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CAT IV 600V, CAT III 1000V, Class 2, Double insulation
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Klein MM720. CAT IV 600V, CAT III 1000V, Class 2, Double insulation
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Check model MM720 and the included accessories on the maker’s page.
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Specifications checked November 5, 2026. Full product details
Klein Tools MM720 Digital Multimeter, TRMS Auto-Ranging, 1000V, Temp, Low Impedance
An auto-ranging true-RMS digital multimeter that measures up to 1000V AC/DC and 10A AC/DC, with temperature, capacitance, frequency, duty cycle, diode test, continuity and a low-impedance mode.
| Voltage | 1000V AC/DC, auto-ranging (600mV to 1000V ranges) |
|---|---|
| Current | 10A AC/DC (600µA to 10A ranges), 10A/1000V fuse protected |
| Resistance | 600Ω to 60MΩ, ±(1.2% + 5 digits) / ±(2.0% + 10 digits) |
| Capacitance | 60nF to 6000µF |
| Frequency and duty cycle | 1 Hz to 500 kHz; duty cycle 0.1-99.9% |
| Temperature | -40°F to 1832°F (-40°C to 1000°C) via thermocouple |
| Low impedance (LoZ) | Mode for eliminating ghost voltages |
| Display | 6000-count reverse-contrast LCD with optical sensor that auto-adjusts to ambient light |
| Extra functions | Diode test, audible continuity, min/max/relative, data hold, auto power-off |
| Batteries | 2 x AAA |
| Drop protection | 6.6 ft (2 m) |
| Ingress protection | IP42 |
| Safety rating | CAT IV 600V, CAT III 1000V, Class 2, Double insulation; conforms to UL 61010-1/-2-030/-2-033, certified to CSA C22.2 equivalents and EC EN 61010/61326-1 |
| Calibration | Accurate for one year |
| Size | 6.94 x 3.37 x 1.88 in (176.3 x 85.7 x 47.7 mm) |
| Weight | 12.2 oz (345 g) |
| Color | Orange/black |
From manufacturer documentation, checked November 5, 2026. Spotted an error? Tell us.
A credit-card-sized pocket digital multimeter with permanently attached test leads that measures AC and DC voltage to 600 V, microamps to 2000 µA, resistance, capacitance and frequency, plus built-in non-contact voltage detection.
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A True RMS digital multimeter for field service and electronics work, with a low-impedance mode, VFD-filtered voltage readings, capacitance, frequency and a Type K thermocouple input, rated CAT IV 300 V / CAT III 600 V.
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A 40,000-count True RMS industrial digital multimeter with VFD low-pass filtering, a LoZ ghost-voltage mode, CAT IV-600 V / CAT III-1000 V inputs and Bluetooth streaming to the FLIR METERLiNK app.
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