PROVA-5637钳式接地电阻计

特点：                                                                                                                     

• 非接触式量测法、量测时间只需传统方式的 1/10, 准确度 2%(10 0 Ω内 )
• 不需要传统的辅助电极棒
• 量测范围 0.025–1500Ω( 欧姆 )
• 钳部直径最大 Φ 35 mm(5637)
• 钳部直径最大 Φ 23 mm (5601)

• 量测范围 0.2mA– 35A(5637)       量测范围 0.2mA– 30A(5601)
• 116组记忆容量
• 可程序上下限设定
• 超出上下限 , 自动哔哔声警告
• 记录资料可从 LCD 直接读取
• 可设定时间自动记录

附赠标准电阻板                            

应用：                                                                                                                     

• 设备、系统接地
• 避雷针接地

• 电塔接地     大哥大基地台接地
• 加油站、油槽、矿坑接地

有线电视台网络接地      

接地电阻(自动档Ω

范围                                                    分辨率                                              准确度

0.025 - 0.250 Ω                 0.002 Ω                                         ± 2% ± 0.01 Ω

0.250 - 1.000 Ω                 0.02 Ω                                            ± 2% ± 0.01 Ω

1.001 - 9.999 Ω                 0.02 Ω                                            ± 1.5% ± 0.1 Ω

10.00 - 50.00 Ω                 0.04 Ω                                            ± 1.5% ± 0.1 Ω

50.01 - 99.99 Ω                 0.04 Ω                                            ± 1.5% ± 0.5 Ω

100.0 - 200.0 Ω                 0.4 Ω                                               ± 3.0% ± 1.0 Ω

200.1 - 400.0 Ω                 2 Ω                                                     ± 5.0% ± 5 Ω

400.1 - 600.0 Ω                 5 Ω                                                     ± 10% ± 10 Ω

600.1 - 1500 Ω                    20 Ω                                                  ± 20%Ω

1 非电感性电阻，外部磁场干扰 200 A/m 以下，电场干扰 1 V/m 以下，导体置于钩部中心。

2 测试频率：3.333KHz(5637)/1.667KHz(5600,5601)

交流电流( 50/60 Hz，真均方根值，波形因子 < 3.5

范围                                                    分辨率                                              准确度

0.200 - 1.000 mA                 0.001 mA                                         ± 2.5% ± 0.05 mA

1.00 - 10.00 mA                    0.01 mA                                            ± 2.5% ± 0.05 mA

10.0 - 100.0 mA                    0.1 mA                                               ± 2.5% ± 0.2 mA

100 - 1000 mA                          1 mA                                                     ± 2.5% ± 2 mA

0.20 - 35.00 A(5637)     0.01A                                                  ± 2.5% ± 2 mA

0.20 - 15.00 A(5601)     0.01A                                                  ± 2.5% ± 2 mA

0.20 - 30.00 A(5601)     0.01A                                                  ± 2.5% ± 2 mA

一般使用

标准电阻板准确度         ± 0.5%

钳部直径                                   35mm /1.38”(5637), 23mm /0.90”(5601)

钳部最大开口                      38mm /1.49”(5637), 27mm /1.06”(5601)

记忆容量                                   116