• Insulation resistance measurement:
  - selected test voltage: 50, 100, 250, 500, 1000 V,
  - continuous indication of insulation resistance or leakage current,
  - automatic discharge of capacitance of tested object after the insulation resistance measurement,
  - acoustic signalling of five-second periods to facilitate obtaining time characteristics,
  - indication of actual test voltage during the measurement,
  - protection against measuring live objects,
  - three-lead measurement.
• Continuity measurement of protective and equipotential conductors according to EN 61557 - 4 with the >200 mA current
• Low-voltage circuit continuity and resistance measurement:
  - circuit resistance measurement (<1999 ) with the <15 mA current,
  - quick sound signal if circuit resistance is below 30Ω.
• Capacitance measurement during the R_ISO measurement
• Measurement of alternating and direct voltages in the 0...600 V range.
• Power supply: 4 AA disposable or rechargeable batteries, monitoring of power supply voltage.
• Meter conform to EN 61557.

Electric safety:

• type of insulation: double, according to EN 61010 - 1 and IEC 61557
• measurement category: IV 600 V (III 1000 V) according to EN 61010 - 1
• protection class acc. to EN 60529: IP67

Other technical specifications:

• power suply: 4 alkaline batteries or or battery package Ni-MH
• weight: ~1 kg
• dimentions: 220 x 100 x 60 mm

Insulation resistance measurement

Measuring range according to EN 61557 - 2 for U_N=50 V: 50 kΩ...250,0 MΩ

Measuring range according to EN 61557 - 2 for U_N=100 V: 100 kΩ...500,0 MΩ

Measuring range according to EN 61557 - 2 for U_N=250 V: 250 kΩ...2,000 GΩ

Measuring range according to PN-EN 61557 - 2 for U_N=500 V: 500 kΩ...5,00 GΩ

Measuring range according to EN 61557 - 2 for U_N=1000 V: 1000 kΩ...10,00 GΩ

Continuity measurement of protective and equipotential conductors with the 200 mA current

Measuring range according to EN 61557 - 4: 0,10...1999 Ω

• Voltage on open terminals: <8 V
• Output current at R <2 Ω: I_SC >200 mA: I_SC >200 mA
• Compensation of test leads’ resistance
• Unidirectional current flow

Low-voltage and resistance measurement

• Voltage on open terminals: <8 V
• Current for closed terminals 5 mA < ISC < 15 mA
• Sound signal and green LED on when measured resistance < 30 Ω ± 50%
• Compensation of test leads’ resistance,

Capacitance measurements

• Capacitance value displayed during the R_ISO measurement
• For test voltages below 100 V and measured resistance below 10 MΩ, unspecified capacitance measurement error

Measurement of alternating and direct voltage

• Frequency range: 45...65 Hz