기기명 (Instrument) : Clamp Earth Tester
제작회사 (Manufacturer) : MULTI
형식 (Model) : MET-2
세부내용 (Description) :
Simple earth resistance measurements without auxiliary spikes and test leads.
FEATURES
Test frequencies are selected automatically to minimize erroneous measurements.
Earth resistance measurements for single and multi earthing systems.
Leakage current and load current measurements with 200mA, 2000mA and 20A ranges.
Data memory and auto power off function.
10Ω and 300Ω earth resistance ranges.
SPECIFICATIONS |
|
Withstanding Voltage |
AC 3700V, 1 minute (between CT core and CT handle) |
Insulation Resistance |
More than 100MΩ (between CT core and CT handle) |
Storage Temperature |
-10℃~60℃, < 80% (without condensation) |
Size and Weight |
Measuring CT:90.5(W)×165(H)×38(D)mm, approx.460g |
Operating Temperature |
0℃~40℃, < 85%RH ( without condensation) |
Power supply |
NiMH battery pack (1.2V x 5) |
Power consumption |
Approx. 380mA(Earth resistance measurement) |
Safety standard |
IEC 61010-1, IEC61010-2-032 |
Limitation of circuit voltage |
Less than 500V |
Accessories |
Measuring CT:1 |
Display |
LCD, 16 letters/characters × 2 lines |
Measuring function |
Earth Resistance, AC Current (Load and Leakage) |
A/D Conversion |
Dual slope integration mode |
Over range indication |
"OVER" on LCD |
Data hold indication |
"DH" mark on LCD |
Low battery indication |
"B" mark on LCD |
Battery life |
Approx.400 times measurements under full charged condition (Subject to the times of charging and discharging) |
Sampling |
Approx. 2 times/sec. for AC current |
Auto power off function |
Approx. 5 minutes after power on |
Measuring time |
Approx. 30 second for earth resistance |
Accuracy(Earth resistance) |
(23℃ ± 5℃, 85% RH or less) |
Accuracy(AC current) |
(23℃ ± 5℃, 85% RH or less) |
Measuring CT |
φ34mm with 2.5m lead |
Injection CT |
φ34mm with 2.5m lead |
Injection signal |
Approx. 160mVp-p, Auto sweep 4KHz~200kHz |
Battery charger |
AC200V~240V (50/60Hz) |
Memory function |
200 measuring data can be stored and displayed |
첨부 (Attach)
파일내용 (The content of file) :
#. Catalog (카달로그) :
#. Instruction Manual (사용설명서) :
사진 (Picture) :
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