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UEi DL250 User Manual

UEi DL250
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1-800-547-5740 • Fax: (503) 643-6322
www.ueitest.com • email: info@ueitest.com
DL250
INSTRUCTION MANUAL
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UEi DL250 Specifications

General IconGeneral
TypeClamp Meter
DisplayLCD
Diode TestYes
Safety RatingCAT III 600V
AC Voltage600V
DC Voltage600V
Operating Temperature32°F to 104°F (0°C to 40°C)

Summary

Introduction

Safety Notes

Critical Safety Warning

Exceeding the specified limits of this meter is dangerous and can expose the user to serious or possibly fatal injury.

International Symbols

Controls and Indicators

Microamps Mode Caution

Never connect test leads across a voltage source when set to microamps position.

Hand Guard Safety

Keep hands and fingers behind hand guards when measuring current on exposed conductors.

Operating Instructions

Auto Power Off Feature

The instrument automatically shuts off after 30 minutes of inactivity to conserve battery.

Auto and Manual Ranging

Explains how the meter automatically selects the range or how to select it manually.

MIN/MAX Recording Function

Enables the meter to store the highest and lowest readings obtained during measurements.

Time Stamp Functionality

Displays the hour and minute a high/low value was recorded within a 24-hour period.

Data Hold Function

Freezes the currently displayed reading on the LCD; symbol 'D.H' appears when active.

Rotary Function Switch Operation

Used to power the meter on/off and select measurement functions.

Measuring Inductive Current

Procedure for measuring AC current using the clamp by placing conductor in jaws.

Measuring Voltage

Voltage Measurement Safety

Do not exceed 600V DC or AC (RMS). Unknown voltage measurements are dangerous.

Measuring Three-Phase AC Volts

Three-Phase Voltage Safety

Exceeding AC (RMS) rating is dangerous; measure line-to-line voltage carefully.

Measuring Resistance

Resistance Measurement Caution

Turn off power and discharge capacitors before resistance measurements to prevent damage.

Measuring Continuity

Testing Diodes

Diode Test Safety

Do not connect test leads to a voltage source when diode test function is selected.

Measuring Temperature

Measuring Capacitance

Capacitor Testing Warning

Capacitors must be discharged prior to testing to avoid damage or injury.

Measuring DC Microamps

DC Microamp Measurement Caution

Do not measure current sources with open circuit voltages greater than 250V DC or AC.

Service

Maintenance

Cleaning and Decontamination

Battery Replacement

Battery Replacement Safety

Turn off power and disconnect test leads before removing or installing batteries.

Fuse Replacement

Fuse Replacement Safety

Disconnect power source before removing fuse to avoid shock or injury.

Specifications

Limited Warranty

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