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Extech 42270 Temperature and Humidity Data Logger

Temperature/Humidity Datalogger

Extech Compact Logger Measuring and Recording Temperature and Humidity

Part Number: 42270

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  • -40°C to 85°C and 0 to 100% RH Measurement Range

  • Stores up to 16,000 Total Readings Before Download to PC Required

  • 1 Second to 2 Hour User-Programmable Sampling Rate

  • Docking Station with USB Cable Connects to PC Computer for Setup, Configuration and Downloading of Data

  • User-Replaceable 1/2 AA Lithium Batteries with 1 Year Typical Life

  • Available as a Kit with a USB Docking Station, USB Cable and Software (42275)

Availability: In stock


All Calibration Orders Have a 7 to 10 Business Day Lead Time
1 Year Calibration Due Date Unless Otherwise Specified


Extech 42270 Temperature and Humidity Data Logger Specifications

Temperature Measurement Range: -40°F to 185°F (-40°C to 85°C)
Accuracy: ±0.6°C (±1.0°F)
Resolution: 0.1°C (0.2°F)
Humidity Measurement Range: 0 to 100% RH
Accuracy: ±3.0% RH
Resolution: 0.1%
Sampling Interval 1 Second to 2 Hours (Software Programmable)
Start Options Immediate, Scheduled or Magenetic
LCD Display High/Low, Single, Consecutive and Cumulative Alarm Events, OK/ALERT Indicators
Data Storage Capacity 16,000 Total Readings (8,000 Temperature Readings and 8,000 Humidity Readings
Alarms High/Low Limits with Alarm Indication
Power Source 1/2 AA 3 Volt Lithium Battery
Battery Life Aproximately 1 Year - Typical Usage
OS Compatibility Windows 8, 7, Vista (32-Bit) and XP SP3 (32-Bit) Compatible
Standards Compliance CE
Weight 72.6 grams (2.6 oz)
Dimensions 7.6cm x 5.72cm x 2.23cm (3.0" x 2.3" x 0.88")

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