UNI-T UT90A - Page 2

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 Voltage Measurement
B. AC Voltage Measurement
C. DC Current Measurement
D. AC Current Measurement
E. Resistance Measurement
F. Testing Diodes & Continuity
G. Battery Test
General Specifications
Accuracy Specifications
A. DC Voltage
B. AC Voltage
C. DC Current
D. AC Current
E. Resistance
F. Diodes & Continuity Test
Maintenance
A. General Service
B. Replacing the Fuses
C. Replacing the Battery
Model UT90A: OPERATING MANUAL
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