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Room 1118, 11th Floor, Union Building, No. 350 Wuning Road, Putuo District, Shanghai
Product Categories
- Electric Power Operation and Maintenance Cloud Platform
- Supply of electrical measuring equipment [service]
- Electrical inspection tester
- Electric energy meter calibration device
- On site verification of electric energy meter
- Indicator instrument calibration table
- Transformer calibration device
- Electric energy meter calibration device
- Negative control terminal tester
- Indicator calibration device
- Standard power energy meter
- Electric parameter tester
- Secondary phase voltmeter
Shanghai Zhongrong Yidian Co., Ltd
Multi functional differential protection wiring tester
NegotiableUpdate on 03/30
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Overview
Multi functional differential protection wiring tester
Product Details
Main indicators
>Voltage 0-500V>current 1.5mA-10A
>Phase 0-360 degrees>frequency 45-65Hz
>Accuracy level 0.5
>Phase 0-360 degrees>frequency 45-65Hz
>Accuracy level 0.5
Main features
1. Adopting a 3.4-inch LCD display, the interface display is intuitive;
2. Measure and display three-phase voltage, current, phase, and hexagonal vector diagram; Real time measurement of active and reactive power, apparent power, frequency, and power factor for phase separation and total power;
3. Measurement of two loop and three loop transformers: display of phase relationship of nine current channels and calculation of current vector sum;
4. Phase separation measurement, synthesis calculation, and on-site detection of differential relay protection lines with two turns of Y/Y, Y/△, and three turns of Y/Y/△ connection status. It can detect the high, medium, and low-end current values and angles (IAH, IAM, IAL) of phase A, high, medium, and low-end current values and angles (IBH, IBM, IBL) of phase B, and high, medium, and low-end current values and angles (ICH, ICM, ICL) of phase C in phase. It can synthesize vector diagrams of 9 high, medium, and low-end currents and perform current vector balance calculation, which provides convenience for distinguishing the complicated wiring of differential protection and improves work efficiency;
5. The phase relationship between currents can be directly measured without voltage connection;
6. The instrument has high measurement accuracy, wide measurement range, small size, light weight, and is convenient to carry and use on site;
7. Dual power supply: direct power supply for the measuring end and high-performance lithium battery power supply;
When powered by lithium batteries, the instrument can work continuously for 18-30 hours; Standby time ≥ 60 hours, charging times ≥ 500 times;
9. Built in clock chip, which can accurately record and display measurement time;
10. Instrument measurement data can be grouped and uploaded to a PC, or printed into a report for archiving;
11. Implement browsing and querying functions for test results, combining Chinese menus with direct buttons for easy and user-friendly operation;
12. Built in help menu for easy on-site use and operation;
13. Humanized design, anti drop wristband to prevent operators from accidentally damaging the instrument;
14. Adopting an ultra small structural design, handheld, small in size, and lightweight.
2. Measure and display three-phase voltage, current, phase, and hexagonal vector diagram; Real time measurement of active and reactive power, apparent power, frequency, and power factor for phase separation and total power;
3. Measurement of two loop and three loop transformers: display of phase relationship of nine current channels and calculation of current vector sum;
4. Phase separation measurement, synthesis calculation, and on-site detection of differential relay protection lines with two turns of Y/Y, Y/△, and three turns of Y/Y/△ connection status. It can detect the high, medium, and low-end current values and angles (IAH, IAM, IAL) of phase A, high, medium, and low-end current values and angles (IBH, IBM, IBL) of phase B, and high, medium, and low-end current values and angles (ICH, ICM, ICL) of phase C in phase. It can synthesize vector diagrams of 9 high, medium, and low-end currents and perform current vector balance calculation, which provides convenience for distinguishing the complicated wiring of differential protection and improves work efficiency;
5. The phase relationship between currents can be directly measured without voltage connection;
6. The instrument has high measurement accuracy, wide measurement range, small size, light weight, and is convenient to carry and use on site;
7. Dual power supply: direct power supply for the measuring end and high-performance lithium battery power supply;
When powered by lithium batteries, the instrument can work continuously for 18-30 hours; Standby time ≥ 60 hours, charging times ≥ 500 times;
9. Built in clock chip, which can accurately record and display measurement time;
10. Instrument measurement data can be grouped and uploaded to a PC, or printed into a report for archiving;
11. Implement browsing and querying functions for test results, combining Chinese menus with direct buttons for easy and user-friendly operation;
12. Built in help menu for easy on-site use and operation;
13. Humanized design, anti drop wristband to prevent operators from accidentally damaging the instrument;
14. Adopting an ultra small structural design, handheld, small in size, and lightweight.
Product Usage
1. Check the secondary circuit wiring of the relay protection and bus differential protection system, and read the phase relationship between each group of CTs;
2. Measure the wiring of the secondary protection circuit of the Y/Y, Y/△, Y/Y/△ two turn and three turn transformers, and calculate the differential current automatically;
3. Automatically distinguish the positive and negative phase sequence of the line;
4. Multi parameter measurement of power lines (U/I/Φ/P/Q/S/PF/Hz);
5. Discrimination of load characteristics between inductive and capacitive circuits;
6. Check the wiring group of the transformer;
7. Used as a leakage current meter, etc.
2. Measure the wiring of the secondary protection circuit of the Y/Y, Y/△, Y/Y/△ two turn and three turn transformers, and calculate the differential current automatically;
3. Automatically distinguish the positive and negative phase sequence of the line;
4. Multi parameter measurement of power lines (U/I/Φ/P/Q/S/PF/Hz);
5. Discrimination of load characteristics between inductive and capacitive circuits;
6. Check the wiring group of the transformer;
7. Used as a leakage current meter, etc.
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