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Product introduction
MEWOI4600 Intelligent Equipotential Bonding Resistance Tester is used to measure the resistance of connecting conductors between various electrical equipment and the earth grid and the equipotential resistance between metal components in buildings. It can also measure the contact resistance of switches and socket contacts. And other low-value resistors , with micro-ohm meter function, range: 0.0010Ω~40Ω . MEWOI4600 intelligent equipotential bonding resistance tester consists of a host, monitoring software, test lines, communication lines, etc. Host LCD display, Chinese operation interface, clear at a glance. At the same time, it has a large storage space and can store 6000 sets of data. The monitoring software has online real-time monitoring and historical query functions, dynamic display, maximum, minimum, average value indication, alarm value setting and alarm indication functions, and historical data reading, consulting, saving, reporting, printing and other functions. |
Technical parameter
| power supply | DC7.4V 2.6Ah rechargeable lithium battery |
| LCD size | 44mm×27mm (with backlight) |
| Range | 0.0010Ω~40Ω |
| Resolution | Resistance: 0.0001Ω |
| precision | 0.1Ω～40Ω, △≤1% Rx (Rx is the measured resistance value) |
| 0.01Ω～0.1Ω，△≤10%·Rx | |
| data storage | 6000 groups |
| Data upload function | With RS232 interface, software monitoring, stored data can be uploaded to computer, saved and printed |
| Automatic shut-down | no automatic shutdown |
| power | Working current: 1A Max |
| working environment | -10℃~40℃; below 80%rh |
| storage environment | -10℃~60℃; below 70%rh |
| Measurement methods | 2-way A/D simultaneous detection |
| measure time | 3 seconds/time |
| line voltage | try to avoid |
| overflow display | "OL" symbol display |
| Alarm function | When the measured value exceeds the alarm setting value, "beep-beep-beep--" alarm prompt |
| low battery | When the battery voltage drops to about 5V, the low battery voltage symbol will be displayed to remind you to replace the battery. |
| overload protection | Ground resistance: AC 280V/3 seconds between each port of EP and EC |
| Insulation resistance | More than 20MΩ (500V between the circuit and the shell) |
| Pressure resistance | AC 3700V/rms (between the circuit and the case) |
| Electromagnetic properties | IEC61010-4-3, radio frequency electromagnetic field≤1V/m |
| Suitable for safety regulations | IEC61010-1 (CAT Ⅲ 300V, CAT IV 150V, pollution degree 2); |
| IEC61010-031； | |
| IEC61557-1 (grounding resistance); | |
| IEC61557-5 (soil resistivity); | |
| JJG 366-2004。 | |
| Clamp quality | About 1300g (including battery) |
| Meter size | Length x width x thickness: 205mm x 200mm x 85mm |
Product number
| model | Maximum test current | Range | highest resolution |
| MEWOI4600 | 1A | 0.0010Ω～40Ω | 0.0001Ω |
| MEWOI4700 | 2a | 1mΩ～30.0kΩ | 1mΩ |
| MEWOI4700C | 4A | 1mΩ～30.0kΩ | 1mΩ |
