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Red handheld digital multimeter with LCD backlit display and test leads

TENMARS ELECTRONICS

TENMARS ELECTRONICS TM-82 Digital Multimeter CAT IV 600V electrician tool

SKU CH-K1KM-1SP8M MPN TM-82

CAT IV 600V digital multimeter measures AC and DC voltage to 600 V, resistance to 20 MΩ, and temperature from -40 °C to 800 °C with continuity buzzer, diode test, backlit LCD, and auto power off

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • CAT IV 600V safety rating protects against high-energy transients
  • Backlit LCD with 1999-count resolution for clear readings in low light
  • Measures temperature from -40 °C to 800 °C with ±(2%+3) accuracy
  • Auto power-off after 15 minutes extends battery life
  • Data hold, range hold and max functions freeze or capture readings instantly

Professional electrician tool for CAT IV

The TENMARS TM-82 digital multimeter meets CAT IV 600V and CAT III 1000V overvoltage ratings for demanding electrical work. It measures AC and DC voltage up to 600V, resistance across six ranges, plus diode and continuity tests. A temperature function covers -40 to 800°C with a supplied adapter. The 1999-count LCD includes a backlit display for low-light conditions.

Simple setup with standard accessories

The meter ships in a carrying case with test leads, a manual and a T10 temperature adapter so you can start testing immediately. Auto-ranging is not present; you select the range manually and can lock it with the Range Hold button. Data Hold freezes the reading on screen while Max captures the highest value. Auto power off activates after 15 minutes to preserve the user-supplied battery.

Steady readings during extended sessions

Sampling runs at 2.5 readings per second, giving a stable view of slowly changing signals rather than fast transients. DC voltage accuracy is specified at ±(0.8%+1) and AC voltage at ±(1.5%+3), with resistance at ±(1.0%+3). Temperature accuracy holds to ±(2%+3)°C. The CAT IV rating remains valid for continuous use on permanent installations. Buyers needing current measurement or capacitance ranges should choose a different model.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $77.99
Cheaper than about 63% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameTENMARS
Model nameTM-82
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

How do I confirm the TM-82 is measuring correctly after setup?

Select a known voltage source within the 0.1 mV to 600 V DC range and verify the reading falls within the stated ±(0.8%+1) accuracy on the 1999-count backlit LCD.

What accessories come with the TM-82 and what must I supply?

The box includes a carrying case, test leads, a T10 temperature adapter and the manual; a 9 V battery is not included and must be purchased separately.

Which measurement ranges on the TM-82 cover typical mains and temperature tasks?

The meter offers AC/DC voltage up to 600 V (CAT IV), resistance ranges from 200 Ω to 20 MΩ, and temperature from -40 °C to 800 °C for heating and refrigeration work.

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