UNI-T UT50B - User Manual

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Model UT50A/B/C: OPERATING MANUAL
1
Table of Contents
Title
Overview
Unpacking Inspection
Safety Information
Rules For Safe Operation
International Electrical Symbols
The multimeter Structure
Functional Buttons
Display Symbols
Measurement Operation
A. DC Voltage Measurement
B. AC Voltage Measurement
C. DC Current Measurement
D. AC Current Measurement
E. Measuring Resistance
F. The Model UT50C:
Frequency Measurement
G. The Model UT50B/UT50C:
Temperature Measurement
H. Capacitance Measurement
I. Measuring Diodes & Continuity
General Specifications
Testing for Continuity
Sleep Mode
Turning on the Auto Display Backlight
Accuracy Specifications
A. DC Voltage
B. AC Voltage
C. DC Current
D. AC Current

Summary

Overview

Unpacking Inspection

Safety Information

Rules For Safe Operation (1)

Rules For Safe Operation (2)

International Electrical Symbols

The multimeter Structure

Functional Buttons

Display Symbols

DC Voltage Measurement

AC Voltage Measurement

DC Current Measurement

AC Current Measurement

Measuring Resistance

Frequency Measurement

Temperature Measurement

Capacitance Measurement

Measuring Diodes & Continuity

Testing for Continuity

Sleep Mode

Auto Display Backlight

General Specifications

Accuracy Specifications (DC & AC Voltage)

DC Voltage Accuracy

Details the accuracy and overload protection for DC voltage measurements.

AC Voltage Accuracy

Details the accuracy and overload protection for AC voltage measurements.

Accuracy Specifications (DC & AC Current)

DC Current Accuracy

Outlines the accuracy and overload protection for DC current measurements.

AC Current Accuracy

Details the accuracy and overload protection for AC current measurements.

Accuracy Specifications (Resistance & Frequency)

Resistance Accuracy

Lists accuracy and overload protection for resistance measurements.

Frequency Accuracy

Provides accuracy and overload protection specifications for frequency measurements.

Accuracy Specifications (Temperature)

Temperature Accuracy

Details the accuracy and overload protection for temperature measurements.

Accuracy Specifications (Capacitance & Diodes;Continuity)

Capacitance Accuracy

Lists accuracy and overload protection for capacitance measurements.

Diodes and Continuity Test Accuracy

Outlines accuracy, input protection, and remarks for diode and continuity testing.

General Service

Replacing the Battery

Replacing the Fuses

UNI-T UT50B Specifications

General

Backlight	Yes
Product type	Digital multimeter
AC current range	0.002 - 20 A
AC voltage range	2 - 750 V
DC current range	0.02 - 20 A
DC voltage range	0.2 - 1000 V
Capacitance range	20 - 100000 nF
Basic accuracy (DC current)	±(0.8%+1)
Basic accuracy (DC voltage)	±(0.5%+1)
Basic accuracy (capacitance)	±(4%+3)
Temperature measurement range	-40 - 1000 °C
Dimensions (WxDxH)	80 x 38.3 x 165 mm
Battery voltage	9 V

Weight and Dimensions

Weight	275 g