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 UN=50 V: 50 kΩ...2500 MΩ
00...9999 kΩ | 01 kΩ | ±(3% m.v. + 8 digits) [±(5% m.v. + 8 digits)]* |
1000...9999 MΩ | 0001 MΩ |
100...9999 MΩ | 001 MΩ |
1000...2500 MΩ | 01 MΩ |
*for the WS-04 lead
Measuring range according to EN 61557 - 2 for UN=100 V: 100 kΩ...5000 MΩ
00...9999 kΩ | 01 kΩ | ±(3% m.v. + 8 digits) [±(5% m.v. + 8 digits)]* |
1 000...9999 MΩ | 0001 MΩ |
100...9999 MΩ | 001 MΩ |
1000...5000 MΩ | 01 MΩ |
*for the WS-04 lead
Measuring range according to EN 61557 - 2 for UN=250 V: 250 kΩ...2000 GΩ
00...9999 kΩ | 01 kΩ | ±(3% m.v. + 8 digits) [±(5% m.v. + 8 digits)]* |
1000...9999 MΩ | 0001 MΩ |
100...9999 MΩ | 001 MΩ |
1000...9990 MΩ | 01 MΩ |
1000...2000 GΩ | 0001 GΩ |
*for the WS-04 lead
Measuring range according to PN-EN 61557 - 2 for UN=500 V: 500 kΩ...2000 GΩ
00...9999 kΩ | 01 kΩ | ±(3% m.v. + 8 digits) [±(5% m.v. + 8 digits)]* |
1000...9999 MΩ | 0001 MΩ |
1000...9999 MΩ | 001 MΩ |
1000...9990 MΩ | 01 MΩ |
1000...9999 GΩ | 0001 GΩ | ±(4% m.v. + 6 digits) [±(6% m.v. + 6 digits)]* |
1000...2000 GΩ** | 001 GΩ |
*for the WS-04 lead
**for the WS-04 lead range to 10 GΩ
Measuring range according to EN 61557 - 2 for UN=1000 V: 1000 kΩ...1000 GΩ
00...9999 kΩ | 01 kΩ | ±(3% m.v. + 8 digits) |
1000...9999 MΩ | 0001 MΩ |
1000...9999 MΩ | 001 MΩ |
1000...9990 MΩ | 01 MΩ |
1000...9999 GΩ | 0001 GΩ | ±(4% m.v. + 6 digits) |
1000...9999 GΩ | 001 GΩ |
1000 GΩ | 01 GΩ |
Continuity measurement of protective and equipotential conductors with the 200 mA current
Measuring range according to EN 61557 - 4: 010...1999 Ω
000...1999 Ω | 001 Ω | ±(2% m.v. + 3 digits) |
200...1999 Ω | 01 Ω |
200...1999 Ω | 1 Ω | ±(4% m.v. + 3 digits) |
- Voltage on open terminals: <8 V
- Output current at R <2 Ω: ISC >200 mA: ISC >200 mA
- Compensation of test leads’ resistance
- Unidirectional current flow
Low-voltage and resistance measurement
00...1999 Ω | 01 Ω | ±(3% m.v. + 3 digits) |
200...1999 Ω | 1 Ω |
- 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
1...999 nF | 1 nF | ±(5% m.v. + 5 digits) |
100...999µF | 001µF |
- Capacitance value displayed during the RISO measurement
- For test voltages below 100 V and measured resistance below 10 MΩ unspecified capacitance measurement error
Measurement of alternating and direct voltage
00...2999 V | 01 V | ±(2% m.v. + 6 digits) |
300...600 V | 1 V | ±(2% m.v. + 2 digits) |
Frequency range: 45...65 Hz