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Hioki 3151 FMI Earth Meter - Ground Resistance
Hioki 3151 FMI Earth HiTester is made for the maintenance of electrical equipment and for the testing of grounding resistance meters and voltage detectors. This ingenious grounding resistance meter and voltage detector makes more accurate ground resistance measurements than ever before because it uses the alternating current potentiometer method to provide measurement accuracy. Other features include an auxiliary grounding resistance check feature and measurement frequency switching that make testing under difficult conditions easy and safe. For ground resistance testing, the unit's range is 10 ohm to 1000 ohm with three ranges. This field measuring instrument comes with an auxiliary earthing rod, three electrode measuring cables (black, yellow, red), a cable winder, and carrying case for added convenience.
- Electrical grounding or mesh grounding
- Electrical power equipment grounding
- When the measurement point is located at a distance from the insertion point of the grounding electrode
- Basic Specifications:
- Ground resistance: 10 ohm (0 to 11.5 ohm), 100 ohm (0 to 115 ohm), 1000 ohm (0 to 1150 ohm), 3 ranges (±2.5 % f.s.)
- Ground voltage: 30 V (0 to 30 V), (±3.0 % f.s.)
- Operating method: AC potentiometer method
- Open circuit voltage: 50 V AC max.
- Measurement current: 15 mA AC max. (3 mA AC max. when using the two electrode method)
- Measurement frequency: 575 Hz (with 3a or 2a selected) or 600 Hz (with 3b or 2b selected)
- Power supply: R6P(AA) manganese batteries 6 (at least 500 operations), or LR6(AA) alkaline batteries 6 (at least 1400 operations) Note:30 seconds measurement, 30 seconds off operating time
- Dimensions, mass: 164 mm(6.46 in)W 119 mm(4.69 in)H 88 mm(3.46 in)D, 800 g (28.2 oz)
- Included Accessories: AUXILIARY EARTHING RODS 9214 (2), MEASURING CABLE 9215 (black 5 m(16.41 ft), yellow 10 m(32.81 ft), red 20 m(65.62 ft), one each CABLE WINDER 9216 3), CARRYING CASE 9393 (1)
- Limited one year warranty for defective products through the manufacturer
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