Ideal's 61-797 tests electrical insulation
An
Ideal Industries (UK) product story
Edited by the Engineeringtalk editorial team
Apr 10, 2009
Ideal Industries has introduced the 61-797 Digital Insulation Meter, a rugged, industrial-grade tester designed for commissioning, routine troubleshooting and preventive maintenance.
Tony Kumeta, general European manager of Ideal Industries (UK), said: 'The periodic testing of insulation for signs of deterioration will spot breakdowns in electrical systems, generators, switchgears and motor windings before failure occurs.
'More importantly, insulation testing can prevent the dangerous occurrence of short circuits or short to grounds.' The portable 61-797 can withstand the rigours of heavy commercial and industrial usage.
Using test leads, the technician can quickly determine the integrity of insulation in new and existing wiring by identifying capacitive, absorption and leakage current at multiple test voltages (50, 100, 250, 500 and 1000V) and resistance up to 20G Ohms.
The 61-797 can also measure earth-bond resistance to assure verification of the continuity of the protective bonding.
It automatically senses and displays AC/DC voltage to 600V and calculates the polarisation index (PI) and dielectric absorption ratio (DAR).
Insulation testing is most effective when it is part of a scheduled maintenance programme.
Repetitive testing is made easier with the 61-797's straightforward pass/fail function and its internal storage of values.
It also features twist-on alligator clips that fit over the test leads and a remote test-button for two-handed operation.
The 61-797 was designed with a 600V Cat IV overvoltage rating and will safely disable itself if connected to a live circuit exceeding 30V.
A live voltage hazard indictor is also prominently displayed on the front panel to warn the technician before use on an energised circuit.
Once testing is complete, the 61-797 automatically discharges capacitive voltage that may be a shock hazard from the equipment under test.
The 61-797 comes with a carrying case, test leads and batteries.
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