MCGO

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
Injection CT:90.5(W)×165(H)×38(D)mm, approx.440g
Main unit:190(W)×140(H)×42 (D)mm, approx.800g

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
Installation CAT II 600V or CATⅢ 300V

Limitation of circuit voltage

Less than 500V

Accessories

Measuring CT:1
Injection CT:1
Battery charger:1
Carrying case:1
Subsidiary lead wire:1
Instruction manual:1

Display

LCD, 16 letters/characters × 2 lines
with contrast adjuster

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)
Range/Resolution/Accuracy
10Ω/0.01Ω/0.1～1Ω :±0.1Ω、1～10Ω :±0.5Ω
300Ω/0.1Ω/10～50Ω :±2.0Ω、50～150Ω :±5.0Ω、150～200Ω :±20Ω、200～300Ω :±30Ω

Accuracy(AC current)

(23℃ ± 5℃, 85% RH or less)
Range/Resolution/Accuracy
200mA/0.1mA/3% rdg ± 8dgt
2000mA/1mA/2% rdg ± 8dgt
20A/0.01A/2% rdg ± 8dgt

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

1.RANGE and VOLTAGE

Earth Resistance rage : 10Ω/100Ω/1000Ω(±3% of scale value)
Earth Voltage : 30V

2.ACCURACY(20℃)

a. Earth Resistance : ±3% of scale value 
---Effect of Earth Voltage : less than ±5% of reading value when earth voltage is 10V
---Effect of Auxiliary Earthing Resistance : ±3% of reading value when auxiliary earthing -------resistance is 50㏀

b. Earth Voltage :±3% of full scale value

3.BATTERY CHECK : by POWER/BATT LED lamp

4.POWER SOURCE : R6(1.5V)×8

5.SIZE & WEIGHT : 162(H)×98(W)×75(D)㎜, 525g(Net)

6.ACCESSORIES : One set of measuring cords
------------------(5m, 10m, 15m, simple measuring cord)
------------------Two Auxiliary Earth Rods 
------------------One carrying case One Sack for accessories 
------------------Manual

Range

0Ω-99.9Ω

100-2000Ω

Resolution

0.1Ω

1Ω

Accuracy

±(2%rdg±2Ω)

±(2%rdg±2dgt)

Range

0-40V

Resolution

0.1V

Accuracy

±(1.5%rdg±4dgt)

범   위

분 해 능

정 도

       0.010-0.99Ω

0.01Ω

±1%±0.01Ω

          1.0-49.9Ω

0.1Ω

±1.5%±0.1Ω

         50.0-99.5Ω

 0.5Ω

 ±2%±0.5Ω

             100-199Ω

   1Ω

    ±3%±1Ω

           200-395Ω

   5Ω

   ±6%±5Ω

           400-590Ω

     10Ω

  ±10%±10Ω

            600-1000Ω

 20Ω

    ±20%±20Ω

범   위

분 해 능

정 도

       0.010-0.99Ω

0.01Ω

±1%±0.01Ω

          1.0-49.9Ω

0.1Ω

±1.5%±0.1Ω

         50.0-99.5Ω

 0.5Ω

 ±2%±0.5Ω

             100-199Ω

   1Ω

    ±3%±1Ω

           200-395Ω

   5Ω

   ±6%±5Ω

           400-590Ω

     10Ω

  ±10%±10Ω

            600-1000Ω

 20Ω

    ±20%±20Ω

1-80mA

0.05mA

  ±3%±0.05mA

80mA-650mA

0.5mA

±3±0.5mA

650mA-4A

5mA

±3%± 5mA

4A-30A

10mA

 ±3%±10mA