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Ⅰ.INTRODUCTION
MEWOI7800 High Accuracy Clamp Leaker is specially designed for measurement of AC leakage current; by adopting up-to-date CT technology and digital integration technology, it is a product with relatively small size, large clamp, high accuracy and perfect function compared with similar leakers in the world. The leaker could be widely applied in those fields as electricity, communications, meteorology, railroad, oilfield, construction, measurement, scientific & research teaching institutes, industrial and mining establishments. Clamp core of this High Accuracy Clamp Leaker adopts special alloy; in addition, with utilization of magnetic shielding technology, it is almost free from influences of external magnetic field so as to ensure high precision, high stability and high reliability of perennial continuous measurement. This High Accuracy Clamp Leaker obtains one USB interface. With the help of the software that we provide, many functions are available. For example, the meter can realize on-line monitoring, historical data inquiry, active curve drawing, indication of max, min and average value and indication, alarm value setting, indication of alarm value, historical data inquiry, export, and print. This meter can use to measure current of AC circuit with AC voltage lower than 600V, on-line current; and have the function of peaking holding, data holding data storage; with convenient use, it is essential tool for electrician safety testing. |
Ⅱ.APPLICATION
Specification
Function | Measurement of AC leakage current, AC current and on-line measurement |
Power | Zn-Mn dry battery,6F22,9V |
Size of clamp | Φ68mm |
Range | AC 0.00mA~1200A |
Resolution | 0.01mA |
Accuracy (23℃±3℃, below 70%RH) | 0.00mA~59.9A: ±1.5%±5dgt |
| 60.0A~199A: ±2%±5dgt | |
| 200A~599A: ±3%±5dgt | |
| 600A~1200A: ±4%±5dgt | |
Test Mode | Clip-on CT, integral mode |
Display Mode | Four digits LCD display |
Dimension | HxWxT:224mmX115mmX43mm |
LCD Dimension | 35mm×21.5mm;display domain:32mm×15mm |
Sampling Rate | about 2 times/s |
Range Shift | Automatically |
Voltage Range | AC600V |
USB Interface | Data stored in the memory of the meter via USB upload to PC, or on-line monitoring |
USB line | 1.5m |
Storage | 99units，all used when display FULL |
Peak Hold | Push HOLD without release, the meter will show the peak value during the pushing period |
Reading Hold | DH indicating the reading is hold |
Out of Range | OL indicating the current is out of range |
Auto Power-off | 5 Minutes after power on, it will power off automatically to lower the power consumption |
Battery Voltage | Indicating the battery voltage is lower than 7.2V.Then the battery have to be changed |
Weight | 515g(including the battery) |
Consumption | About 15mW |
Temperature and Humidity | Working: 0℃~40℃,below 80%rh, |
Temperature and Humidity | Storage: -10℃~60℃,below 70%rh |
Insulating Strength | AC2kV/rms.(between the alloy of the clamp and the housing) |
Applicable Safety Rules | IEC1010-1、IEC1010-2-032、pollution, etc 2、CAT Ⅲ(600V) |
Accessories | Meter: 1pc; toolkit:1pc; USB communication line:1 pc; disk: 1 pc . |
