Transformer Loss Parameter Tester - Power System Facility Product Alias

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Transformer Loss Parameter Tester - Power System Facility Function Description

①LCD Display: Used for Chinese character display, guiding operation, and intuitive reading.

②Fuse Box: Protects the instrument for normal operation.

③Grounding Terminal: Connected to the earth to ensure personal safety.

④Panel Printer: Prints measurement results.

⑤Terminals for measuring transformer capacity and active load.

⑥Terminals for measuring transformer no-load and load loss.

⑦External 220VAC power socket, used when charging or using external power supply.

Test Purpose

Measurement of transformer capacity, no-load current, no-load loss, short-circuit voltage, short-circuit (load) loss

Working Power Supply Input Voltage 185Vac～250Vac

Allowable Input Voltage 85Vac～264Vac

Frequency 50/60Hz

Input Power 40VA

AC Voltage Range 10～650V

Resolution 0.001V

Accuracy 0.2%±0.001V

AC Current Range 0.5～60A

Resolution 0.001A

Accuracy 0.2%±0.001A

Resolution 0.001Hz

Accuracy 0.2%±0.001Hz

Power Range 0～39kW

Resolution 0.001kW

Accuracy ＜±0.5%(CosΦ＞0.1)，±1.0%(0.02＜CosΦ＜0.1)

LCD Panel

The LCD display interface mainly has eleven screens, including the main menu and ten function interfaces, which are described in detail below.

1. Main Menu Interface

The instrument enters the main menu upon power-on, as shown in Figure 3:

The main menu has ten options: Capacity Test, Parameter Setting, Active Load, Single-phase No-load, Three-phase No-load, Single-phase Short-circuit, Three-phase Short-circuit, Result Query, Electrical Parameters, Harmonic Analysis. When the cursor points to a function option, that option is displayed in reverse color. In the interface shown in Figure 4, the selected item is 'Capacity Test'. Use the up, down, left, and right keys to change the cursor position. At this time, press the OK key to enter the selected function display screen. The bottom line is the prompt line, showing the current date and time, the internal battery voltage amplitude, and the remaining battery percentage, so that the battery status of the instrument can be known in time, and whether the instrument needs charging to avoid failure to work normally on site due to lack of timely charging.