Specifications

Unpacking Inspection
Open the package case and take out the Meter. Check
the following items carefully to see any missing or
damaged part:
In the event you find any missing or damage, please
contact your dealer immediately.
Table of Contents
Title Page
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter Structure
Rotary Switch
Functional Buttons
Display Symbols
Measurement Operation
A. DC & AC Voltage Measurement
B. AC & DC Current Measurement
C. Test for Diodes & Continuity
D. Resistance Measurement
E. Power Charging
The Impedance Changeover Button
The POWER Button
General Specifications
Accuracy Specifications
A. DC Voltage
B. AC Voltage
C. AC Current
D. DC Current
E. Diodes & Continuity Test
F. Resistance
Maintenance
A. General Service
B. Replacing the Fuses
Model UT90B: OPERATING MANUAL
4
Item
1
2
3
Description
English Operating Manual
Test Lead
Holster
Qty
1 piece
1 pair
1 piece