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12                                    MG310-en-GB_V1.0   12/15 

 

Note:

 

Accuracy

 

is

 

stated

 

at

 

73.4

o

F

 

(23

o

C)

 

and

 

40~75%

 

RH.

 

Note:

 

Accuracy

 

specifications

 

consist

 

of

 

two

 

elements:

 

 

(%

 

reading)

 

 

This

 

is

 

the

 

accuracy

 

of

 

the

 

measurement

 

circuit.

 

 

(+

 

digits)

 

 

This

 

is

 

the

 

accuracy

 

of

 

the

 

analog

 

to

 

digital

 

converter.

 

 

Display

 

Backlit

 

LCD

 

(max.

 

reading

 

1999)

 

Low

 

battery

 

indication

 

Battery

 

icon

 

 

appears

 

when

 

batteries

 

need

 

to

 

be

 

replaced.

 

Overload

 

indication

 

Insulation

 

resistance

 

testing

 

>

 

5.5G

 

displayed

 

when

 

the

 

meter

 

range

 

has

 

been

 

exceeded.

 

Range

 

selection

 

Automatic

 

Units

 

of

 

measure

 

format

 

Functions

 

and

 

units

 

of

 

measure

 

are

 

shown

 

simultaneously.

 

Testing

 

controls

 

For

 

Insulation

 

Resistance

 

testing:

 

Manual

 

start

 

and

 

Automatic

 

stop.

 

Test

 

button

 

Red

 

lamp

 

on

 

TEST

 

button

 

indicates

 

that

 

test

 

is

 

in

 

progress.

 

Self

Test

 

10M

Ω 

(±1%)

 

Continuity

 

Check

 

Audible

 

signal

 

when

 

resistance

 

is

 

<

 

20

 

(approx.).

 

Battery

 

Six

 

(6)

 

1.5V

 

‘AA’

 

batteries

 

Current

 

Consumption

 

200mA

 

approx.

 

with

 

maximum

 

output

 

(10mA

 

under

 

normal

 

conditions).

 

Operating

 

Temperature

 

0ºC

 

to

 

40ºC

 

(32ºF

 

to

 

104ºF)

 

Storage

 

Temperature

 

20

o

C

 

to

 

60

o

C

 

(

4

o

F

 

to

 

140

o

F)

 

Operating

 

Humidity

 

<

 

85%

 

RH

 

Storage

 

Humidity

 

<

 

90%

 

RH

 

Operating

 

Altitude

 

2000m

 

(7000

 

ft.)

 

maximum

 

Weight

  

0.7kg.

 

(1.5

 

lbs.)

 

Size

  

150

 

x

 

100

 

x

 

71mm

 

(6.0

 

x

 

4.0

 

x

 

2.8

 

in.)

 

Safety

 

This

 

meter

 

is

 

intended

 

for

 

origin

 

of

 

installation

 

use

 

and

 

protected

 

by

 

double

 

insulation

 

per

 

EN61010

1

 

and

 

IEC61010

1

 

2

nd

 

Edition

 

(2001)

 

to

 

Category

 

III

 

600V;

 

Pollution

 

Degree

 

2.

  

 

 

 

Copyright

 

©

 

2015

 

FLIR

 

Systems,

 

Inc.

 

All

 

rights

 

reserved

 

including

 

the

 

right

 

of

 

reproduction

 

in

 

whole

 

or

 

in

 

part

 

in

 

any

 

form

 

www.extech.com

    

 

 

 

  

 

Summary of Contents for MG310

Page 1: ...USER MANUAL Insulation Resistance Tester With Continuity and AC Voltage modes Model MG310...

Page 2: ...ch com website for newer versions of the user manual Misuse of this device may cause personal injury and damage to the instrument and connected equipment This symbol on the instrument indicates that f...

Page 3: ...scharged and isolated from power circuits before taking resistance measurements If the test leads or adaptors need to be replaced due to damage replace with test leads or adaptors of the same model or...

Page 4: ...ting selection button 8 TEST button 9 Rotary function select switch Note Secure battery compartment located on rear of unit Control Buttons 1 PI DAR button Press to select PI polarization index and DA...

Page 5: ...ction switch to the OFF position when the meter is not in use 2 If OL appears in the display during a measurement the value exceeds the meter s range 3 If the batteries are weak replace them before pe...

Page 6: ...be indicated in the right most auxiliary display the symbol will flash and the caution buzzer will sound 6 Press to release the TEST button to stop the test The high voltage will switch off and the re...

Page 7: ...test DIELECTRIC ABSORPTION RATIO DAR TESTING Read and understand all operations and safety information in the Insulation Resistance IR measurement section above and in the Safety section before conti...

Page 8: ...G To avoid electric shock never measure continuity on circuits or wires that have voltage on them 1 Set the function switch to the continuity position 2 Insert the black test lead banana plug into the...

Page 9: ...not measure voltage higher than 750V AC Please use extreme caution to avoid high voltage electrical shock while operating this instrument Disconnect test leads from tested circuits and meter terminal...

Page 10: ...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 INSTALLATION W...

Page 11: ...5 5G 0 00M 5 5G 0 00M 5 5G Open circuit 250V DC 10 500V DC 10 1000V DC 10 Rated current 250K 1 00mA 1 10mA 500K 1 00mA 1 10mA 1M 1 00mA 1 10mA Short circuit Current Approx 2mA Accuracy 0 00M 99 9M 3...

Page 12: ...nd Automatic stop Test button Red lamp on TEST button indicates that test is in progress Self Test 10M 1 Continuity Check Audible signal when resistance is 20 approx Battery Six 6 1 5V AA batteries Cu...

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