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Klein Tools ET05 digital pocket thermometer with backlit display and protective sheath handle

Digital Pocket Thermometer

SKU CH-6TPQ-05ZJJ

A pocket thermometer with backlit display, Fahrenheit and Celsius selection, and a measurement range of -40 to 482 °F

  • TypePocket Thermometer; 2 x LR44 Batteries
  • ColorMulti
  • Switch between °F and °C for versatile temperature readings
  • Measure from -40 to 482 °F for broad HVAC and kitchen tasks
  • Backlit display lets you read results in dim conditions
  • Max, Min, Hold and Average functions capture key data points
  • Rugged pocket design with sheath handle extends reach for safe use

Digital Pocket Thermometer HVAC Tool

The ET05 is a compact digital thermometer built for HVAC field service teams. It measures ambient and direct-contact temperatures in Fahrenheit and Celsius scales. A protective sheath doubles as a handle to extend reach during readings. The rugged, portable design suits professionals who need quick data on the job.

Power and Operation Requirements

The unit runs on two LR44 batteries included in the package. An auto-power-off feature conserves energy when the tool is not in use. The backlit display enables clear viewing in low-light environments without extra lighting equipment. No external power source or computer connection is required for operation.

Suited for Trade Professionals Not Medical Use

This thermometer is intended for HVAC technicians and maintenance workers who need instant temperature checks. It is not designed for use on people or animals and does not meet medical device standards. Buyers who need clinical-grade accuracy or body-temperature monitoring should look at a different class of instrument.

Highlights

  • Switch between °F and °C for versatile temperature readings
  • Measure from -40 to 482 °F for broad HVAC and kitchen tasks
  • Backlit display lets you read results in dim conditions
  • Max, Min, Hold and Average functions capture key data points
  • Rugged pocket design with sheath handle extends reach for safe use

Specifications

TypePocket Thermometer; 2 x LR44 Batteries
ColorMulti

Questions about this item

How accurate is the reading when the probe stays in a steady room-temperature environment all day?

The specification lists a room-temperature accuracy of ±2.7 °F (±1.5 °C), so sustained use at stable ambient conditions will stay within that tolerance.

Does the backlit display or continuous operation cause noticeable heat or battery drain during a full work shift?

The unit runs on two LR44 cells and auto-powers off after a period of inactivity; no heat or noise is produced, and battery life is sufficient for extended daily use.

What power source must I have on hand before the thermometer will work out of the box?

It requires two LR44 button-cell batteries, which are not included, so you need to supply them yourself.

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