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Transformer TesterMfrSystem Introduction
1. AC220 power socket with built-in switch and fuse compartment
2. Ground terminal: ground wire connection terminal
3. I+ I-: output current terminals
4. V+ V-: sampling voltage terminals
5. Use “▲”, “▼”, “◀”, “▶” keys for navigation; “▶” also functions as “Save”.
6. Enter key: confirm current selection. In test mode, press Enter to print data.
7. Cancel key: press to return to previous menu.
8. Reset key: press to return instrument to initial state after test completion or interruption.
Transformer TesterMfrPrecautions:
1. Read this manual carefully before using the instrument.
2. Operators should possess general electrical equipment or instrument knowledge.
3. The instrument can be used indoors and outdoors, but avoid rain, corrosive gas, and similar environments.
4. Avoid severe vibration.
5. Instrument repair, maintenance and adjustment should be performed by qualified personnel.
6. After testing, reset the instrument, power off, then remove test leads.
7. Do not move test clips or power supply wiring during testing.
|
Specs |
10A |
20A |
40A |
|
Test Current |
1mA 10mA 1A 5A 10A |
1A 5A 10A 20A |
2.5A 5A 10A 20A 40A |
|
Measurement Range |
1mA：1Ω～20kΩ 10mA：1Ω～2kΩ 1A：10mΩ～20Ω 5A：1mΩ～4Ω 10A：1mΩ～2Ω |
1A：10mΩ～20Ω 5A：1mΩ～4Ω 10A：1mΩ～2Ω 20A：1mΩ～1Ω |
2.5A：10mΩ～8Ω 5A：1mΩ～4Ω 10A：1mΩ～2Ω 20A：1mΩ～1Ω 40A：1mΩ～500mΩ |
Safety Measures
1. Read this manual carefully before using the instrument.
2. Operators should possess general electrical knowledge.
3. Avoid using the instrument in rain, corrosive gas, excessive dust, high temperature, direct sunlight, and similar environments.
4. Avoid severe vibration.
5. After testing, wait until the discharge alarm stops before powering off and removing test leads.
6. When measuring no-load tap-changing transformers, wait until the discharge indicator alarm stops before switching taps.
7. During testing, do not move test clips or power supply wiring.
1. High-speed 16-bit A/D converter for stable, repeatable measurements.
2. Programmable current source with 1000 ranges, auto-controlled by MCU for wide measurement range.
3. Fast response, tap switch can be changed during measurement.
4. Intelligent design auto-detects loose or broken test leads.
5. Complete back EMF protection with auto discharge indication.
6. Displays measurement current and time.
7. Smart power management reduces internal heating.
8. Stores 120 measurements, non-volatile.
9. Full menu with operation prompts, intuitive and convenient.
Note: The above information and technical parameters are compiled and published by Yangzhou Darui Electric Co., Ltd.
