HOBO Temperature/Relative Humidity Data Logger

Part # H08-003-02
This product is discontinued.


A two-channel data logger with internal temperature and user-replaceable relative humidity sensors, which can record up to 7,943 measurements.

Highlighted Features

  • 8-bit resolution
  • Programmable start date/time
  • Programmable sampling rate (0.5 second to 9 hours)
  • Memory modes: Stop when full or wrap-around when full
  • User-replaceable battery lasts 1 year (typical)
  • Battery level indication at launch
  • Blinking LED confirms operation
  • Non-volatile memory retains data even if battery fails
  • NIST-Traceable temperature accuracy certification available
  • Compliance certificate available

In what environment does this data logger operate?

This data logger operates in an indoor environment.

What measurements does this data logger support?

The H08-003-02 data logger supports the following measurements: Relative Humidity and Temperature

The country of origin for this product is the United States. To see the full specifications for this product, please see our product manual found under the documentation tab if available.

Operating range (logger): -20°C to +70°C (-4°F to +158°F), 25 - 95% RH non-condensing
Time accuracy: approx. ±1 minute per week (±100 ppm at +20°C or +68°F), full dependance shown in manual
Measurement capacity: 7944 measurements total, stored in non-volatile memory
Size: 2.4" x 1.9" x 0.8"
Weight: approximately 1 oz.
Battery: CR-2032 (lithium) user-replaceable
Battery life (continuous use): 1 year
Storage temperature: -40°C to +75°C (-40°F to +167°F)

Documentation for the H08-003-02