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19                                  MG302-EU-EN V2.0   4/11 

 

Enclosure 

Double molded, waterproof (IP67) 

Shock (Drop Test) 

6.5 feet (2 meters) 

Diode Test 

Test current 0.9mA maximum, open circuit voltage 2.8V DC typical 

Storage capacity 

8000 records 

RF transmit distance 

10 meters (approx) 

Transmitter Frequency  433MHz 

Continuity Check 

Audible signal will sound if the resistance is less than 35

 (approx.), test 

current <0.35mA 

Peak 

Captures peaks >1ms 

Temperature Sensor 

Requires type K thermocouple 

Input Impedance 

>10M

 VDC & >9M

 VAC 

AC Response 

True rms 

ACV Bandwidth 

50Hz to 1000Hz 

Crest Factor 

 

3 at full scale up to 500V, decreasing linearly to 

1.5 at 1000V 

Display 

40,000 count, backlit, liquid-crystal display with bargraph 

Overrange indication 

OL” is displayed 

Auto Power Off 

15 minutes (approximately) with disable feature 

Polarity 

Automatic (no indication for positive); Minus (-) sign for negative  

Measurement Rate 

2 times per second, nominal 

Low Battery Indication  “

 ” is displayed if battery voltage drops below operating voltage 

Battery 

Six (6) 1.5V ‘AA’ batteries 

Fuses  

mA, µA ranges; 0.5A/1000V ceramic fast blow (SIBA 70-172-40) 
A range; 10A/1000V ceramic fast blow (SIBA 50-199-06) 

Operating Temperature  5ºC to 40ºC (41ºF to 104ºF) 

Storage Temperature 

-20

o

C to 60

o

C (-4

o

F to 140

o

F) 

Operating Humidity 

Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at 40ºC (104ºF) 

Storage Humidity 

<80%  

Operating Altitude 

2000meters (7000ft) maximum 

Weight  

582g. (20.5 oz) 

Size  

200 x 92 x 50mm (7.8” x 3.6” x 1.9”) 

Safety 

This meter is intended for origin of installation use and protected, against 
the users, by double insulation per EN61010-1 and IEC61010-1 2

nd

 Edition 

(2001) to Category IV 600V and Category III 1000V; Pollution Degree 2.  

 

 

 
 

Copyright © 2011 Extech Instruments Corporation (a FLIR company) 

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

www.extech.com 

Содержание Extech Instruments MG302

Страница 1: ...User s Guide Wireless TRMS Multimeter and Insulation Tester Model MG302...

Страница 2: ...nd exceeds in this case 1000 VAC or VDC This symbol adjacent to one or more terminals identifies them as being associated with ranges that may in normal use be subjected to particularly hazardous volt...

Страница 3: ...IEC 61010 2 USE EXTREME CAUTION when working with high voltages 3 DO NOT measure voltage if the voltage on the COM input jack exceeds 1000V above earth ground 4 NEVER connect the meter leads across a...

Страница 4: ...unciators Continuity Diode test Battery status n nano 10 9 capacitance micro 10 6 amps cap m milli 10 3 volts amps A Amps k kilo 103 ohms F Farads capacitance M mega 106 ohms RF transmitter active Ohm...

Страница 5: ...be long enough to contact the live parts inside some 240V outlets for appliances because the contacts are recessed deep in the outlets As a result the reading may show 0 volts when the outlet actually...

Страница 6: ...lack test lead banana plug into the negative COM jack 2 For current measurements up to 4000 A DC set the function switch to the A position and insert the red test lead banana plug into the A mA jack 3...

Страница 7: ...Touch the black test probe tip to the neutral side of the circuit Touch the red test probe tip to the hot side of the circuit 9 Apply power to the circuit 10 Read the current in the display 11 In the...

Страница 8: ...M jack and the red test lead banana plug into the positive V jack 3 Press the MODE button to indicate and V on the display 4 Touch the test probes to the diode under test Forward voltage will typicall...

Страница 9: ...es 5 Read the temperature in the display Note The temperature probe is fitted with a type K mini connector A mini connector to banana connector adaptor is supplied for connection to the input banana j...

Страница 10: ...ss the TEST button to start a hands free test Note If the circuit under test is live and has a voltage potential AC DC over 30V the meter it will not test the display will show 30V the symbol will fla...

Страница 11: ...appear The right most auxiliary display will show and hold the minimum reading updating only when a new MIN occurs 2 To exit MAX MIN mode press EXIT RELATIVE MODE The relative measurement mode displa...

Страница 12: ...the desired sample rate 0 to 255 seconds 4 Set the sample rate to 0000 S for manual recording In this mode each press of the STORE button will save one measurement reading 5 Set the sample rate from...

Страница 13: ...tions SETUP 1 Press and Hold the RANGE SETUP button for two seconds to enter the SET function The first of five settable functions will appear 2 Press the RANGE button to step through the functions a...

Страница 14: ...e old or weak batteries so they do not leak and damage the unit 6 IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME the batteries should be removed to prevent damage to the unit BATTERY INSTALLAT...

Страница 15: ...cessible 3 To replace the 10A fuse remove the six screws securing the rear cover and remove the rear cover 4 Gently remove the old fuses and install the new fuses into the holders 5 Always use a fuse...

Страница 16: ...1000V 1V All AC voltage ranges are specified from 5 of range to 100 of range DC Current 400 A 0 01 A 1 0 reading 3 digits 4000 A 0 1 A 40mA 0 001mA 400mA 0 01mA 10A 0 001A 20A 30 sec max with reduced...

Страница 17: ...z 0 0001MHz 40MHz 0 001MHz 100MHz 0 01MHz Not specified Sensitivity 0 8V rms min 20 to 80 duty cycle and 100kHz 5Vrms min 20 to 80 duty cycle and 100kHz Frequency electrical 40 00HZ 4KHz 0 01HZ to 0 0...

Страница 18: ...mA 4 001 40 00 M 0 01M 2 10 40 01 400 0 M 0 1M 3 5 400 1 4000 M 1M 4 5 500V 0 10 0 500 4 000 M 0 001M 2 10 1mA load 500k 1mA 4 001 40 00 M 0 01M 2 10 40 01 400 0 M 0 1M 2 5 400 1 4000 M 1M 4 5 1000V 0...

Страница 19: ...for positive Minus sign for negative Measurement Rate 2 times per second nominal Low Battery Indication is displayed if battery voltage drops below operating voltage Battery Six 6 1 5V AA batteries F...

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