Digital Insulation Tester · Test & Measurement
MIS‑D5
Handheld digital insulation tester for electrical installations, cables, motors and transformers — selectable DC test voltages 250/500/1000 V, insulation range 0.1 MΩ–2000 MΩ (2 GΩ max), AC up to 750 V / DC up to 1000 V, backlit 1999-count LCD, data-hold, lock test, alarms and overload protection.
250/500/1000 V DC0.1 MΩ–2000 MΩ (2 GΩ)1999-count backlit LCD
AC 750 V / DC 1000 VData hold & lock testAudible/visual alarms
Key features
Selectable test voltages
250 V, 500 V, 1000 V DC insulation tests.
Wide IR range
0.1 MΩ to 2000 MΩ (2 GΩ max) with ±(4% + 2 dgt) accuracy.
Multimeter functions
Measures AC up to 750 V and DC up to 1000 V.
Backlit LCD
1999-count display with data hold and over-range indication.
Safety & protection
Overload protection, audible/visual alarms, auto discharge after test.
Rugged & portable
Shock-resistant housing; lock test for long-duration measurements.
Where the MIS-D5 excels
Electrical installations
Switchboards, distribution circuits and building wiring.
Motors & transformers
Preventive maintenance with quick insulation checks.
Cables & equipment
Troubleshoot insulation degradation in the field.
Industrial service
Rugged handheld tool with clear pass/fail indications.
Ranges & key specifications
| Parameter | Specification |
|---|---|
| Display | 1999-count backlit LCD, ~60 × 32 mm |
| Insulation test voltages | 250 V / 500 V / 1000 V DC |
| Insulation resistance range | 0.1 MΩ – 2000 MΩ (2 GΩ max), accuracy ±(4% + 2 dgt) |
| Voltage measurement | AC up to 750 V; DC up to 1000 V |
| Short-circuit current | Approx. 1.4–1.8 mA |
| Frequency (AC) | 50–200 Hz |
| Sample rate | ~3 readings/sec |
| Input impedance | 1 MΩ |
| Power | 6×AA (LR6) batteries; ≤ 300 mW (no-load) |
| Protection | Overload protection; auto discharge after test; fuse 100 mA/60 V resettable |
See datasheet for full specifications and conditions.
What’s in the box
Standard accessories
- MIS-D5 instrument
- Test leads with alligator clips
- 6 × AA batteries
- User manual
Optional: Shoulder strap and AC adapter (sold separately).
Safety & Compliance
CAT
Category CAT III 600 V; IEC 61010-1
IEC
Standards IEC 61557 Parts 1/2; overload protection for voltage/resistance modes
Downloads
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