The transformer ratio tester adopts microprocessor technology for measurement calculation and automatic control, which can quickly and easily measure the actual ratio and group of transformers. Mainly used for measuring transformer ratio and group in the power industry, and also for measuring various parameters of transformers by transformer manufacturers and distributors.
The transformer ratio tester consists of a host, monitoring software, testing lines, communication lines, etc. The host has a charging function that does not require on-site power searching, a full-color large screen LCD display, and the language can be selected from Chinese or English, which is clear at a glance. The touch screen operation is convenient and easy to use, and the port has overload prevention function. It has a large capacity to store 500 sets of data. The upper computer software has functions such as reading, consulting, and saving historical data.
1. Multiple testing modes: single-phase testing, three-phase testing, three-phase blind testing, Z-type testing;
2. Large capacity storage: capable of storing 500 sets of test data.
3. Wide measurement range: Transformation ratio 0.9~10000
4. Measurement accuracy: The accuracy is 0.2% when the transformation ratio is between 0.9 and 2000, and 0.5% when the transformation ratio is between 2000 and 10000.
5. Maximum resolution: 0.0001.
6. Support computer control.
7. Supports Bluetooth control.

Function	Mainly used for ratio and group testing of three-phase transformers, as well as ratio and polarity testing of single-phase transformers, PT, and CT. This product can perform blind testing on three-phase transformers, as well as ratio and group testing on Z-type transformers.
Sample type	Single phase transformer, three-phase transformer, Z-type transformer PT、CT
Variable ratio range	0.9~10000
overload protection	have
Power Supply	DC9.6V 3800mAh large capacity lithium battery
charging function	have
display mode	5-inch touch screen (854dots × 480dots) full-color LCD display
Interaction mode	Touch screen/buttons
LCDsize	Length and width: 108mm × 65mm
Instrument size	Length, width, and height: 229mm × 166mm × 74mm
Mobile APP	Yes, Bluetooth connection
Computer upper computer	Yes, USB cable connection
Data Storage	500 sets
Data retrieval	Data retrieval function
battery voltage	Real time display of battery level, indicating the need for timely charging when the battery voltage is low
Automatic shutdown	Can be set to automatically shut down within 1-30 minutes
power waste	Standby: Approximately 2W (100% brightness)
	Measurement: 12W Max
Quality	Instrument: 1.5kg (including battery)
	Test line: 1.7kg
Working temperature and humidity	-10℃～40℃； Below 70% RH
Storage temperature and humidity	-20℃～60℃； Below 70% RH
insulation resistance	Above 10M Ω (500V between circuit and casing)
Voltage resistance	AC 3700V/rms (between circuit and casing)
Electromagnetic characteristics	IEC61010-4-3， Wireless frequency electromagnetic field ≤ 1V/m
Suitable for safety regulations	IEC61010-1, CAT III 600V, Pollution Level 2

◆ Note: This introduction is for reference only. For detailed parameters, please refer to the instruction manual.