សៀវភៅណែនាំអ្នកប្រើប្រាស់ សំណួរ និងចម្លើយចម្លើយ
ថ្ងៃទី 30 ខែកក្កដា ឆ្នាំ 2025 - ម៉ោង 05:14 ព្រឹក
To perform a DC voltage measurement with the HT Italia HT25N Compact Digital Multimeterអនុវត្តតាមជំហានទាំងនេះ៖
1. Safety Precautions: Ensure that you are in a safe environment and follow all safety precautions outlined in the user manual to avoid electrical shocks or damage to the instrument.
2. ជ្រើសរើសវ៉ុលtage Range: Turn the rotary selector to choose the appropriate DC voltage range (200mV, 2000mV, 20V, 200V, or 600V) based on the expected voltagកម្រិតអ៊ី។
3. Connect Test Leads: Insert the red test lead into the VΩ jack and the black test lead into the COM jack on the multimeter.
4. Connect to Circuit: Connect the red test lead to the positive terminal and the black test lead to the negative terminal of the circuit you want to measure.
5. Read Display: The voltage value will be displayed on the LCD screen of the multimeter. If the message "OL" appears, select a higher range to accommodate the voltagកម្រិតអ៊ី។
6. Interpreting Display: If the symbol "-" is displayed, it indicates that the voltage has an opposite direction concerning the connection.
7. HOLD Function: If you want to freeze the displayed value, you can use the HOLD function by pressing the HOLD key. Press the HOLD key again to disable this function.
8. After Use: After completing the measurement, turn off the multimeter to conserve battery life.By following these steps and the guidelines provided in the user manual, you can safely and accurately measure DC voltage ដោយប្រើ HT Italia HT25N Compact Digital Multimeter.
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