
| Brand | Meco |
| Model | MC-904 |
| Product Type | Analog Insulation Tester |
| Test Voltage | 500V DC |
| Insulation | Resistance Range 0–500 MΩ |
| Display | Analog |
| Accuracy | ±5% of indicated value |
| Scale Length | Approx. 80 mm |
| Power Supply | 6 × 1.5V AA Batteries (9V) |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -10°C to 60°C |
| Relative Humidity | Maximum 80% |
| Safety Standard | IEC 61010, Installation Category II |
| Standard Compliance | IS 10656-1983 (General Conformance) |
| Weight | 1 kg |
| Dimensions (L x W x H) | 7.25 x 14.45 x 9.5 cm |
The Meco MC-904 Analog Insulation Tester is a high-performance analog insulation tester engineered for testing insulation resistance in residential, commercial, and industrial electrical systems. It operates with a 500V DC test voltage and measures insulation resistance up to 500 MΩ, enabling users to accurately evaluate the insulation condition of electrical wiring, motors, transformers, switchgear, generators, cables, and household appliances.
Designed for durability and ease of use, the MC-904 features a high-visibility analog meter, allowing quick interpretation of readings without requiring complex digital settings. The tester incorporates single-person push-button operation, making insulation testing fast and convenient in field applications.
Its rugged ABS resin body with a polycarbonate meter cover provides excellent resistance to impacts during daily industrial use. The instrument delivers ±5% accuracy within the effective measuring range, ensuring dependable and repeatable test results. It also complies with IEC 61010 Installation Category II safety requirements and is designed to generally conform to IS 10656-1983 standards.
Powered by six AA (1.5V) batteries, the MC-904 is highly portable and suitable for on-site inspections. The package includes test leads, batteries, a carrying case, and a calibration certificate, allowing immediate use after purchase.
Whether performing routine preventive maintenance or diagnosing insulation failures, the Meco MC-904 delivers dependable performance, robust construction, and accurate measurements for professional electrical testing applications.
Key Features:
500V DC insulation test voltage
Insulation resistance range:
0–500 MΩHigh accuracy of ±5% of indicated value
Single-person push-button operation
Durable ABS resin housing with polycarbonate meter cover
Easy-to-read analog display
Suitable for motors, transformers, switchgear, cables, generators, and electrical installations
IEC 61010 CAT II safety compliant
Battery-operated for portable field testing
Includes carrying case, batteries, test leads, and calibration certificate.
For more insights, contact us:
Email: sales@industrywaala.com
Contact Number: +91 7377 01 7377


