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Amprobe AMC-3 Hand-Cranked Insulation Tester

by Amprobe

List Price: $824.95
Price: $684.78 & FREE Shipping. Details
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  • Insulation resistance meter measures insulation resistance on wires, cables, transformers, and electrical motors
  • Analog meter does not require external power source
  • Test voltage produced by hand-cranked constant voltage generator
  • Measures insulation resistance from 0 to 100 Megaohms with 1,000V DC test voltage and a low-resistance range that measures from 0 to 200 ohms with a 300mV DC test voltage
  • Guard terminal prevents surface leakage from affecting readings
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$684.78 & FREE Shipping. Details Only 2 left in stock (more on the way). Ships from and sold by Gift-wrap available.

Technical Details

  • Brand Name: Amprobe
  • Part Number: 2731072
  • UPC: 095969366175

Product Description

The Amprobe AMC-3 hand cranked insulation tester is an analog meter to measure insulation resistance on wires, cables, transformers, and electrical motors. The unit measures insulation resistance from 0 to 1,000 Megaohms using a 1,000V direct current (DC) test voltage. It also has a low-resistance range that measures from 0 to 200 ohms with a 300mV DC test voltage. The test voltage is produced by a hand-cranked constant voltage generator, so the unit never needs batteries. A guard terminal prevents surface leakage from affecting the instrument's readings. The AMC-3 is designed for use by electricians and electrical contractors.


Power supply Hand-cranked constant voltage generator
Insulation resistance range 0 to 100 Megaohms, 0 to 200 ohms
DC test voltage 300mV or 1,000V
Weight (including batteries) 2.5 lb./1.13kg
Dimensions 7 x 4 x 3.6 inches/177.8 x 101.6 x 92.1mm (H x W x D)

H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Electrical test meters report electrical circuit properties, such as voltage, resistance, capacitance, and continuity. Available in handheld or benchtop form, they detect electrical problems in equipment, wiring, and power supplies. A variety of probes, clamps, and leads can be used to connect the meter to a circuit or device. Single-function meters, such as battery testers and voltage testers, measure one property of a circuit, and multimeters measure multiple properties. Electrical test meters display information either in analog form using a needle that moves on a calibrated scale, or in digital form using digits or a graphic representation on an LED screen. Meters have electrical properties that are to be measured and the anticipated range of results, and should have a rating that is higher than the maximum value of the anticipated range. An electrical test meter has multiple settings corresponding to potential ranges of values for the properties it can measure. A manual ranging meter requires the operator to flip through different settings until the correct range is reached. An autoranging meter cycles through range settings automatically until it reaches the correct range.

Amprobe manufactures electrical testing equipment for commercial, industrial, and home use. The company was founded in 1948 and is headquartered in Everett, WA.

What’s in the Box?

  • AMC-3 Hand-Cranked Insulation Resistance Tester
  • (1) Set test leads
  • Carrying case
  • Instructions

Product Information

Technical Details
Part Number 2731072
Item Weight3.4 pounds
Product Dimensions7 x 3.6 x 4 inches
Item model numberAMC-3
Item Package Quantity1
Temperature Range0/40 °C
Display StyleLiquid Crystal Display (LCD) with 60 segment analog bar Indicator
Batteries Required?No
Additional Information
Best Sellers Rank #1,017,099 in Home Improvement (See top 100)
Shipping Weight3.4 pounds (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableJuly 9, 2011
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Amprobe AMC-3 Hand-Cranked Insulation Tester
This item: Amprobe AMC-3 Hand-Cranked Insulation Tester
Price: $684.78
Ships from and sold by
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