Insulation Resistance Tester · Test & Measurement
MIT-4500 series
Wide-range insulation resistance tester for cables, motors, generators and HV equipment — model-dependent test voltages up to 15 kV and resistance up to 50 TΩ, anti-interference design for substations, timer-based logging with 500-group storage and USB PC software.
Up to 15 kV (model-dependent)0.01 MΩ–50 TΩShort-circuit ≥6 mA
PI & DARTimer & 500 memoriesUSB PC software
DC 0–1000 V / AC 0–750 VCapacitance 10 nF–50 µFCAT III 300 V
Key features
High-voltage IR testing
Model-dependent test voltages up to 15 kV with wide resistance range to 50 TΩ.
Anti-interference design
Stable measurement in high-induction substation environments.
PI & DAR
Automatic polarization index and dielectric absorption ratio calculations.
Timer & storage
Adjustable filter test (10–50 s) and 500-group internal memory with review.
Multi-parameter
Measures IR plus DC/AC voltage, DC current and capacitance.
PC software
USB interface for monitoring, download, save and print reports.
Where the MIT-4500 series excels
Power & substations
IR testing on transformers, switchgear, arresters and transmission lines.
Motors & generators
Assess insulation health with PI/DAR and trendable timed tests.
Cables & HV equipment
Wide range measurement with strong anti-interference capability.
Maintenance & QA
Fast, repeatable procedures with on-device storage and PC upload.
Ranges & key specifications
| Parameter | Specification |
|---|---|
| Models | MIT-4505 / MIT-4510 / MIT-4515 |
| Rated test voltage | 4505: 100 V–5 kV · 4510: 250 V–10 kV · 4515: 500 V–15 kV |
| Insulation resistance range | 4505: 0.01 MΩ–10 TΩ · 4510: 0.01 MΩ–35 TΩ · 4515: 0.01 MΩ–50 TΩ |
| DC/AC voltage measurement | DC 0–1000 V (0.1 V res) · AC 0–750 V (0.1 V res) |
| DC current | 0.01 nA–6 mA |
| Capacitance | 10 nF–50 µF |
| Short-circuit current | ≥ 6 mA |
| Functions | PI / DAR, filter test 10–50 s, 500 memories, alarms, auto power-off |
| Display | Large LCD 108 × 65 mm with backlight |
| Interfaces | USB PC software (monitoring, save & print) |
| Power | Rechargeable Li-ion battery pack 6.2 Ah |
| Dimensions / mass | 240 × 188 × 85 mm · ≈ 2.75 kg (with battery) |
| Safety | IEC 61010-1, IEC 61010-2-031, IEC 61557-1/5; IEC 60529 IP54; CAT III 300 V |
See datasheet for full specifications and conditions.
Model comparison
| Model | Nominal test voltages | IR range | PI / DAR | Memory | Interfaces | Part No. |
|---|---|---|---|---|---|---|
| MIT-4505 | 100, 250, 500, 1000, 2500, 5000 V | 0.01 MΩ–10 TΩ | Yes | 500 groups | USB (software) | 464505 |
| MIT-4510 | 250, 500, 1000, 2500, 5000, 10 kV | 0.01 MΩ–35 TΩ | Yes | 500 groups | USB (software) | 474510 |
| MIT-4515 | 500, 1000, 2500, 5000, 10 kV, 15 kV | 0.01 MΩ–50 TΩ | Yes | 500 groups | USB (software) | 484515 |
All models: short-circuit ≥ 6 mA; DC 0–1000 V; AC 0–750 V; capacitance 10 nF–50 µF.
What’s in the box
Standard accessories
- HV test lines ×2 (1.5 m each)
- HV rod ×1 (3 m)
- Battery charger
- USB cable & PC software
- Quick-start manual
- Hard carry case
Items may vary by configuration.
Safety & Compliance
IEC
Standards IEC 61010-1, IEC 61010-2-031, IEC 61557-1/5
CAT
Measurement Category CAT III 300 V; IP54 enclosure
Downloads & Resources
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