
| Brand | Meco |
| Model | DIT99BL-A (BA) |
| Product Type | Digital Insulation Tester with Battery Adaptor |
| Test Voltage | 100V DC |
| Insulation Resistance Range | 0–20 MΩ |
| Resolution | 0.01 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 |
| Battery | AdaptorIncluded |
| Adaptor Input | 100–240V AC, 50/60Hz |
| Adaptor Output | 9V DC, 500mA |
| 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 50Hz 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-A (BA) Digital Insulation Tester is a compact and reliable electrical testing instrument designed for insulation resistance measurement and preventive maintenance applications. The BA version includes a Battery Adaptor, allowing flexible operation for both battery-powered field testing and extended usage in workshops or service environments.
The tester provides a 100V DC insulation test voltage and measures insulation resistance from 0 to 20 MΩ with 0.01 MΩ resolution, making it suitable for testing low-voltage electrical equipment and general insulation checking applications.
The Meco DIT99BL-A (BA) is widely used for insulation testing of:
Electrical motors and transformers
Industrial machines and equipment
Electrical distribution cables
Communication network 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, 15 mm digit height, and 1999 count display, providing clear visibility of insulation resistance readings even in low-light conditions. The built-in High Voltage Red LED Warning Indicator improves user safety by indicating the presence of high test voltage during operation.
The DIT99BL-A (BA) offers single-person push-button operation, making insulation testing quick and convenient. It provides high measurement accuracy of ±(3% reading + 2 digits) at standard operating conditions, ensuring dependable and repeatable results during maintenance and troubleshooting activities.
Designed for professional electrical applications, the tester meets IEC 61010 Installation Category II, 1000V Phase-Earth safety requirements and is generally designed to conform to IS 10656-1983 standards. Its lightweight construction and battery adaptor facility make it suitable for field engineers and service professionals.
The Meco DIT99BL-A (BA) is supplied with crocodile/alligator test leads, carrying case, six AA batteries, battery adaptor, instruction manual, and test & calibration certificate, providing a complete solution for insulation resistance testing.
Key Features:
100V DC insulation test voltage
0–20 MΩ insulation resistance range
0.01 MΩ resolution
Battery Adaptor facility included
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
For more insights, contact us:
Email: sales@industrywaala.com
Contact Number: +91 7377 01 7377


