Advertisement
Quick Links
Advertisement
Related Manuals for Major tech MT575
Summary of Contents for Major tech MT575
- Page 1 INSTRUCTION MANUAL MT575 10kV HIGH VOLTAGE INSULATION TESTER...
- Page 3 Contents Page no...
- Page 4 1. Safety Precautions Electricity can cause severe injuries even with low voltages or currents. Therefore, it is extremely important that you read the following information before using your high voltage insulation tester. 1.1. This Instrument must only be used and operated by a competent trained person and in strict accordance with the instructions.
- Page 5 2. Overview This is a 10kV high voltage insulation tester which has output voltages of 1000V, 2500V, 5000V, 10000V. The top line of the display shows the elapsed time at the start of the test. Digital readout of the total time will remain displayed even after testing has ceased.
- Page 6 4. Specifications Function Range Test Voltage 1000V, 2500V, 5000V, 10000V Insulation resistance 200GΩ / 1000V 1TΩ / 5000V 500GΩ / 2500V 2TΩ / 10000V Accuracy ±(5.0%rdg + 5dgt) Resolution 1000MΩ: 1MΩ 1TΩ: 1GΩ 10GΩ: 0.01GΩ 100GΩ: 0.1GΩ 2TΩ: 10GΩ Short circuit current up to 5mA PI (Polarization Index) √...
- Page 7 5. Connections FIRST MEASUREMENT Measure without the guard to take everything into account and find out if need cleaning. DIRTY ELECTRICAL INSULATOR EQUIVALENT CIRCUIT DIRTY INSULATOR SECOND MEASUREMENT Measure with the guard to ensure insulator is correct. TYPICAL TEST Resistance due to contamination can be very low and lower the total resistance.
- Page 8 6. Instrument Layout 1 - LCD display 2 - +HV terminal 3 - GUARD terminal 4 - -HV terminal 5 - ENTER / SAVE button 6 - Function rotary switch 7 - ESC / button 8 - "▼" button 9 - SEL button 10 - TEST / STOP button 11 - "▲"...
- Page 9 7. Measuring procedure This insulation tester provides five main functions and four minor functions: Main Functions: 1. 1000V voltage insulation resistance test. 2. 2500V voltage insulation resistance test. 3. 5000V voltage insulation resistance test. 4. 10000V voltage insulation resistance test. 5.
- Page 10 7.1.2. Insulation measuring procedure: 1. Connect to test cable to test object. 2. Turn the function rotary switch to the test voltage from 1000V, 2500V, 5000V or 10000V respectively. 3. When pressing and holding the backlight button then the display will shows the backlight function. 4.
- Page 11 8. To store the data, press the ENTER/ SAVE button; LCD displays the picture show in below; Note: When doing an insulation test, always connect the test leads to the object we want to measure before pressing the TEST button. Do not press the TEST button in advance.
- Page 12 4. Press the SEL button to select year, month, day, hour, minute for adjustment, LCD displays the following picture respectively; 5. Press the ▲ "up button" or the ▼ "down button" till the correct value is reached. 6. After all adjustments are complete, press the ENTER/SAVE button to confirm and save the data measured.
- Page 13 7. Press the ESC/backlight button again to return back to the main page 7.1.4.3.Function 3 – Display the data stored (Log Display) 1. Turn on the insulation tester by rotating the function rotary switch to any position(except OFF). 2. Press the SEL function to enter the minor function selection 3.
- Page 14 3. Press the ▲ "up button" or the ▼ "down button to find the measurement time setting; LCD displays the following picture respectively; 4. Press the ENTER/SAVE button to inquire whether to clear up the data or not; LCD displays the picture shown in below: Note: if the erasing unit needs not to be done, press ESC/ button to skip it and return back to the minor function...
- Page 15 Operation: During the test run, wait for one minute, DAR will be displayed automatically; wait for 10 minutes, PI will be displayed automatically. 3. AUTO OFF: System will shut down automatically after 3 minutes without operation. 8. Battery replacement When the LCD displays "Batt. Low", disconnect the test leads from the high voltage insulation tester and turn off the power.
- Page 16 MAJOR TECH (PTY) LTD South Africa Australia www.major-tech.com www.majortech.com.au sales@major-tech.com info@majortech.com.au...