Uma ATRI-3 Automatic Transformer Turns Ratio Tester
SKU UMA-TTR-ATRi-3
₹44,800
Price includes GST (18%) ₹6,833.90
In stock
1
Save this product for later
Uma ATRI-3 Automatic Transformer Turns Ratio Tester
Product Details
Uma ATRI-3 Automatic Transformer Turns Ratio Tester - Class 0.1 Accuracy
Professional Transformer Turns Ratio Meter for Accurate Ratio Testing
The Uma ATRI-3 Automatic Turns Ratio Instrument is a precision testing device designed for measuring transformer turns ratio, excitation current, and polarity with Class 0.1 accuracy. This fully automated transformer tester is essential for power utilities, transformer manufacturers, and maintenance teams.
Key Features of ATRI-3 Transformer Turns Ratio Tester
- Fully Automated Testing - Measures turns ratio, excitation current, HT/LT voltages, polarity, and percentage deviation
- High Accuracy - DSP-based measurement with 24-bit ADC ensures Class 0.1 accuracy
- Safety First - Low test voltage (1.8V) with fuse protection for operator and equipment safety
- Three-Phase Testing - Built-in phase selector for testing three-phase transformers without changing clips
- Wide Ratio Range - Measures transformer ratios from 2.00 to 200.0
- User-Friendly Interface - Jumbo 16x2 LCD display with intuitive 4x4 keypad
Technical Specifications
| Parameters Measured | Turns Ratio, Excitation Current, HT/LT Voltage, Polarity |
| Accuracy Class | 0.1 |
| Excitation Voltage | 1.8V AC, 100Hz, Max 500mA |
| Ratio Range | 2.00 to 200.0 |
| Auxiliary Supply | 230V ± 20% |
| Weight | 3.2 kg (ATRI-3 unit) |
| Cable Length | Two sets of 10-meter three-phase cables included |
Applications
- Power transformer testing and maintenance
- Distribution transformer ratio verification
- Transformer manufacturing quality control
- Electrical testing laboratories
- Power utility maintenance programs
- Industrial electrical maintenance
Why Choose Uma ATRI-3 Transformer Turns Ratio Tester?
The Uma ATRI-3 stands out with its fully automated testing process, eliminating manual calculations and reducing human error. With high-precision measurements and enhanced safety features, it's the ideal solution for reliable transformer testing in various industrial applications.
Transformer Turns Ratio Testing Explained
Transformer turns ratio testing is a critical diagnostic procedure for power and distribution transformers. The Uma ATRI-3 automatic turns ratio tester simplifies this process by automatically calculating the ratio between primary and secondary windings, identifying any deviations that could indicate transformer issues such as shorted turns, open circuits, or incorrect tap changer positions.
Regular transformer ratio testing with precision instruments like the ATRI-3 helps prevent transformer failures, ensures optimal performance, and extends equipment lifespan. This essential maintenance procedure is mandated by electrical safety standards worldwide.
Customer reviews
Reviews only from verified customers
No reviews yet. You can buy this product and be the first to leave a review.
You May Also Like
On Sale
Innova I-63C Digital Resistance Meter
Innova I-63C Digital Resistance Meter
Save 31%
₹7,750
On Sale
CIE 5000 Volts Analog Insulation Tester 5KV
CIE 5000 Volts Analog Insulation Tester 5KV
Save 41%
₹9,915
On Sale
OTS-100 Motorized Oil Breakdown Test Set
OTS-100 Motorized Oil Breakdown Test Set
Save 38%
₹59,900
On Sale
80KV AC High Voltage Test Set - 200mA
80KV AC High Voltage Test Set - 200mA
Save 22%
₹220,000
On Sale
CIE 444 Insulation Tester 100 Volt / 0-100 MOhms
CIE 444 Insulation Tester 100 Volt / 0-100 MOhms
Save 45%
₹6,900
Display prices in:INR
