• Bargraph to display insulation resistance.
• Displays the value of external AC voltage along with flashing symbol.
• Auto null function to automatically subtract the test lead resistance before displaying the real continuity resistance value.
• Live circuit warning beeper.
• Releasing the test button automatically discharges the charges stored in the circuit under test.
• 200mA continuity measuring current to IEC 61557.
• Minimum 1mA current on insulation tests to IEC 61557.
Insulation Resistance:
- Test voltage: 250V/500V/1000V
- Measuring ranges (Mid-scale value): 20MΩ/200MΩ/2000MΩ
- Output voltage on open circuit: Rated test voltage +20%, -0%
- Nominal current: 1mA DC min.
- Output short circuit current: 1.5 mA DC approx.
- Accuracy:
- ±1.5%rdg±5dgt (20MΩ/200MΩ)
- ±10%rdg±3dgt (2000MΩ)
Continuity Test:
- Measuring ranges (Mid-scale value): 20Ω/200Ω/2000Ω
- Output voltage on open circuit: 7 – 12V DC
- Measuring current: 200mA DC min.
- Accuracy:
- ±1.5%rdg±5dgt (20Ω)
- ±1.5%rdg±3dgt (200Ω/2000Ω)
AC Voltage:
- AC voltage range: 0 – 600V AC
- Accuracy: ±5%rdg±3dgt
General:
- Safety Standard: IEC 61010-1 CAT III 300V Pollution Degree 2
- IEC 61010-2-031, IEC 61557-1/2/4
- IP Rating: IEC 60529-IP54
- EMC Standard: IEC 61326-1
- Power source: R6 (AA) (1.5V) × 8
- Included Accessories:
- 7122B (Test leads)
- Pouch for test leads
- 8923 (F500mA/600V fuse) × 2
- R6 (AA) × 8
- Shoulder Strap
- Instruction Manual