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Specific electrical insulation resistance tester
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Specific electrical insulation resistance tester has multi-port testing facilities is designed to test insulation coating materials, heat shrinks. This is also suitable for external liquid applied epoxy and epoxy modified coatings. Epoxy resins are excellent electrical insulators and protect electrical components from short circuiting, dust and moisture. Most coating includes both amine and anhydride curing compositions, therfore resistibvity becomes important factor for testing. Instrument requires flat or curved samples of 150mm diameter. All the easy connections made and it is ready to use instrument. Customer can test upto four samples at a time. The test consists of measuring the specific electrical insulation resistance (electrical resistance of the coating in relation to the surface area of the coated pipe) by exposure to a sodium chloride solution over a test period.
insulation resistance testers
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Machine Feature Automatic-microcontroller operated Standard test voltages-0.5kV, 1kV, 2.5kV, 5kV Resistance range to 1TΩ Continuous digital display on LCM Test modes: Insulation resistance, PI (Polarization Index) AR (Dielectric Absorption Ratio) (PI and AR automatically calculated) High circuit: 3mA Visual indication of test voltage and output ON Data storage, data recall and real time + calendar data Backlit LCM with status and battery condition display Power source: Internal re-chargeable battery / AC mains Test Voltage 0.5 / 1 / 2.5 / 5 kV DC+/- 5% of rated value Voltage accuracy 5 Mohm to 1 Tera ohm I R range 5MΩ-999MΩ :+/-5%rdg +/-3 dgt1GΩ-9.9GΩ :+/-5%rdg +/-3 dgt10GΩ-99.9GΩ:+/-10%rdg +/-3 dgt100GΩ-1TΩ :+/-20%rdg Standard Accessories Flexible testing leads with clamp of 4 metres length of yellow, black and red colour. Charger Earth Cable. Operating manual 1 no.
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