| Brand | Meco |
| Model | DET 909P |
| Product Type | Digital Earth / Ground Resistance Tester |
| Earth Resistance Range | 0–10 Ω & 0–1000 Ω |
| Resolution | 0.01 Ω / 1 Ω |
| Display | 3½ Digit LCD |
| Display Count | 1999 Counts |
| Display Height | 14 mm |
| Display Type | LCD with Backlight |
| Measurement Frequency | 150 Hz |
| Accuracy | ±(3% rdg + 5 dgt) |
| Test Current | 30 mA AC Max. (10 Ω Range), 7 mA AC Max. (1000 Ω Range) |
| Conversion Rate | 2.5 Seconds |
| Data Hold | Available |
| Low Battery Indication | Available |
| Power Supply | 8 × 1.2V AA Rechargeable Batteries |
| Charger | Built-in SMPS Charger |
| Safety Standard | EN61010-1 CAT III 1000V |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -20°C to 60°C |
| Relative Humidity | Maximum 80% |
| Weight | 1 kg |
| Dimensions (L x W x H) | 7.5 x 16.6 x 11.1 cm |
The Meco DET 909P Digital Earth / Ground Resistance Tester is a compact and reliable measuring instrument designed for professional testing of earth resistance and grounding systems. Proper earthing is essential for electrical safety, and this tester helps technicians verify grounding effectiveness in industrial plants, electrical installations, power distribution systems, and communication networks.
The DET 909P provides two selectable earth resistance measurement ranges:
0–10 Ω Range for precise low resistance earth testing
0–1000 Ω Range for general grounding system measurement
With a 3½ digit (1999 counts) LCD display with 14 mm digit height and backlight, the instrument provides clear visibility of readings even in low-light working environments. The built-in display icons and simple controls make operation easy for field engineers and maintenance technicians.
The Meco DET 909P uses a 150 Hz measurement frequency, which helps reduce the effects of electrical noise and interference during earth resistance measurement. The instrument is designed to reject high levels of interference, ensuring stable and accurate readings in industrial environments.
The tester is equipped with useful functions including:
Data Hold Function – Allows users to freeze readings for easy recording.
Low Battery Indication – Alerts the operator when battery replacement or charging is required.
Range Selection – Enables selection of suitable measurement ranges.
Single Person Push Button Operation – Allows quick testing without additional assistance.
The DET 909P is designed with a sturdy, lightweight, and portable body, making it suitable for field inspections and regular maintenance work. Its rechargeable battery system with built-in SMPS charger provides convenience for continuous professional usage.
This digital earth resistance tester is widely used for:
Electrical power system earthing tests
Industrial grounding system inspection
Transformer and substation earthing checks
Telecommunication grounding verification
Electrical installation safety testing
Preventive maintenance applications
The instrument generally conforms to EN61557 requirements and provides EN61010-1 CAT III 1000V safety protection, making it suitable for professional electrical testing environments.
Key Features:
Digital Earth / Ground Resistance Tester
Earth Resistance Measurement Range
0–10 Ω
0–1000 Ω
3½ Digit LCD Display
1999 Counts Display
14 mm Digit Height with Backlight
Measurement Frequency:
150 HzData Hold Function
Low Battery Indication
High Noise & Interference Rejection
Simple Connect–Press–Read Operation
Range Selection Facility
Single Person Push Button Operation
Rechargeable Battery Operated
Built-in SMPS Charger
Lightweight & Portable Design
Sturdy Compact Body
Designed to Generally Confirm to EN61557
Safety Rating:
EN61010-1 CAT III 1000V
For more insights, contact us:
Email: sales@industrywaala.com
Contact Number: +91 7377 01 7377
