Ampe kìm đo điện trở đất Kyoritsu 4202

Ampe kìm đo điện trở đất Model: 4202 Hãng sản xuất: Kyoritsu – Nhật Xuất xứ: Japan Bảo hành : 12 tháng MÔ TẢ EARTH RESISTANCE AUTO RANGE 20.00/200.00/1500Ω ±1.5%±0.05Ω(0.00 – 20.99Ω) ±2%±0.5Ω(16.0 – 99.9Ω) ±3%±2Ω(100.0 – 209.9Ω) ±5%±5Ω(160 – 399Ω) ±10%±10Ω(400 – 599Ω) AC CURRENT (50HZ/60HZ) AUTO RANGE Values are displayed, but accuracy isn’t guaranted(600 – 1580Ω) 100.0/1000mA/10.00/30.0A ±2%±0.7mA(0.0 – 104.9mA) ±2%(80mA – 31.5A) OPERATING INDICATION Earth resistance function : Constant voltage injection Current detection (Frequency : Approx.2400Hz) Dual Integration AC current function : Successive approximation OVER-RANGE INDICATION “OL”is displayed when input exceeds the upper limit of a measuring range RESPONSE TIME Approx. 7 seconds (Earth resistance) Approx. 2 seconds (AC current) SAMPLE RATE Approx. 1 times per second COMMUNICATION INTERFACE Bluetooth Ver2.1 + EDR Class2 CURRENT CONSUMPTION Approx. 50mA (max.100mA) MEASUREMENT TIME Approx.5 hours (when R6 is used) Approx. 21 hours (when LR6 is used) AUTO POWER-OFF Turns power off about 10 minutes after the last button operation. CONDUCTOR SIZE Approx.Ø32mm APPLICABLE STANDARDS IEC 61010-1 CAT Ⅳ 300V Pollution degree2 IEC 61010-2-032, IEC 61326 (EMC) POWER SOURCE DC6V : R6(sizeAA manganese battery) x 4 or LR6 (sizeAA alkaline battery) x 4 DIMENSIONS 246(L)×120(W)×54(D)mm WEIGHT Approx. 780g (including batteries) INCLUDED ACCESSORIES LR6 x 4, Instruction manual 8304 (Resister for operation check) 9167 (Carrying case[Hard])