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ISO 9001 and 17025 Certified


Auto-Ohm 200 S2

DC Micro-Ohmmeter


This product is no longer in production.
  • 10 to 200 Amperes True Continuous DC Current
  • Automatic control of current rise and fall time
  • Digital Resistance Reading from 1 micro-ohm to 300 milli-ohms
  • Store and Display last 3 Readings
  • Weighs less than 21 lbs.

Auto-Ohm 200 S2



Auto-Ohm 200 S2

Technical Specifications

TYPE Portable micro-ohmmeter
PHYSICAL SPECIFICATIONS 16.8”W x 12.6”H x 12.0”D (42.7 cm x 32.0 cm x 30.5 cm); Weight: less than 25 lbs (11.4 kg)
INPUT POWER 100 – 240 Vac, 50/60 Hz
RESISTANCE READING RANGE 1 micro-ohm – 300 milli-ohms (1 micro-ohm resolution); Accuracy: ±1% reading, ± 1 count
TEST CURRENT RANGE Thermally-protected DC power supply, 10 Amperes – 200 Amperes
TEST DURATION 5 seconds – 120 seconds, selectable
DISPLAY 1-inch high back-lit LCD Screen (16 characters by 2 lines); viewable in bright sunlight and low-light levels
INTERNAL TEST RECORD STORAGE Stores and can display last 3 readings
COMPUTER INTERFACE RS-232C port (19,200 Baud) for factory calibration and diagnostics
SAFETY Designed to meet IEC61010 (1995), UL61010A-1, CSA-C22.2 standards
ENVIRONMENT Operating: -10˚C to 50˚ C (15˚F to +122˚ F); Storage: -30˚ C to 70˚ C (-22˚F to +158˚ F)
CABLES 30-foot (#1AWG) test cables, ground cable, power cord
OPTIONS Transportation case, 15-foot test cables, C-clamps, Handspike
WARRANTY One year on parts and labor
Specifications are valid at nominal voltage and ambient temperature of +25˚C (+77˚F).
Last updated on February 13, 2009