• 绝缘电阻值长条图显示.
• 闪烁符号显示外部交流电压值.
• 自动归零功能减少测试线阻抗，得到导通阻抗测量真实值.
• 跟踪/锁定功能测试绝缘和导通时可延长电池寿命.
• 检测到带电线路有蜂鸣警示.
• 释放测试按钮后，自动释放线路上测量时所存储的电量.
• 在照明黑暗处背光灯可清楚显示测量结果.
• 200mA 导通测量电流符合IEC 61557.
• 最小1mA绝缘测试电流符合IEC 61557.
| 测试电压 | 250V/500V/1000V |
|---|---|
| (中刻度值) | 20MΩ/200MΩ/2000MΩ |
| 额定电流 | 最小1mA DC. |
| 测量范围 开路输出电压 | 7 - 12V DC |
| 测量电流 | 最小200mA DC. |
| 精确度 | ±1.5%rdg±5dgt (20Ω) ±1.5%rdg±3dgt (200Ω/2000Ω) |
| 精确度 | ±5%rdg±3dgt |
|---|
| 等级 | IEC 60529-IP54 |
|---|---|
| EMC 电池 | R6 (AA) (1.5V) × 8 |
| 重量 | 约990g |
| <span background-color:#e9f6fe;"="" style="margin: 0px; padding: 0px;">附件 | 7122B (测试线) 线箱 8923 (F500mA/600V 保险丝) × 2 R6 (AA) × 8 肩带 使用说明书 |
Insulation resistance value displayed via bar graph12.
Flickering symbols indicate external AC voltage values12.
Automatic zero-return function reduces test line impedance to obtain true conduction impedance measurement12.
Track/Lock function extends battery life during insulation and conduction testing (specifically for MODEL 3007A)12.
Audible buzzer alert when live circuits are detected12.
Automatic discharge of stored electrical charge on the line after releasing the test button12.
Backlight ensures clear measurement visibility in low-light conditions (available in MODEL 3007A)25.
200mA conduction measurement current complies with IEC 6155712.
Minimum 1mA insulation test current meets IEC 61557 standards12.
