精密交直流耐压测试器 华仪EXTECH

7140精密交直流耐压测试器 华仪EXTECH

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2022-04-25 16:00:02
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EXTECH 7140 精密型交直流耐压测试仪

详细介绍

型号 7140
 交流耐压
 输出范围 5KVAC/20mA
  范围 解析度 误差
 输出电压, KVAC 0-5.00 0.01 ±(2% of setting + 5V)
 输出频率 50Hz/60Hz ±100ppm, 用户设定
 输出波形 正弦波, THD.<2%(阻性负载), 波峰因素=1.3-1.5
 输出精度 ±(2% of setting + 5V), 从没有负载到满载
 设置
 交流电流上限, mA 0-20.00 0.01 ±(2% of setting + 2位)
 交流电流下限, mA 0-9.999 0.001
 上升时间, 秒 0.1-999.9 0.1 ±(1% of setting + 0.05秒)
 下降时间, 秒 0-999.9 0.1
 测试时间, 秒 0,0.3-999.9 0=连续 0.1
 电弧侦测 0,范围1-9,(0=关,9 zui高灵敏度)
 绝缘电阻 (7132,7142 ONLY)
 输出范围 1KVDC/999MΩ
 输出电压, DC 30-1000 10 ±(2% of setting + 5V)
 电阻上限, MΩ 0,1-9999(0=关) 1 ± ( 2% of setting+2counts )
 at 500-1000VDC,
 1 -1000 MΩ
 ± ( 5% of setting+2counts )
 at 500-1000VDC
 电阻下限, MΩ 1-9999 1 1000 -9999 MΩ
 ± ( 8% of setting+2counts )
 at 30-500VDC, 1 -1000 MΩ
 上升时间, 秒 0.1-999.9 0.1 ± ( 0.1% + 0.05sec )
 下降时间, 秒 0,1.0-999.9 0.1
 测试时间, 秒 0,0.5-999.9 0=连续 0.1
 测量
 交流/直流电压,KV 0-6.00 0.01 ± ( 1.5% of reading + 1count )
 直流电压,V (绝缘) 30-1000 1 ± ( 1.5% of reading + 5V )
 交流电流, mA
 
 0-3.500 0.001 ±( 2% of reading + 2counts )
 3.00-20.00 0.01
 直流电流, µA 0-350.0 0.1 ± ( 2% of reading + 2counts )
 直流电流, mA
 
 0.300-3.500 0.001
 3.00-7.50 0.01
 一般参数
 交流输入电压 115/230Vac±15%, 50/60Hz ± 5%, Fuse 3.15A
 PLC外部控制 Input : Test , Reset , Memory1.2.3 , Interlock
 Output : Pass , Fail , Processing , Reset-Out
 通讯接口 (选购) RS485 Interface
 存储 10 memories, 3 steps/memory
 显示屏 128×64 Graphic LCD
 安全 Built-in Smart GFI circuit,GFI trip current 450µA max,
 HV shut down speed: <1mS
 按键锁定 To prevent unauthorized alteration of the test Parameters
 较验 Build-in software and external calibrated meters
 验证 Build-in software driven verification menu to test fault detection circuits
 报警音量设置 Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume.
 环境 0-40℃, 20-80%RH
 尺寸/重量 215mm (W)×89mm(H)×370mm(D)/ 10Kg
 标配附件
 电源线(10A) ×1
 保险丝 ×2 (Including a spare contained in the fuse holder)
 解锁端子 ×1
 高压输出线 ×1
 高压回路线 ×1
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