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Halo, Saya Pebisnis Saya mengenal produk ini dari https://www.indotrade.co.id dan saya lihat hal ini mungkin berguna untuk anda. ------------------------------------------------------- HIOKI 3143 EARTH HiTESTER Ground resistance meter Say goodbye auxiliary grounding rods with the 3143 : - Measure ground resistance on paved roads - Auxiliary grounding rods not necessary - Large digital display for easy viewing - Soil-resistant design and superior durability The 3143 was developed based on the technologies of the NTT East Japan Technology Strengthening Center. Notes on Usage: The 3143 is particularly useful for measuring the earth resistance of single rod electrodes found among aerial transmission line equipment and various types of safety box circuits, and incorporates a measurement principle that is different from that of the Earth HiTESTER 3151. Basic specifications ( Accuracy guaranteed for 1 year) : Ground resistance : 20.0 to 49.9 ohm ( ± 10 % rdg.) , 50.0 to 500.0 ohm ( ± 5 % rdg.) Principle of operation : Voltage comparison method ( Measurement of voltage at loop impedance serial resonance) Open circuit voltage: 0.9 V ACpeak typ. Testing current: 3.6 mA AC max. with terminals shorted, Testing frequency: 100 kHz to 1.5 MHz Features : Energy saving mode, Resonance indicator, Battery check Power consumption : LR6( AA) alkaline batteries × 4, Continuous use: 8 hours Dimensions and mass : 155 ( 6.10in) W × 98 ( 3.86in) H × 49 ( 1.93in) D mm, 380g ( 13.4oz) Supplied accessories : MEASUREMENT CABLE 9265 ( black 1 m ( 3.28 ft) , red 20 m ( 65.62 ft) , one each; CABLE WINDER 9216 × 1) , LR6( AA) alkaline batteries × 4, CARRYING CASE 9338 × 1 Untuk informasi selengkapnya, silahkan ke http://www.indotrade.co.id/karuniamakmur/2525184
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