Million Megohm Meter from Sigma Instruments Delhi India   SIGMA INSTRUMENTS
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Million Megohm Meter

 
MILLION MEGOHM METER :

Million Megohm Meter OR IR Tester (Insulation Resistance Tester) is an ideal instrument for measuring high resistance and insulation. Since it applies a highly stable IC regulated H.T up to 500VDC across the element under test, it serves the purpose of a megger also. It measures the insulation resistance of the sample under stress by subjecting it to the voltage. It has a measuring range of 1 Megohm to 100 Million Megohms in seven decade ranges and is capable of reading up to 100 Million Megohms (1016 Ohms) with accuracy operational amplifiers ensures low drift, low input bias current, highly stable performance. A separate HT-NORM-RX switch with amber colour lamp indication facilitates to link or de-link HT with terminal. The HT can also be across checked and set accurately in HT position by observing PSD and using fine and coarse H.T controls.

TECHNICAL SPECIFICATIONS

Measurement Range 1 Mohms to 100 Million Megohms in seven ranges
Accuracy Within 5%
Test Voltage High Stable: 100, 250, 500, 750, 1000VDC, adjustable accurately by Set H.T pot.
Overload Protection Input operation amplifier protected against accidental overload in first four ranges
Meter 200A moving coil type for good resolution
Power Supply 230V 10% at 50Hz
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Sigma Instruments,
Sunil Associates,
Ashoka Place, Main Road, Opp. Metro Piller No. 211,
23, West Patel Nagar, New Delhi -110008. (India)
Tel.: (91) (11) 25882168, 25884181. Fax 25883908.
Mobile (91) 9312531313.
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  by Rohit Manwani & Sunil Manwani.