Testers & Monitors

Circuit design permits the instrument to operate with a minimum of influence from ground voltage and ground resistance of auxiliary ground spikes ...

Input 120 V, 60 Hz, 3 A rated at 500 VA Continuously adjustable output potential from 0 to 2500 VAC Indicator lamps for Power On, High Voltage On,...

Input 120 V, 60 Hz, 3 A rated at 500 VA Continuously adjustable output potential from 0 to 2500 VAC Indicator lamps for Power On, High Voltage On,...

Ideal for use in crowded connection boxes where space is too limited for traditional clamp meters Non-contact voltage detection True RMS AC curren...

Lightweight design connects with alligator clips and the instrument suspends from cable Local and remote continuity tester Probe flashes green or ...

Auto-ranging ground resistance and leakage current measurements 0.001Ω resolution for low resistance measurements 9999-count EBTN display Internal...

Enables non-contact measurements of ground conductors without the need for auxiliary ground spikes Auto-ranging ground resistance and leakage curr...

Employs stakeless ground loop testing and non-intrusive leakage current measurement, making it ideal for system troubleshooting in commercial, ind...

Measures ground resistance from 0.025 Ω to 1550 Ω Measures ground leakage current form 0.2 mA to 35 A Induces test current into system without dis...

Compatible with the majority of standard household batteries Analog scale displays the capacity of the battery instantly (Replace, Low, Good) No b...

Quickly indicates if batteries are "good, "low or "replace" Test standard and rechargeable batteries: 9V, AA, AAA, C, D, 1.5V button type Ergonomi...

High-volume testing and fleet use Tests 6/12 V batteries 1000 Amp load; tests batteries up to 2000 cold cranking amps Built in LCD Digital Voltmet...

Designed with highest quality and versatility Easy‐to‐read LED Voltmeter and Ammeter 500 Amps safety clamps with “Flexi‐Spring” and patented side ...

Designed with highest quality and versatility Easy‐to‐read LED Voltmeter and Ammeter 500 Amps safety clamps with “Flexi‐Spring” and patented side ...

Test batteries up to 1200 CCA Fine threaded shaft for fine adjustment Temperature compensation chart Easy to read digital voltmeter and ammeter co...

High-volume testing and fleet use Tests 6/12 V batteries 1000 Amp load; tests batteries up to 2000 cold cranking amps Cools with high RPM fan for ...

High-volume testing and fleet use Tests 6/12 V batteries 1000 Amp load; tests batteries up to 2000 cold cranking amps Cools with high RPM fan for ...

Tests for defective alternator diodes including GM trio test Performs complete battery test 125 Amp load checks state of charge Searches for exces...

Full 125 Amp load Tests 12 Volt and 24 Volt batteries (DUAL LOAD) alternators and starters on all types of vehicles Patented Specifications Displ...

Full 125 Amp load tests 12 Volt batteries, alternators and starters on all type of vehicles Patented Specifications Display Type: Digital Additio...

60 A load to test smaller batteries: CCA and Amp hours 125 A load to fully test larger batteries: CCA and Amp hours 125 A clamps offer greater fle...

Full 125 Amp load tests 12 Volt and 24 Volt Batteries, alternators and starters on all types of vehicles Durable and build for safety Patent pendi...

It is essential to know the concentration and freezing point of anti-freeze coolants for vehicular safety -- Keeping a suitable concentration of c...

It is essential to know the concentration and freezing point of anti-freeze coolants for vehicular safety. Keeping a suitable concentration of coo...