Sperry instruments DM6650T User Manual

1
I. DISPLAY FUNCTIONS & SYMBOLS
Rotary Switch
OPERATING INSTRUCTIONS
True-RMS, Autoranging Multimeter
DM6650T
Read this owner’s manual thoroughly before use and save.
AC & DC Voltage Capacitance Test
AC - Alternating Current Hz% Frequency and Duty Cycle Test
DC - Direct Current mA - Millamp
Ohm - Resistance A - Amp
Diode Test NCV Non-Contact Voltage Sensing
Continuity Test OFF Power off
Rotary Switch
Hold/Light Button
LCD Display
Select Button
Functional Buttons
10A MAX
and mA / μA Terminals
COM Terminal
Figure 1
Input Terminal
VΩHz

Sperry instruments DM6650T Specifications

General

Brand	Sperry instruments
Model	DM6650T
Category	Multimeter
Language	English

Summary

Safety Warnings

DANGER Warnings

Outlines critical dangers and potential fatal injuries associated with misuse.

WARNING Warnings

Details serious risks and potential injuries from improper operation.

CAUTION Warnings

Covers precautions to prevent instrument damage or minor injuries.

General Specifications

Operating Instructions

AC/DC Voltage Measurement

Step-by-step guide for measuring AC and DC voltage using the multimeter.

AC/DC Current Measurement

Instructions for measuring AC and DC current, including terminal usage.

Resistance Measurement

How to connect and measure resistance values with the multimeter.

Testing for Continuity

Procedure for testing continuity using the multimeter's buzzer function.

Testing Diodes

Guide on how to test diodes, including forward voltage drop readings.

Capacitance Measurement

Steps to measure capacitance, including handling internal capacitance.

Frequency Measurement

NCV (Non-Contact Voltage) Detection

Hold Mode Operation

Range Button Operation

Relative Value Mode

Select Button Usage

Maintenance

Replacing the Battery

Testing and Replacing Fuses