Major tech MT402 User manual

MT402

NON-CONTACT AC

VOLTAGE DETECTOR

INSTRUCTION MANUAL

Warnings

! It is important that users of this tester read, understand, and

follow all warnings, cautions, safety information, and instructions

in this manual before operating or servicing this tester. Failure to

follow instructions could result in death or serious injury.

! Risk of electric shock and burn. Contact with live circuits could

result in death or serious injury.

! Use caution with voltages above 30V AC as a shock hazard may

exist.

! A steady red glow and continuous beep indicates voltage present.

If no indication, voltage could still be present.

! In bright light conditions, the LED visual indicators will be less

visible.

! Do not use if green LED is not illuminated.

! Do not use if tester appears damaged or if the tester is not

operating properly. If in doubt, replace the tester.

! Do not apply more than the rated voltage as marked on the tester

(1000V AC).

! Always wear approved eye protection.

! Before each use, verify operation by testing a known working

circuit that is within the rating of this tester.

! Do not rely on this tester with shielded wire. Operation may be

affected by differences in socket design and insulation thickness

and type.

! Comply with local and national safety requirements.

! If this tester is used in a manner not specified by the

manufacturer, protection provided by the tester may be affected.

Caution

• Do not attempt to repair this tester. It contains no serviceable parts.

• Do not expose the product to extremes in temperature or high humidity.

Symbols

Double Insulated

Caution. Risk of electric shock

Risk of danger. Important information. Read Manual. CAT IV

equipment is designed to protect against transients from the primary

supply level.

Description

54 3 2

1. Flashlight

2. Flashlight power ON/OFF

3. Battery cover & compartment

4. NCV power ON/OFF

5. Detector tip (NCV sensor)

Operating Instructions

Turn unit on:

1. Measure with sound alarm

Press the power button. The meter sounds a single beep and the tip is

illuminated green. The tester is now ON and is operational. Test on

known live circuit to verify tester functionality.

2. Measure without sound alarm

Hold down the power button for 3 seconds. The tip is illuminated green

with no beeping sound. The tester is now ON and is operational. Test

on known live circuit to verify tester functionality.

Turn unit off:

Press the power button. The meter sounds a double beep and the tips

green LED turns off. The tester is now OFF and is not operational.

System self-test:

The "power on" Beeper & green LED visually confirms battery sufficiency,

system integrity, and at operation/active mode. Always test on known live

circuits to verify tester functionality prior to use.

Checking for the presence of AC voltage:

Prior to use, test on known live circuits to verify tester functionality. Place

tip of the tester near an AC voltage. If the tester detects voltage, the LED

in the tip of the tester changes colour from green to red and an beeping

sound is generated. The audible sound beeps quicker when the tester tip

is closer to higher voltage.

Low battery indication:

Scenario 1

Power on the tester: The "power on" LED in the tip of the tester changes

from a steady green to a blinking green and a series of beeping sounds is

generated. The tester then turns off. The unit is now OFF and the

batteries need to be replaced. To replace the tester batteries refer to the

maintenance section titled "Battery Replacement.”

Scenario 2

Operating the tester: If the LED lights become dim and the tone fades,

the tester may require new batteries. To replace the tester batteries refer

to the maintenance section titled "Battery Replacement."

Auto Power Off:

After 5 minutes of non-use, the tester automatically powers off to

conserve battery life. Listen for a double beeping sound and watch the

green LED turn off. The tester is now OFF and is not operational.

Flashlight Operating:

Hold down the Flashlight Button to turn on Flashlight. Flashlight is turned

off once the Flashlight button is released.

Battery Replacement:

1. Remove the end cap by gently lifting the pocket clip to release the

catch.

2. Insert two AAA batteries (observe polarity).

3. Replace the end cap.

NOTE: If your meter does not work properly, check the batteries to

make sure that they are still good and properly inserted into the

meter.

Specifications

Voltage Detection Indicators

FUNCTION RANGE

Visual: Red LED flash changes intensity

with higher voltage presence

Audible: Beeping sound changes intensity

with higher voltage presence

Voltage Range 50V AC - 1000V AC (50 to 60Hz)

Operating Temp 0°C to 40°C

Operating Relative Humidity <80%

Operating Altitude 2,000 meters (Max)

Storage Temp 0°C to 40°C

Storage Relative Humidity <80%

Storage Altitude 2,000 meters (Max)

Power ON Indicator Visual: Green LED turns on

Audible: Single Beep

Auto Power & Power OFF

Indicator

Visual: Green LED turns off

Audible: Double Beep

Batteries

Dimensions (mm)

Weight

2 x AAA

176(L) x 26(W) x 25(D)

48g

Voltage Category CAT IV 600V / CAT III 1000V

Safety Conformity EN61010-1 2nd edition, EN 61326 EMC

to CAT III 1000V CAT IV 600V

Pollution Grade 2

Tester Type Non-Contact Voltage Detector

www.major-tech.com www.majortech.com.au

[email protected] [email protected]

MAJOR TECH (PTY) LTD

South Africa Australia

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