Does this have a calibration certificate? Maybe isn't good enough, i need to know for sure.

No, it doesn't come with one. The unit is too cheap for a calibration certificate to be effective.

Does this come calibrated?

As it’s new I’d say it should be. I have my own test box and when testing the readings are spot on.

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Megohmmeter, Insulation Resistance Tester Multimeter, 4000 Megohm Resistance, 125V/250V/500V/1000V Test Voltage, Klein Tools ET600

Megohmmeter, Insulation Resistance Tester Multimeter, 4000 Megohm Resistance, 125V/250V/500V/1000V Test Voltage, Klein Tools ET600

Product ID: 171645396

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Details

Brand
KLEIN TOOLS
Power source
Battery
Style
Classic
Colour
orange
Item weight
1.4 Pounds

⚡4000MΩ max insulation resistance

📏True RMS tech for 98% accuracy

🔋Battery powered with 6 AA included

Description

⚡ Stay ahead with precision power testing!

PRO GRADE ACCURACY - True RMS technology ensures 98% measurement accuracy for reliable diagnostics.
SAFETY FIRST DESIGN - CAT III 1000V & CAT IV 600V rated with warning alarms and high voltage icons.
EFFORTLESS OPERATION - Lock and DC test buttons simplify complex insulation resistance measurements.
POWERFUL INSULATION TESTING - Test up to 4000MΩ at 125V-1000V DC for ultimate precision.
VERSATILE MEASUREMENT MODES - Measures AC/DC voltage up to 1000V, low resistance, and continuity seamlessly.

The Klein Tools ET600 Megohmmeter is a professional-grade insulation resistance tester offering up to 4000MΩ measurement at multiple DC voltages (125V, 250V, 500V, 1000V). Featuring True RMS technology for 98% accuracy, it supports AC/DC voltage testing up to 1000V and includes safety-rated CAT III/IV test leads, warning alarms, and a lock function for hands-free testing. Powered by 6 AA batteries and housed in a durable ABS/polycarbonate case, it’s designed for reliable, on-the-go electrical diagnostics.

Specifications

Manufacturer	Klein Tools
Part number	ET600
Item Weight	635 g
Product Dimensions	25.4 x 5.08 x 11.43 cm; 635.03 g
Batteries	6 AA batteries required. (included)
Item model number	ET600
Colour	orange
Style	Classic
Material	ABS, polycarbonate, electrical components
Power source type	Battery Powered
Item Package Quantity	1
Measurement Accuracy	98%
Specification met	CAT III 1000V, CAT IV 600V
Special Features	Lock button for insulation resistance testing
Included components	Insulation Resistance Tester, CAT III/CAT IV Safety Rated Test Leads, Heavy-duty Alligator Clip Test Leads, Batteries, Carrying Case, and Instruction Manual
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Alkaline

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NT$14688

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