hi-Lo Alarm
  • IP65 Dust & Splash Proof
  • Data-Logging up to 500,000 Readings


Transport and Logistics, Preservation of Foods and Fruits,
Long-term Record of Refrigeration and Fermentation Environment,
Storage and Delivery of Medical Drugs,
Record and Research of ecological environmental,
Warehousing, laboratories, museums, Dry Cabinet control.

Model No.※Please advise the specificatoin based on your individual needs.

DR-20 :
Temperature Data Logger (LED Status information)
DR-20D :
Temperature Data Logger (LCD Dislplay & LED Status information)
DR-22 :
Temperature / Humidity Data Logger (LED Status information)
DR-22D :
Temperature / Humidity Data Logger (LCD Dislplay & LED Status information)
DFC-201U :
USB Docking Station and Software (Features and Functions of DFC-201U, please refer to the next page)
Specifications of DR-20 Series(USB Docking station and Software, please refer to the DFC-201U or click here)
Model No. DR-20 DR-20D DR-22 DR-22D
Measuring range Temperature: -40~+85°C
(-40~+185 °F)
Temperature : -40~+85°C (-40~+185 °F)
Humidity: 0~100% RH
Dew Point: -70~+85°C (-94~+185 °F)
*Displayed in software
Resolution Temperature: 0.1°C (0.1°F) Temperature: 0.1°C (0.1°F);Humidity: 0.1%RH
Accuracy ±0.5°C (±0.9°F) ±0.5°C (±0.9°F) / ±3%RH
Memory 500,000 readings 250,000 readings each channel
Display LCD Display (DR-20D & DR-22D only) + LED Status information (Red & Green)
Sensor Precision semiconductor sensor
Sample Rate 1 second to 24 hours, selectable in software
Baud Rate 57600
Battery Life 10 years typical (15 minute recording rate with display off)
Main Functions Generic features: Real-Time, Software start / Button start / Delay start, IP65 Dust & Splash proof.Red LED alarm indicator, Green LED blinks to indicate device is action, Built-in S/N, Digital calibration.
Display type features: Display the value of temperature and humidity simultaneously; Max., Min., Hi/Lo Alarm setpoint ; Memory capacity and power indication.
*Funtions of software, please refer to the instructions of DFC-201U
Dimensions 80×53×16mm
Weight DR-20/DR-22 Approx. 54g , DR-20D/DR-22D Approx. 60g
Approvals RoHS ; CE ; IP65

※ Specifications are subject to change without notice