Micro-Ohmmeter Model 6240

The 10A Micro-Ohmmeter Model 6240 is a rugged, low resistance tester designed for both plant maintenance and field use. Utilizing a four-lead Kelvin method of testing, the Model 6240 Micro-Ohmmeter accurately measures very low resistance within 0.25%.

Resistance measurements are automatically calculated from 5 µΩ to 400 Ω with resolutions down to 1 µΩ. The Model 6240 has selectable test currents of 10 A, 1 A, 100 mA and 10 mA and includes a polarity reversal function. The Model 6240 is designed to conduct tests on both resistive and inductive material. Up to 99 measurements can be stored and printed directly to a printer or from a PC.

DataView® (included) allows you to configure the instrument, temperature-compensate the test results, store data, and print reports.

▶ Learn how to properly connect leads to AEMC® Instruments Micro-Ohmmeters (Models 6240, 6250 & 6255)

NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
Model Cat. # Description List Price Quantity/Status Distributor Stock Check
6240 2129.80 Micro-Ohmmeter Model 6240 (Kelvin Clips/Probes included) $3,610.00 In stock at factory. Find a Distributor
Model6240
Cat. #2129.80
DescriptionMicro-Ohmmeter Model 6240 (Kelvin Clips/Probes included)
List Price$3,610.00
In stock at factory. Find a Distributor

Model 6240 (with leads) - Cat. #2129.80: Includes extra large tool bag, optical USB cable, US 115 V power cord, (2) spare fuses (12.5A), 10 ft Kelvin Clips (10 A - Hippo , Cat. #1017.84) and 10 ft Kelvin Probes (1 A Spring loaded, Cat. #2118.73), NiMH rechargeable battery pack*, and USB thumb drive suppled with DataView® software and a user manual.

*Can be charged during operation

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Specifications
Measurement Range (5.0 to 3999 ) µΩ (4.0 to 39.99 ) mΩ (40.0 ­to 399.9) mΩ (400 to 3999) mΩ (4.0 to 39.99)  Ω (40.0 to 399.9) Ω
Resolution 1 µΩ 10 µΩ 100 µΩ 1 mΩ 10 mΩ 100 mΩ
Accuracy ±(0.25%R + 2ct)
Measurement Current 10.2 A ±2% 1.02 A ±2% 102 mA ±2% 10.2 mA ±2%
Open Voltage (4 to 6) V
Inductance 0.5 H Max
Voltage Measurement Indication
Measurement Range (0.01 to 3.999) mV (4 to 39.99) mV (40 to 399.9) mV (0.4 to 3.999) V (4 to 4.70) V
Resolution 1 µV 10 µV 100 µV 1 mV 10 mV
Current  Measurement Indication
Measurement Range (5.0 to 39.99) mA (40.0 to 399.9) mA (0.4 to 3.999) A (4 to 11.00) A
Resolution 10 µA 100 µA 1 mA 10 mA
General Specifications
Storage Memory 99 tests, supplied with DataView® software for download and reporting
Automatic Storage of Test Results Yes
Battery Rechargeable NIMH battery pack 6V, 8.5Ah.
Battery Life 10 A ≥ 850  tests with a duty cycle of 5 seconds on and 25s off
1 A ≥ 3500 tests with a duty cycle of 5 seconds on and 25s off
100 mA ≥ 4500 tests with a duty cycle of 5 seconds on and 25s off
10 mA ≥ 5000 tests with a duty cycle of 5 seconds on and 25s off
In standby mode Battery life 4 to 6 months
Dimensions (L x W x H) (10.70 x 9.76 x 7.18) in (272 x 248 x 182) mm
Weight 10 lbs (4.5 kg)
Operating Temperature (14 to 131) °F (-10 to 55) °C  & (10 to 85) % RH
Storage Temperature (without battery) (-40 to 158) °F (-40 to 70) °C & (10 to 90) % RH
Altitude Operating 2000 m
IP Rating IP 54 per IEC 60529 cover closed
Safety IEC/EN 61010-1 category III 50V, Pollution Degree 2

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