品牌
代理商厂商性质
苏州市所在地
中国台湾华仪电子EXTECH 1978年创立，EXTECH为电子安规检测仪器的，产品包括耐压测试仪、绝缘阻抗测试仪、接地阻抗测试仪、泄漏电流（接触电流）仪、交流变频电源等。
Extech ESA112 电源泄漏电流测试仪超过30年的经验累积，中国台湾华仪电子、美国AR跨国研发团队合作；在产品服务上，坚持专业技术、产品设计与zui高品质。近30年来，华仪对于产品完善品质的坚持与提供客户完整解决方案的努力，获得客户的广在回响，让华仪始终稳居大中华地欧测试仪器市场。我司做为中国台湾华仪电子EXTECH多年的战略合作伙伴，我们将提供更好的服务及更低的价格。
| 产品特点 | |
| · | 显示器升级为 OLED，显示明亮清晰容易阅读 |
| · | 可以和华仪耐压测试仪结合使用，组成自动化测试系统 （ESC-125 only） |
| · | 内建 99 组程序记忆组 |
| · | 泄漏电流提供 Peak 值量测 （ESC-112 only） |
| · | 内置微处理器，数值精准，操作简易 |
| · | *符合安全标准的规范 |
| · | 内建常见标准的人体模拟阻抗，一组外接，使用效率高 |
| · | 可量测常态，单一故障及接地失效的泄漏电流 |
| · | 量测带宽达 1MHz 符合 IEC 相关标准要求 |
| · | 可自动执行 8 组状态泄漏电流的量测 （ESC-112 only） |
| · | 可外接标准 GPIB / USB & RS232 界面作控制 |
| · | 前面板软件输入校正 |
| · | 键盘锁定功能 |
| · | 量测速度快，准确度高 |
| MODEL | ESC-112 | ESC-125 | ||
|---|---|---|---|---|
| Input Voltage | ||||
| Voltage | 115 / 230VAC ± 15%, User selection | |||
| Frequency | 50 / 60 Hz ± 5% | |||
| Fuse | 2A / 250V Slow-Blow fuse | |||
| Line condition | ||||
| Power Switch | Reverse polarity switch setting select ON / OFF | |||
| Neutral Switch | Neutral switch on/off selection for single fault condition | |||
| Ground Switch | Ground switch on/off selection for class I single fault condition | |||
| Probe Setting | ||||
| Ground to Line （G – L） | V | V | ||
| Surface to Line （PH – L） | V | - | ||
| Surface to Surface （PH – PL） | V | - | ||
| Ground to Neutral （G – N） | - | V | ||
| Auto Function （G - L & G - N） | - | V | ||
| SETTING | ||||
| Leakage HI / Lo Trip | Range | 0uA, 1uA - 10000uA （ 0 = OFF ） | 0uA, 1uA - 10000uA （ 0 = OFF ） | |
| Resolution | 1uA | 1uA | ||
| LeakageHI / Lo Trip （Peak） | Range | 0uA, 1uA - 15000uA （ 0 = OFF） | - | |
| Resolution | 1uA | |||
| Leakage Current RMS Display | ||||
| Range | MD Major Resistance is 0.5KΩ | MD Major Resistance is 1KΩ | MD Major Resistance is 1.5KΩ | |
| Range 1 | 0.0uA - 260.0uA | 0.0uA - 130.0uA | 0.0uA - 85.0uA | |
| Range 2 | 240.0uA - 999.9uA, 1000uA - 1050uA | 120.0uA - 525.0uA | 80.0uA - 350.0uA | |
| Range 3 | 800.0uA - 999.9uA, 1000 - 4200uA | 400.0uA - 999.9uA, 1000uA - 2100uA | 266.6uA - 999.9uA, 1000uA - 1400uA | |
| Range 4 | 3600uA - 10000uA | 1800uA - 10000uA | 1200uA - 10000uA | |
| Leakage Current RMS Display | ||||
| Range | Frequency | Basic Accuracy | ||
| Range 1 - 4 （for ESC-112） | DC, 15Hz - 10KHZ | ± （2% of reading + 5 counts） | ||
| 10K-1MHZ | ± （5% of reading） | |||
| Range 1 - 4 （for ESC-125） | DC, 15Hz - 200KHZ | ± （2% of reading + 5 counts） | ||
| 200K - 1MHZ | ± （5% of reading） | |||
| Leakage Current Peak Display （ for ESC-112 ） | ||||
| Range | MD Major Resistance is 0.5KΩ | MD Major Resistance is 1KΩ | MD Major Resistance is 1.5KΩ | |
| Range 1 | 0uA - 260uA | 0uA - 130uA | 0uA - 85uA | |
| Range 2 | 240uA - 1050uA | 120uA - 525uA | 80uA - 350uA | |
| Range 3 | 800uA - 4200uA | 400uA - 2100uA | 266uA - 1400uA | |
| Range 4 | 3600uA - 15000uA | 1800uA - 15000uA | 1200uA - 15000uA | |
| Leakage Current Peak Display （ for ESC-112 ） | ||||
| Range | Frequency | Basic Accuracy | ||
| Range 1 - 4 | DC, 15Hz - 1MHZ | ± （10% of reading + 2uA） | ||
| MD Circuit module | ||||
| Measuring Device （MD） | A, B, C, D, E, F, G | A, E, F, G | ||
| MD A. UL 544 Non Patient, UL484 | ||||
| MD B. UL 544 Patient Care | ||||
| MD C. IEC60601-1, UL2601-1, EN 60601-1 | ||||
| MD D. UL1563 | ||||
| MD E. UL60950, IEC60950, IEC61010 - 1, IEC60335-1, IEC60990 | ||||
| MD F. External MD | ||||
| MD G. Basic measuring element 1KΩ of Frequency check | ||||
| MD Components | Resistance accuracy = 1%; Capacitance accuracy = 5% | |||
| MD Voltage Limit | Maximum 32Vdc | |||
| Internal Leakage | 1. Internal Leakage current = 65uA, 2. 277V applied to Ph max leakage current = 70uA | |||
| Leakage Current Offset | Range : 0 - 999.9uA ; Resolution : 0.1uA | |||
| DUT POWER | ||||
| AC Voltage Display | Range | 30.0- 300.0V | ||
| Resolution | 0.1V | |||
| Accuracy | ± （1% of reading + 2 counts） , 30.0 - 300.0VAC | |||
| AC Current | 30A max continuous | |||
| Over current protection | 32A, Response time < 600ms / 68Apeak, Response time < 600ms | |||
| Delay Time | Range | 0, 1.0 - 999.9s （0 = continuous） | ||
| Resolution | 0.1s | |||
| GENERAL | ||||
| PLC Remote Control | Input : Test, Reset, and Recall Memory 1 through 3, Output : Pass, Fail, Processing for ESC-112; Pass, Fail, Processing, Start-Out, Reset-Out for ESC-125 | |||
| Memory | 99 memories, 8step / memory | |||
| Display | 20 x 2 OLED | |||
| Alarm Volume Setting | Range : 0 - 9; 0 = OFF, 1 is softest volume, 9 is loudest volume | |||
| Key Lock | To prevent unauthorized alteration of the test Parameters | |||
| Calibration | Software and adjustments are made through front panel | |||
| Interface | Optional USB & RS232, GPIB | |||
| Environment | 0 - 40ºC, 20 - 80%RH | |||
| Dimension （W xH x D）, mm | 430 x 89 x 400 | |||
| Net Weight | 11.5Kg | |||
| *product specifications are subject to change without notice. | ||||
