接地測試儀

KYORITSU KEW 4202鉗式接地電阻測試儀

KYORITSU KEW 4202鉗式接地電阻測試儀

適用於 Android 裝置 Bluetooth 通訊
• 無需使用輔助接地棒,即可在多點接地系統中量測0.05至1500Ω的接地電阻
• 可量測0.1mA至30.0A的真有效值漏電電流或相電流,為接地網路提供關鍵資訊
• 濾波功能可提高對電氣雜訊的抗干擾能力,在雜訊過高時會顯示噪聲標記
• 可儲存最多100筆測量數據
• 支援藍牙®通訊功能
詳細介紹

Specification
Earth resistance (Auto-ranging) 20.00/200.00/1500Ω
±1.5%±0.05Ω(0.00 to 20.99Ω) *1
±2%±0.5Ω(16.0 to 99.9Ω)
±3%±2Ω(100.0 to 209.9Ω)
±5%±5Ω(160 to 399Ω)
±10%±10Ω(400 to 599Ω) 
Values are displayed, but accuracy isn't guaranted(600 to 1580Ω) 
AC current (50Hz/60Hz) (Auto-ranging) 100.0/1000mA/10.00/30.0A
±2%±0.7mA(0.0 to 104.9mA)
±2%(80mA to 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®5.0
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 LR6/R6(AA) (1.5V) x 4
Dimension 246(L)×120(W)×54(D)mm
Weight Approx. 780g (including batteries)
Accessories 8304 (Resister for operation check)
9167 (Carrying case[Hard])
LR6 x 4, Instruction manual
* Crest factor 2.5 (50/60Hz, peak value shall not exceed 60A)
*1 4 counts or less are corrected to 0.