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DIGITAL INSULATION RESISTANCE TESTER

MIS-2D

25V/20MΩ,250V/50MΩ
500V/100MΩ

FEATURES

  • The big digital and bargraph LCD display with back light enabled easy observation. Especially useful when working in dark place.
  • Hand free and continuous measurements with custom made switch
  • Safe design with built in automatic discharging function for any capacitors present in the circuit.
  • The voltage in the circuit or capacitor can be checked by warning lamp for safe insulation measurements.
  • Data hold and auto power off function
  • Compact, light weight and heavy duty rugged case.

MIS-3D

25V/ 20MΩ, 250V/ 50MΩ
1000V/2000MΩ

FEATURES

  • The big digital and bargraph LCD display with back light enabled easy observation. Especially useful when working in dark place.
  • Hand free and continuous measurements with custom made switch
  • Safe design with built in automatic discharging function for any capacitors present in the circuit.
  • The voltage in the circuit or capacitor can be checked by warning lamp for safe insulation measurements.
  • Data hold and auto power off function
  • Compact, light weight and heavy duty rugged case.

MIS-4D

125V/ 20MΩ, 250V/ 50MΩ
1000V/2000MΩ

FEATURES

  • The big digital and bargraph LCD display with back light enabled easy observation. Especially useful when working in dark place.
  • Hand free and continuous measurements with custom made switch
  • Safe design with built in automatic discharging function for any capacitors present in the circuit.
  • The voltage in the circuit or capacitor can be checked by warning lamp for safe insulation measurements.
  • Data hold and auto power off function
  • Compact, light weight and heavy duty rugged case.

SPECIFICATIONS

 

Function:Insulation resistance, AC voltage
Display:31/2 digit LCD with bargraph display, max.
reading of 3200 count and annunciators
Response time:Less than 5 sec. (Auto ranging)
Data hold indication:”DH” mark on LCD readout
Infinity indication:”OL(∞)” mark on LCD readout
(Over 3200 count)
Safety standard:IEC 61010-1 CATⅡ, 600V
E.M.C. standard:EN 61326
Constructional standard:IEC 61557-2
Insulation resistance:DC 500V-50MΩ or more (MIS-2D)
DC 1000V-50MΩ or more (MIS-3D, MIS-4D)
Withstanding voltage:AC 3700V, 1 minute
(Between input terminal and outer case)
Overload protection:120% of the highest nominal output voltage (10sec.)
Low battery indication:”B“ mark on LCD readout
Temperature characteristics (0〜40℃):±5%rdg of specified accuracy
Operating temperature:0℃ to 40℃, 80% RH max. (Non-condensing)
Storage temperature:-10℃ to 60℃, 80% RH max. (Non-condensing)
Power supply:1.5V (“AA” size,LR6)×6
Size:170(W)×105(D)×54(H)㎜
Weight:Approx. 365g (Excluding batteries)
Accessories:Line test lead ……………..1
Earth test lead ……………1
Batteries ……………………6
Test lead case ……………1
Belt …………………………..1
Instruction manual ………1
Optional accessory:Remote switch test lead

Measuring Ranges and Technical Data

Insulation Resistance Measurement
ModelMIS-2DMIS-3DMIS-4D
Rated voltage & effective
measuring range
125V- 20MΩ 250V- 50MΩ 500V-100MΩ125V-20MΩ 250V-50MΩ 1000V-2000MΩ125V-20MΩ 250V-50MΩ 1000V-2000MΩ
Minimum measurable resistance at rated voltage0.125MΩ 0.25MΩ 0.5MΩ0.25MΩ 0.5MΩ 1MΩ0.125MΩ 0.25MΩ 1MΩ
Rated current1mA+20%-0%
Maximum no-load voltageRated voltage+30%-0%
Short circuit current< 2mA
Accuracy
Rated voltageDC 125VDC 125VDC 250VDC 500V
0〜20MΩ〜0L(∞)0〜50MΩ〜0L(∞)0〜100MΩ〜0L(∞)0〜2000MΩ〜0L(∞)
First effective range0.02MΩ〜10MΩ
< ±5%rdg
0.05MΩ〜20MΩ
< ±5%rdg
0.1MΩ〜50MΩ
< ±5%rdg
2MΩ〜1000MΩ
±5%rdg
Second effective range0.01MΩ〜0.02MΩ
10MΩ〜100MΩ
<±10%rdg
0.02MΩ〜0.05MΩ
20MΩ〜100MΩ
<±10%rdg
0.05MΩ〜0.1MΩ
50MΩ〜100MΩ
<±10%rdg
1MΩ〜2MΩ
1000MΩ〜2000MΩ
<±10%rdg
Other range100MΩ〜0L(∞)
Not specified
2000MΩ〜0L(∞)
Not specified
AC voltage measurement (50/60Hz)
RangeAccuracylnput impedanceMaximum input voltage
AC 600V±2.5% of full scaleApprox.2.0MΩAC 600V rms