Extech 42270 Temperature/Humidity Datalogger
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Description
The Extech 42270 Temperature/Humidity Datalogger is a reliable and versatile instrument designed for precise monitoring and recording of temperature and humidity levels in various environments, including industrial, laboratory, and environmental applications. This datalogger features a large LCD display that shows real-time temperature and humidity readings, as well as logging status and battery life. It can store up to 16,000 readings for each parameter, providing extensive data logging capabilities. The Extech 42270 is equipped with a USB interface for easy data transfer to a computer, where the included software enables detailed analysis and reporting. The device offers programmable sampling rates and alarm thresholds, allowing users to customize monitoring to suit their specific needs. Its compact and durable design ensures it can withstand demanding conditions, making it an essential tool for long-term environmental monitoring.
Specifications:
- Measurement Range:
- Temperature: -40 to 85°C (-40 to 185°F)
- Humidity: 0 to 100% RH
- Accuracy:
- Temperature: ±0.6°C (±1.0°F)
- Humidity: ±3% RH (10 to 90% RH)
- Resolution:
- Temperature: 0.1°C/°F
- Humidity: 0.1% RH
- Display: Large LCD
- Data Logging:
- Internal memory stores up to 16,000 readings for temperature and 16,000 readings for humidity
- Programmable sampling rate from 1 second to 2 hours
- Temperature Units: Selectable (°C/°F)
- Interface: USB for data transfer
- Power Source: 3.6V lithium battery (included)
- Dimensions: 126 x 28 x 22 mm (5 x 1.1 x 0.9 inches)
- Weight: 59 g (2.1 oz)
- Additional Features:
- Programmable high/low alarm thresholds with audible alerts
- Max/Min/Avg readings with timestamp
- Data Hold function
- Auto power off with disable function
- LED status indicators for logging and battery life
- Compact and rugged design for durability
- Includes software for detailed data analysis and reporting on a PC
- User-friendly interface with simple setup and operation
The Extech 42270 Temperature/Humidity Datalogger is an ideal tool for professionals who require accurate and comprehensive environmental monitoring, offering robust performance and ease of use in a variety of applications.
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Laboratory Calibration
Micro Precision operates 36 laboratories globally providing reliable localized support
- Certified metrologists staffing laboratories in North America, Central America, South America, Europe, Asia, and the Middle East
- Comprehensive scopes of accreditation to meet a broad range of customer needs
- Expedited calibration services available
- Pickup and delivery services available
- Environmentally controlled facilities to ensure high quality and accurate calibrations and measurements.
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Quality Certified Test Equipment Repair Services
When a piece of equipment fails you have the option to repair or replace that item. Oftentimes repair is an economical and efficient solution. Micro Precision’s repair offering provides advantages to our customers:
- Cost effective; often less than OEM
- Efficient; often much better turn-time than the OEM
- Flexibility; willingness to work with customers to meet their needs
- Warranted repairs
- Ability to service many obsolete instruments
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Cost Effective Test Equipment Options
From the leasing of specialized electronic equipment for a specific task, to the purchase of physical and dimensional tools, we offer leasing services as well as used test equipment sales. We also locate hard-to-find electronics, and provide flexible options to meet ever-changing equipment needs.
Our Capabilities
Micro Precision can perform instrument calibration services on equipment from variety of applications for specific industries and lines of business. If you have a calibration need that is not listed in this area, please contact us.
Electrical
Micro Precision accredited electrical calibration lab services with multimeter, multifunction calibrator, oscilloscope, and power supply capabilities.
Optical
Micro Precision accredited optical, light, and fiber optic calibration lab services.
Thermodynamics & Chemical
Micro Precision accredited thermodynamic & chemical calibration lab services with temperature, humidity, life science, and pharma capabilities.
RF - Microwave
Micro Precision accredited RF & microwave calibration lab services.
Mechanical & Dimensional
Micro Precision accredited mechanical and dimensional calibration lab services with pressure, torque, force, flow, velocity, and aircraft jack load capabilities.
Laboratory Standards
Calibration laboratory standards are critical for your organization’s most accurate measurements.
Semiconductor Calibration
Micro Precision utilizes state-of-the-art technology to analyze semiconductor wafer thickness and step height.


