
| Brand | Meco |
| Model | DIT99BL-C |
| Product Type | Digital Insulation Tester |
| Test Voltage | 500V DC |
| Insulation Resistance Range | 0–200 MΩ |
| Resolution | 0.1 MΩ |
| Display | 3½ Digit LCD with Backlight |
| Display Count | 1999 Counts |
| Digit Height | 15 mm |
| High Voltage Warning | Red LED Indicator |
| Accuracy | ±(3% rdg + 2 dgt) |
| Conversion Rate | 2.5 sec |
| Power Supply | 6 × 1.5V AA Batteries |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Relative Humidity | Maximum 80% |
| Dielectric Strength | 3.5 kV AC at 50 Hz for 1 minute |
| Insulation Resistance Between Circuit & Case | More than 50 MΩ at 500V |
| Safety Standard | IEC 61010 Installation Category II |
| Standard Compliance | IS 10656-1983 |
| Weight | 1 kg |
| Dimensions (L x W x H) | 6.15 x 14.5 x 9.3 cm |
The Meco DIT99BL-C Digital Insulation Tester is a compact, reliable, and high-performance electrical testing instrument designed for insulation resistance measurement and preventive maintenance applications. It helps professionals identify insulation deterioration, leakage problems, and potential electrical failures in different electrical equipment and installations.
The tester provides a 500V DC insulation test voltage with an insulation resistance measuring range of 0–200 MΩ and 0.1 MΩ resolution, making it suitable for testing low and medium voltage electrical systems. It delivers accurate and dependable results for electrical inspection, troubleshooting, and maintenance operations.
The Meco DIT99BL-C is widely used for insulation testing of:
Electric motors and transformers
Industrial machines and equipment
Electrical cables and distribution networks
Communication cables
Switchgear and electrical panels
Commercial and residential electrical installations
Household appliances such as washing machines, mixers, and toasters
The instrument features a 3½ digit LCD display with backlight and 15 mm digit height, providing clear visibility of measurement values even in low-light environments. The 1999 count display ensures accurate reading of insulation resistance values. A built-in High Voltage Red LED Warning Indicator alerts users during insulation testing, improving operational safety.
Designed for easy handling, the DIT99BL-C offers single-person push-button operation, allowing technicians to perform insulation tests quickly without complicated settings. It provides high measurement accuracy of ±(3% reading + 2 digits) at standard operating conditions, ensuring reliable and repeatable results.
The tester is designed to meet IEC 61010 Installation Category II safety requirements and generally conforms to IS 10656-1983 standards. Its compact size, lightweight body, and battery-powered operation make it suitable for both field service and workshop applications.
The Meco DIT99BL-C is supplied with crocodile/alligator test leads, carrying case, six AA batteries, instruction manual, and test & calibration certificate, providing a complete solution for professional insulation testing requirements.
Key Features:
500V DC insulation test voltage
0–200 MΩ insulation resistance range
0.1 MΩ resolution
3½ digit LCD display with backlight
1999 count display with 15 mm digit height
High Voltage Red LED warning indication
High accuracy:
±(3% rdg + 2 dgt)Single-person push-button operation
Meets IEC 61010 Installation Category II
Designed to generally conform to IS 10656-1983
Low battery indication
Compact and lightweight design
Suitable for motors, transformers, cables, machines, and electrical installations
Supplied with test leads, carrying case, batteries, and calibration certificate
For more insights, contact us:
Email: sales@industrywaala.com
Contact Number: +91 7377 01 7377


