Extech DV40 User guide

V2.0 6/08

is greater

Range -30 to 230°C (-20 to 445°F)

Resolution 0.1°C/F

Accuracy ± 2.0% of reading or ±2ºC/4ºF whichever

Emissivity settings 0.95 fixed

Distance to Target Ratio 1:1

Voltage Sensitivi ty 50V to 1000V AC

Bandwidth 50/60Hz

Detection distanc e 1” @ 105V

Display 9999 count LCD display

Operating Temperature 0 to 50°C (32 to 122°F)

Operating Humidity 10% to 80% RH

Power Supply 3 LR44 or A76 button batteries

Weight 1.25oz. / 35.5g

Specifications

IR Thermometer

Non-Contact Voltage Detector

General

Storage Temperature -10 to 60°C(14 to 140°F)

Altitude Operating below 2000 meters

Overvoltage Category IV-600V, Category

III 1000V, Pollution Degree 2.

Copyright © 2008 Extech Instruments Corporation

Dimensions/Weight 6.25x1” (159x25mm) / 1.25oz / 35.5g

Safety For indoor use and in accordance with

All rights reserved including the right of reproduction in whole or in part in any form

on a known live circuit to verify proper operation

ensuring that the LED i s working correctly. Continue holding the NCV button.

electrical outlet .

glow.

the probe tip along a length of the cord to assure placing the tip in close proximity

Operating Instructions

1. .IRT measure button

2. LCD display.

3. IRT port

4. Battery compartment

5. NCV detector

6. NCV indicator cone

Voltage Detector and IR Thermometer

User’s Guide DV40 Non-Contact

probe and away from the probe tip

on a known live circuit to verify proper operation

Safety

WARNING: Risk of Electrocution. Before use, always test the Voltage Detector

Instructions in this manual before using this product.

CAUTION: Read, understand and follow Safety Rules and Operating

WARNING: Risk of Electrocution. Keep hands and fingers on the body of the

AC VOLTAGE DETECTION

WARNING: Risk of Electrocution. Before use, always test the Voltage Detector

1. PRESS and HOLD the NCV button.

2. The cone tip will light up for approximately 2 seconds and then turn off,

3. Place the probe tip near the hot conductor or next to the hot side of the

7. NCV measurement button

8. Battery compartment release latch.

This symbol, adjacent to another symbol or terminal, indicates the user

the user must refer to the manual for further information. This symbol, adjacent to a terminal, indicates that, under normal use,

Do not attempt to repair this unit. There are no user serviceable parts.

Do not expose the unit to extreme temperatures or high humidi ty

Do not use the unit if it is wet or damaged

Do not apply more than the rated voltage between the probe tip and ground.

Do not operate with the case open

4. If AC voltage is present, the detector cone will produce a steady constant

hazardous voltages may be present Double insulation

BATTERY INSTALLATION

to the live conductor.

NOTE: The conductors in electrical cord sets are often twisted. For best results, rub

latch and sliding the cover down.

1. Access the battery compartment by gently pressing the pocket clip release

surface temperature will appear in the display.

value will remain in the display until the meter turns off (approximately 30

seconds).

The temperature units s election switch

is located in the battery compartment.

sources of energy will randomly trip the sensor. This is normal operation.

NOTE: The detector is designed with high sensitivity. Static electricity or other

2. Insert three LR44 button batteries (observe polarity).

3. Replace and latch the cover

accurate readings position the meter as close as possible to the target..

IR TEMPERATURE MEASUREMENTS

NOTE: The IR thermometer has a distance to target ratio of 1:1. For the most

1. Point the IR sensor toward object to be measured,

2. PRESS and HOLD the IR button.

3. The meter will turn ON, “SCAN” will flash in the display and the measured

4. Release the MEASURE button, “HOLD” will appear and the last measured

You, as the end user, are legally bound (Battery ordinance) to return

all used batteries and accumulators; disposal in the household

garbage is prohibit e d!

You can hand over your used batterie s / accumulator s, gratuitousl y,

at the collection points for our branches in your community or

wherever batteries / accumulators are sold!

Follow the valid legal stipulations in respect of the dis posal of the

that it still good and that it is properly inserted.

NOTE: If your meter does not work properly, check the battery to make sure

device at the end of its lifecycle

Disposal

Displaying °F or °C