| Parameter | Details |
| Brand | Meco |
| Model | MC-903 |
| Product Type | Analogue Insulation Tester |
| Test Voltage | 500V DC |
| Insulation Resistance Range | 0–100 MΩ |
| Accuracy | ±5% of indicated value |
| Power Supply | 6 × 1.5V AA Batteries |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -10°C to 60°C |
| Safety Standard | IEC 61010, CAT II |
| Scale Length | Approx. 80 mm |
| Weight | 1 kg |
| Dimensions (L x W x H) | 7.25 x 14.45 x 9.5 cm |
The Meco MC-903 Analogue Insulation Tester is a high-quality insulation resistance measuring instrument engineered for accurate testing of electrical insulation in industrial, commercial, and residential applications. Operating at a 500V DC test voltage with a measuring range of 0–100 MΩ, it enables technicians to quickly evaluate the insulation health of electrical systems and equipment.
Designed with a durable ABS yellow housing and a polycarbonate meter cover, the MC-903 provides excellent protection during daily use in demanding environments. Its single-person push-button operation simplifies insulation testing, while the analog display allows easy interpretation of measurement results.
The instrument delivers ±5% accuracy within the effective range and complies with IEC 61010 Installation Category II while generally conforming to IS 10656-1983 standards for insulation testers. It is suitable for preventive maintenance, troubleshooting, and routine inspections of:
Electric motors and generators
Power transformers
Industrial machinery
Power and communication cables
Commercial and residential electrical wiring
Household electrical appliances
Powered by six 1.5V AA batteries, the MC-903 is portable and convenient for on-site testing. It is supplied with test leads, carrying case, batteries, and a calibration certificate, making it ready for immediate use. Whether used by electricians, maintenance departments, utility engineers, or service technicians, the Meco MC-903 delivers dependable insulation testing performance with long-lasting durability.
Key Features:
500V DC insulation test voltage
Insulation resistance range:
0–100 MΩHigh accuracy of ±5% in the effective range
Single-person push-button operation
Rugged ABS case with polycarbonate front cover
Analog scale for quick and easy readings
Suitable for motors, transformers, cables, and electrical installations
Meets IEC 61010 Category II safety requirements
Battery-operated for portable field use
Supplied with carrying case, test leads, batteries, and calibration certificate
For more insights, contact us:
Email: sales@industrywaala.com
Contact Number: +91 7377 01 7377
