UNI-T UT33B

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Title
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The Meter structure
Functional Buttons
Measurement Operation
A. DC Voltage Measurement
B. AC Voltage Measurement
C. DC Current Measurement
D. Measuring Resistance
E. Diodes and Continuity
Measurement
F. Temperature Measurement
G. Battery Test
Table of Contents (1)
1
Model UT33B/C/D: OPERATING MANUAL

UNI-T UT33B Specifications

General

Product type	Digital multimeter
AC voltage range	200 - 500 V
DC current range	0.2 - 10 A
DC voltage range	0.2 - 500 V
Basic accuracy (DC current)	±(1%+2)
Basic accuracy (DC voltage)	±(0.5%+2)
Basic accuracy (resistance)	±(0.8%+2)
Dimensions (WxDxH)	73.5 x 35 x 130 mm
Battery voltage	9 V
Battery low indication	Yes

Weight and Dimensions

Weight	156 g

Summary

Safety Information

Rules For Safe Operation

DC Voltage Measurement

AC Voltage Measurement

DC Current Measurement

Measuring Resistance

Diodes and Continuity Measurement

Temperature Measurement

Battery Test

Square Wave Output

Accuracy Specifications

DC Voltage Accuracy

Details accuracy for DC voltage measurements across different ranges and models.

AC Voltage Accuracy

DC Current Accuracy

Resistance Accuracy

Diodes and Continuity Accuracy

Temperature Accuracy

Maintenance

Replacing the Battery

Step-by-step guide on how to replace the battery in the meter.

Replacing the Fuses

Procedure for replacing the meter's fuses safely and correctly.