whatsapp

LIVE LINE CLAMP INSULATION RESISTANCE TESTER

MLIT-1

FEATURES

  • Easy and convenient live line insulation measurements for servomotor, equipments and power line.
  • 10MΩ〜20MΩ insulation resistance measurements with super accurate ZCT.
  • The least influence from external magnetic field and noise.
  • Phase voltage and leakage is also measurable.
  • 99 sets of memory storage function for measured data.

PRIMARY SPECIFICATIONS

1) VOLTAGE INPUT SECTION

Voltage Input:Phase voltage (AC 50〜500V) Single phase detection
Phase Detection Method:(Single phase detection is also used for three phase circuit)
Input Impedance:More than 1MΩ
Input Frequency:50Hz or 60Hz switchable
Resolution:0.1V
Input Method:Direct input by test lead

2) CURRENT DETECTION SECTION

Detection Method:Split core type ZCT
CT Inside Size:φ30㎜
CT Opening/Closing:Manual slide method
Withstanding Voltage:AC 2000V, 1 minute

3) MEASUREMENT SECTION

Measuring Function:AC Leakage current/line current, AC voltage, Insulation resistance Measuring range
AC Leakage/Line Current:0〜AC 200.0μA/2mA/20mA/200mA (Auto-ranging)
AC Voltage:0〜500.0V (1 range) Resolution
AC Leakage/Line Current:0.1μA
AC Voltage:0.1V
Insulation Resistance:Computation by current and voltage
Input Frequency:45Hz 65Hz (50Hz/60Hz switchable)
A/D Conversion:Dual slope integration method
AC Conversion:Average sensing, true rms reading method
Display:LCD, max. 1999 count with annunciator
Over Range Indication:“OL” mark on LCD
Data Hold Indication:“DH” mark on LCD
Low Battery Indication:“B” mark on LCD
Sampling Rate:2 times/sec (Without internal calibration)
Memory Storage:Measuring Data 99 sets
Operating Temperature:0〜40ºC, < 85%RH (without condensation)
Storage Temperature:-10〜60ºC, < 70%RH (without condensation)
Withstanding Voltage:AC 2000V/1 minute (between CT and handle)
Limitation of Circuit Voltage:Less than AC 500V for insulated cable
Auto Power Off:Approx. 10 minutes after last key operation
Power Supply:LR6, AM-3 or AA size Alkaline battery×4

4) ACCURACY
Leakage (Io), Line (I), Resistive (Ior)

RangeMin ResolutionAccuracy(45〜65Hz)
Voltage 0.1V0~499.9V±1.0%rdg±10dgt
I,Io200μA0.1μA0~199.9μA±1.0%rdg±10dgt
2mA0.001mA0.200~1.999mA±1.0%rdg±10dgt
20mA0.01mA2.00~19.99mA±1.0%rdg±10dgt
200mA0.1mA20.0~220.0mA±1.0%rdg±10dgt
Ior200μA0.1μA0~199.9μA±1.5%rdg±15dgt
2mA0.001mA0.200~1.999mA±1.5%rdg±15dgt
20mA0.01mA2.00~19.99mA±1.5%rdg±15dgt
200mA0.1mA20.0~220.0mA±1.5%rdg±15dgt