Extech Instruments UM200 User Manual page 2

Introduction
Thank you for selecting the Extech Model UM200. This device is shipped fully tested and calibrated
and, with proper use, will provide years of reliable service. This device is shipped fully tested and
calibrated and, with proper use, will provide years of reliable service. Please visit our website
(www.extech.com) to check for the latest version and translations of this User Manual, Product
Updates, Product Registration, and Customer Support.
Warning
Do not use the ohmmeter before you read the following instructions.
Do Not Plug in the AC adapter when the ambient temperature exceeds 45°C / 113°F.
Do Not charge the lithium battery when the ambient temperature exceeds 45°C / 113°F.

Do not attempt to connect to or measure any resistance (object) with voltage present.
Electrical potential (voltage) could cause damage to the ohmmeter.

Do not use the lithium battery to power anything but this instrument.

Do not soak or immerge the lithium battery in any liquid.

The lithium battery may explode if disposed of in Fire.

Recycled or disposed of the battery as directed by local regulations.

Do not expose the lithium battery to temperature higher than 60°C or 140°F.

Do not disassemble the lithium battery assembly.

Do not short circuit the lithium battery

Do not touch the battery if it is damaged.
Features

High 1μΩ resolution with a basic accuracy of 0.25%.

10A maximum test current.

Measurement of resistive and inductive materials.

Four terminal Kelvin measurement.

Manual or Auto Range. (There are 6 ranges of current measurement and 3 sub-ranges in
each current range.)

Programmable Hi-Lo alarm with memory of 20 sets of limits.

Hold function.

Cable length measurement (Feet or Meter).

Memory of 3,000 measurement data.

Large LCD (5-digit) with backlight.

Rechargeable lithium battery (3400mAH) and built-in charging circuit.

Low battery indication.

Low power consumption.

PC interface & software.
2 UM200-en-GB_V1.5 2/17