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  1. 421502
    421502
    Extech Instruments Thermometers, 421 Series
    Item Number
    421502
    MFG Item Number
    421502
    Series
    421
    Product Description
    J/K DUAL THERMOCOUPLE THERMOMETER
    Specifications
    Specifications
    Temp Range -328-1,922 °F
    Accuracy 0.05 %
    Laser Pointer No
    Backlight No
    RTD Input No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
  2. EA11A
    EA11A
    Extech Instruments Thermometers, 421 Series
    Item Number
    EA11A
    MFG Item Number
    EA11A
    Series
    421
    Product Description
    THERMOMETER.TYPE K EASYVIEW
    Specifications
    Specifications
    Temp Range -58-1,999 °F
    Accuracy 0.3 %
    Laser Pointer No
    Backlight Yes
    Thermocouple Type K
    RTD Input No
    Increase
    Decrease
    Availability
    Order by 5:00 PM ET and your package will ship the same day.
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Test & Measurement

Test and measurement equipment measure, detect and record values and conditions for machinery, equipment and work environments. These devices are often handheld, with straightforward operating characteristics and the durability needed to work in the field.

The primary electronics testing device is the digital multimeter (DMM), a test tool used to measure electrical values. The basic requirement of the multimeter is the ability to test voltage, current and resistance, but many modern digital multimeters offer greater functionality.

Standalone meters can measure any one variable at a time, sacrificing flexibility for lower costs. These include resistance meters, volt meters or volt pens, and more specific measurement devices like phase rotation testers, anemometers, distance meters and more. In many cases, improved technology, much of this equipment can provide non-contact measurements and even connect to smartphones or PCs to save data and transmit results over local networks.

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