Megger MFT1710 - User Manual

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MFT1700/1800 Series

Multifunction Tester

Quick Start Guide

GSAFETY WARNINGS

n Safety warnings and precautions must be read and understood before

the instrument is used. They must be observed during use.

n The circuit under test must be switched off, de-energised and isolated

before test connections are made when carrying out insulation and

continuity tests.

n Continuity of protective conductors and earthed equipotential bonding

of new or modified installations must be verified before carrying out an

earth fault loop impedance test, RCD or earth testing

n Do not touch circuit connections and exposed metalwork of an

installation or equipment under test. Under fault conditions the system

earth could become hazardous live.

n Do not touch the earth stakes, test leads and their terminations

(including connections to the earthing system under test) if an

installation earth fault can arise unless adequate precautions are taken.

n The ‘live circuit warning’ and ‘Automatic discharge’ functions are

additional safety features and should not be regarded as a substitute

for normal safe working practices.

n Do not move the rotary switch positions while a test is in progress.

n Do not operate the instrument or connect it to any external system

if it shows any visible signs of damage or if it has been stored for

prolonged periods in unfavourable conditions.

n Do not operate the instrument or connect it to any external system

if the battery compartment or casing is open or any parts of the case

(including keypad, selector switch, display window, etc.) are missing.

n Always disconnect the instrument from all systems while batteries are

being changed or the fuse replaced

n Do not replace the rechargeable cells in the MFT1730 and 1835 with

non-rechargeable “dry” cells and attempt to charge the cells. This can

cause explosion or fire.

n Do not operate the charging equipment supplied with the MFT1730 or

MFT1835 in damp or wet environments or outside. All test leads must

be removed from the instrument while charging.

n After insulation tests, capacitive circuits must be allowed to discharge

before disconnecting test leads. Locking the Insulation test ON should

only be used where there is no risk of a circuit holding a charge.

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Megger MFT1710 Specifications

General

Type	Multifunction Tester
Insulation Resistance Test Voltage	250V, 500V, 1000V
Earth Resistance Test	Yes
Continuity Test Current	200mA
Frequency Measurement	Yes
Display	LCD
RCD Test	Yes
RCD Test Currents	10mA, 30mA, 100mA, 300mA, 500mA
Protection Rating	IP54
Operating Temperature	-10°C to +55°C
Storage Temperature	-25°C to +70°C
Insulation Resistance Range	0.01 MΩ to 2000 MΩ
Loop Impedance Range	0.01Ω to 20Ω
PSC/PFC Range	0 to 100A
Resistance Range	0.01Ω to 2000Ω
Current Measurement Range	0 to 20A
Frequency Range	16 Hz to 400 Hz