Transformer Energy Efficiency Grade Tester Transformer Turns Ratio Group Insulation Resistance Tester

Product Description

Feature of KDRB-ZH 4 in 1 Transformer Comprehensive Tester:

1. One-time wiring can complete direct resistance test and ratio test.

2. Direct resistance test function, for Yn type, Y type and △ type winding, three-phase automatic test can be adopted, and the three-phase imbalance rate can be calculated; the maximum output current is 20A, which can meet the test of low-voltage coil of distribution transformer.

3. Ratio test function, with three-phase, single-phase, Z type transformer test function; PT/CT ratio and polarity test function; blind test function.

4. Energy efficiency grade function, with capacity, load, no-load, zero-sequence impedance test function, in accordance with the "Power Transformer Energy Efficiency Limit Value and Energy Efficiency Grade" (GB20052-2020) standard, the energy efficiency grade of distribution transformer is accurately measured and judged.

5. Insulation resistance test function, the maximum output short-circuit current is 5mA, and 1mA~5mA is adjustable. It has insulation resistance IR, absorption ratio DAR, and polarization index PI test functions.

6. It has a variety of wired and wireless communication interfaces to facilitate instrument function expansion.

7. The instrument adopts embedded Linux operating system, which has high security, fluency, ease of use, etc.

8. The instrument adopts A7+M4 dual-core architecture, which meets both the real-time measurement and the smoothness of operation.

9. Industrial-grade 7-inch large screen display, fresh and simple display style design, full touch combined with one-button shuttle operation, creating a comfortable and convenient human-computer interaction experience for you.

10. This instrument is powered by a large-capacity lithium battery with a built-in charger.

 

Product Parameters

KDRB-ZH 4 in 1 Transformer Comprehensive Tester
DC resistance test
Output current	20A, 10A, 5A, 1A, 0.1A, ≤10mA
Measurement range	20 A:  0.5mΩ~ 100mΩ  10 A: 1.0mΩ~ 300mΩ  5 A: 10 mΩ~ 1.0 Ω  1A: 200mΩ~ 6.0 Ω  0.1A: 2.0 Ω~ 60 Ω  ≤10mA: 30Ω~ 50 kΩ
Accuracy	±(reading × 0.2% + 2 digits)
Ratio test
Measurement range	0.9~10000
Accuracy	±(reading×0.1% + 2 digits) (less than or equal to 500)  ±(reading×0.2% + 2 digits) (greater than 500 and less than or equal to3000) ±(reading×0.3% + 2 characters) (greater than 3000)
Resolution	0.9~9.9999(0.0001)  10~99.999(0.001)  100~999.99(0.01)  1000~9999.9(0.1) 10000 and above(1)
Capacity, no-load test
Measurement range:
Voltage	AC 50V~850V
Current	AC 0.5A~100A
Capacity	30kVA~65000kVA
Accuracy:
Voltage, current	±(reading×0.2% + 2 characters)
Power (0.2≤cosφ≤1)	±(reading×1.0% + 2 characters)
Capacity	±(reading×10 % + 2 characters)
Insulation resistance test
Output voltage	500V, 1000V, 2500, 5000V optional
Short circuit current	1mA~5mA optional
Current test range	10mA
Current test accuracy	±(reading×5%+0.2nA)
Capacitance test range	20μF
Capacitance test accuracy	±(reading×15%+0.03nA)
Capacitance discharge rate	from 10000V to 10V, 0.5s/μF
Usage conditions and appearance
Working power supply	built-in lithium battery, capacity 11AH
Charging voltage	AC220V
Using temperature	-10ºC~50ºC
Relative temperature	≤90%, no condensation
Weight	12kg
Dimensions	438×318×190 (mm)

Product Description

Company Profile