Summary of Contents for Zhengzhou Ming He Electronic Technology VAM7520P
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Page 1: Operating Manual
OPERATING MANUAL VAM7520P Voltage Meter December 2013 Zhengzhou Ming He Electronic Technology Co., Ltd. -
Page 2: Table Of Contents
Contents 1. Contact ........................1 2. Inspecting Package Contents ................1 3. Summary ........................1 3.1 Brief introduction .................... 1 3.2 Main function ....................2 3.3 Technical data ....................2 4.Instrument Introduction ................... 3 4.1 Structure Description ..................3 4.2 Wiring....................... 3 5. -
Page 3: Contact
Website: www.mhinstek.com 2. Inspecting Package Contents When you get a new VAM7520P Voltage Meter, please inspect the instrument as follows: 2.1 Check if there is damage due to transportation If the package is damaged, please retain them until the instrument and accessories are tested. -
Page 4: Main Function
VAM7520P Voltage Meter voltage,current,power,charging capacity and time at the same time. It also can set the over voltage protection,over current protection,over power protection, over charging capacity protection,over time protection and low-voltage protection.The voltage meter adopts two groups of LED digital tubes to display the data. -
Page 5: Instrument Introduction
Button LED digital tube Operation Tips 4-1 The introduction of VAM7520P 4.2 Wiring On the back of the meter there are three terminals on the right, they are “IN－”, “＋” and “OUT－”, the”＋”is the public terminal of “IN +” and “OUT +” , the... -
Page 6: Operation
VAM7520P Voltage Meter “Vext” on the left side of the meter, it is used for three-wire system. This meter has two-wire and three-wire dual input methods. Two wire system can connect the meter to the circuit directly, three-wire system requires an external power supply for the instrument. -
Page 7: Wiring
VAM7520P Voltage Meter 5.1 Wiring Select the appropriate wiring according to the range of the measured voltage, ensuring input voltage is within the tolerance range of the instrument. Note: The input voltage range of two-wire : 10V ~ 75V; The input voltage range of three-wire : 0V ~ 75V. -
Page 8: The Functions Of Debug Mode
VAM7520P Voltage Meter Exit debug mode : In the debug mode, you can exit by pressing the < OUT > button for a while. 5.4 The functions of debug mode 5.4.1 "0 - U" is the calibration of the voltage value, the voltage value displays in the digital tube is the current measure value. - Page 9 VAM7520P Voltage Meter 5.4.4 "3 - r" is to restore factory settings, if you want to return to the initial value, you can adjust to "- y -" by pressing , then press< OUT >, it will restore to the factory setting.
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Page 10: Cautions
VAM7520P Voltage Meter 5.4.11 "10 - L" low-voltage protection (LoP), if you have set the LoP value, when the output voltage is less than the setting voltage , the machine will automatically cut off the output, at the same time, the screen display protection type is "LoP", press any key to return to normal. - Page 11 VAM7520P Voltage Meter thereof will be free from defects in workmanship and materials for a period of one year from the data of purchase. We will repair or replace, at its’ option, defective product or component parts. Returned product must be accompanied by proof of the purchase date.
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