华仪（EXTECH)7620泄露电流测试仪维修，电压输出不准，电流输出不准，校验不准.可量测常态、单一故障及接地失效的泄漏电流，可以和华仪耐压测试器结合使用，组成自动化测试系统.
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仿真阻抗，一组外接，使用效率高。
·Extech 7611 7620 7623 泄漏电流测试仪
泄漏电流测试仪的详细介绍
·可量测常态、单一故障及接地失效的泄漏电流。
·可以和华仪耐压测试器结合使用，组成自动化测试系统。
·量测频宽达1MHZ符合IEC相关标准要求。华仪（EXTECH)7620泄露电流测试仪维修
·可自动执行8组状态泄漏电流的量测。
·可外接标准GPIB/RS232界面作控制。
·内建多组程序记忆组(7611/7623 10组)。华仪（EXTECH)7620泄露电流测试仪维修
·前面板软件输入校正。
·键盘锁定功能。
·量测速度快，准确度高。华仪（EXTECH)7620泄露电流测试仪维修
·华仪 7611 7620 7623 泄漏电流测试仪详细技术参数如下：
SPECIFICATIONS | |||
MODEL | 7611 | 7620 | 7623 |
CURRENT MEASUREMENT | |||
Frequency Range | DC-1MHZ | ||
CMRR | >40dB@1MHZ | ||
Input Impedance/Capacitance | >1MΩ/<200pf | ||
Leakage current (7611&7620) | Resolution | Accuracy(DC-10KHZ) | Accuracy(10K-1MHZ) |
0.0-999.9, µA | 0.1 | ±(1.5%of reading+ 5counts) | ±(5%of reading+ 5counts) |
1000-6000, ?A | 1 | ±(1.5%of reading+ 2counts) | ±(5%of reading+ 5counts) |
Leakage current (7623) | Resolution | Accuracy(DC-200KHZ) | Accuracy(200K-1MHZ) |
0.0-999.9, ?A | 0.1 | ±(5%of reading+ 0.5 ?A) | ±(5%of reading+ 2 ?A) |
1000-9999, ?A | 1 | ||
LINE VOLTAGE MEASUREMENT | |||
Range | 0 - 300 VAC | ||
Resolution | 0.1 V | ||
Accuracy | ±(1%of reading+ 2counts) | ||
DUT | |||
DUT Input Power Rating | 30~300 VAC | 30~277 VAC | |
Single Phase Unbalanced (One Hot or Line conductor and One Neutral) | |||
DUT Current Capacity | 30A | 10A | 20A |
DUT Production | 32A , Short circuit current | 11A , Short circuit current | 22A , Short circuit current |
Response Time < 600msec | |||
SETTINGS | |||
High /Low Trip, ?A (7611&7620) | Range 0-6000?A (0=OFF), Resolution 1?A | ||
High /Low Trip, ?A (7623) | Range 0-9999?A (0=OFF), Resolution 1?A | ||
Delay Time, second | Range 0, 1.0-999.9 (0=continuous), Resolution 0.1second | ||
MEASUREMENT DEVICE CIRCUIT | |||
| A/B/C/D/E/F | A/E/F | |
MD A | UL 544 Non Patient 、 UL484 、 IEC60598 、 UL1363 | ||
MD B | UL 544 Patient Care | ||
MD C | IEC60601-1, UL2601-1, EN 60601-1 | ||
MD D | UL1563 | ||
MD E | UL60950, IEC60950, IEC61010-1, UL3101-1, IEC60335-1, IEC60990 | ||
MD F | External MD | ||
GENERAL | |||
Input Voltage | 115/230Vac±15%, 50/60Hz ± 5%, Fuse 2A/250V Slow-Blow fuse | ||
PLC Remote Control | Input : Test , Reset , Memory1.2.3 | ||
Output : Pass , Fail , Processing | |||
Memory | 10 memories, 8 steps/memory | 50 memories, 8 steps/memory | 10 memories, 8 steps/memory |
Display | 16×2 LCD with back light | 20×2 LCD with back light | 20×2 LCD with back light |
Key Lock | To prevent unauthorized alteration of the test Parameters | ||
Calibration | Build-in software and external calibrated meters | ||
Interface | GPIB/RS232 (Option) | ||
Alarm Volume Setting | Range: 0-9 ;0=OFF, 1 is softest volume, 9 is loudest volume. | ||
Environment | 0-40 ℃, 20-80 ％ RH | ||
Dimension | 430(W)×89(H)×400(D)mm | 430(W)×133(H)×400(D)mm | 430(W)×89(H)×400(D)mm |
Net Weight | 7.5Kg | 8.5Kg | 7.5Kg |
STANDARD ACCESSORIES | |||
Power Cord(10A) | ×1 | ×2 (10A/15A) | |
Fuses | ×2 (Including a spare contained in the fuse holder) | ||
Hipot Return Lead ,1.8m(1102) | ×2 | - | |
DUT I/P Power Cord ,1.6m(1761) | ×1 | - | - |
DUT I/P Power Cord ,1.6m(1762) | - | ×1 | - |
LLT Receptacle Adaptor Box 20A ,1.6m(1905) | - | ×1 | ×1 |
LLT Receptacle Adaptor Box 20A ,1.6m(1906) | ×1 | - | - |
*product specifications are subject to change without notice. | |||
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