VAM 7520P Voltammeter User Manual
Contents
1. the the upper row of digital tube display 0 U it means that it has enter the debug mode short press lt OUT gt key again the upper row of Nixie tubes circularly change among 0 U 1 C 2 ES 3 r 4 ON 5 OV 6 OP 7 OC 8 AH 9 Hr and 10 L indicating that enter the different setting functions oi The method of quit the debug mode In the debug mode long press lt OUT gt button 5 The functions of debug mode 1 0 U is calibrate the measure value of voltage the digital tube display the voltage value is the current measure value we can choose two points of voltage to calibrate the voltage high voltage point generally take 32V low voltage point generally takel2 V the boundary standard point of high and low is 20V above 20V is calibrate the high point voltage in default less than 20V is calibrate the low point voltage in default at this time we can compare to standard voltmeter press t key to increase the voltage measure press key to decrease the voltage measure the voltage of the two points mutually influence and can be consistent with the voltages measured by the standard voltmeter through 2 3 times of regulation 2 1 C is calibrate the measure value of current the digital tube display the current value is the current measure value we can choose two points of current value to calibrate the current high current point usually take 3 A low current point usually take 0 1 A the boundar2. 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 Attentions 5 OV to 10 L represents the different protection setting values the default is 0 indicating not use the protection functions the non zero parameter means use protection function after setting the parameters it need to be saved 1n 2 ES If the instrument has been set the function of protections you want to immediately back to normal you can long press button under the normal mode 5 Announcements 1 Don t over the voltage and current range of the instrument or it will damage the instrument 2 Pay attention to the positive and negative polarity Shipping list 1 VAM7520P voltammeter l 2 User Manual PDF electronic format l
3. C12V 60V Vext Three wire system wiring diagram On the right side there are three terminals from top to bottom is IN OUT the 1s the public terminal of IN and OUT the jumper cap in the lower left corner should pick up on the 3W Two terminals at left Vext need an external power supply for the meter power supply external power supply voltage of DC12V 60 v three wire system can measure voltage under 10V 4 Instructions 1 Correctly connect input output wires 2 Make sure that the input voltage is within the scope of the instrument after power on the above nixie tube display voltage value in default the below nixie tube display OFF in default means the output is turn off press the lt OUT gt button the output work 3 Press the button to select the above nixie tube display press the button to select the below nixie tube display it is easily to switch display the voltage V current A power P capacitance C and time H 4 You can enter the debug mode in the following conditions 1 The default output is off if you need the output is open when you open the machine 2 Ifyou need OVP LoP OCP OPP OAH OFT protection functions 3 When the measure result has a certain errors need to be calibrated 4 When the parameters is confused need to restore factory settings The method of enter the debug mode In the normal state long press the lt OUT gt key when
4. VAM 7520P Voltammeter User Manual ad Zhengzhou Minghe Electronic Technology Co Ltd VAM7520P voltammeter is a new type voltammeter which can measure voltage current power charging capacity and time at the same time also can set over voltage protection over current protection over power protection over charging capacity protection over time protection and low voltage protection The voltammeter adopts two upper and lower groups of LED nixie tubes and display measured data During use it can perform flexible switching for displaying different physical quantities Therefore the voltammeter is very suitable for monitoring output voltage and current and also is applicable to occasions such as battery charge and discharge 1 Main feature 1 Dual display for voltage and current and availability for switching display power charge capacity and time 2 Flexible online calibration function you can calibrate the voltage and current value by yourself 3 4 bit LED nixie tube 3 bit measured values and one bit unit 4 With output ON OFF function key flexible turn on or off the output 5 With over voltage low voltage over current over power over charging and over time protection functions 2 Technical indexes 1 Two wire system input voltage range 10V 75V Three wire system input voltage range 0 75V 2 Output current 0 20A 3 Display mode 4 bit LED nixie tube 3 bit measured values and one bit unit 4 Display re
5. ill automatically cut off the output at the same time the screen displays protection type 1s OVP press any key to return to normal 7 6 OP over power protection OPP if you set the OPP value when the actual output power over the setting power the machine will automatically cut off the output at the same time the screen displays protection type is OPP press any key to return to normal 7 OC over current protection OCP 1f set the OCP value when the output current over the setting current the machine will automatically cut off the output at the same time the screen displays protection type is OCP press any key to return to normal 9 8 AH over charging capacity protection OAH if set OAH value when the output AH over the setting AH the machine will automatically cut off the output at the same time the screen displays protection type is OAH Need special attention the AH value is a cumulative value once over it will not output again at this time you can long press to clear electric quantity value and time value to ensure that the electric quantity can be output again 9 Hr over time protection OFT if set OFT value when the output time over the setting time the machine will automatically cut off the output at the same time the screen displays protection type is OFT If you need to output again you can long press YF to clear time 4D 10 L low voltage protection LoP if you set the LoP value
6. solution 0 01V 0 01A 0 01W 0 01AH 0 01H 5 Voltage accuracy 1 2 bytes 6 Current accuracy 2 5 bytes 7 Measuring rate 5 times s 8 Protection types OCP Over current protection OAH Charging protection OVP Over voltage protection OPP Over power protection OFT Overtime protection LOP Low voltage protection 9 The range of the set protection OCP 0 01 100A OAH 0 01AH 999AH OVP 0 01V 99 9V OPP 0 01W 9 99kW P means W P means kW OFT 0 01 h 99 9h 10 SizeQmm 79 43 25 11 Installing hole mm 76 5 39 2 3 The instrument structure and connection mode In front of instrument there are three operate keys two 4 bit LED nixie tubes and operating tips it is easy and convenient to use On the back of the instrument there are three terminals on the right IN OUT the is the public terminal of IN and OUT on the left side of back is Vext it is used for three wire system We can choose two wire three wire system to use it Two wire system can connect to the meter circuit directly three wire system needs an external power supply for the meter power supply Two wire system connection diagram and the method Two wire system wiring diagram On the right side there are three terminals from top to bottom is IN OUT the ris the public terminal of IN and OUT the jumper cap in the lower left corner should pick up on the 2W Three wire system connection diagram and the method eo D
7. y standard point of high and low is 2A above 2A is calibrate the high point current in default less than 2A is calibrate the low point current in default at this time we can compare to standard ampere meter press t key to increase the current measure press key to decrease the current measure the current of the two points mutually influence and can be consistent with the currents measured by the standard ampere meter through 2 3 times of regulation 3 2 ES is save parameters after calibrating the voltage or the current and setting the protection parameters need to save parameters adjusting to the 2 ES the nixie tube display is n in default indicating that not save the parameters you can press tor adjust to display y then press lt OUT gt will save parameters and automatically exit the debug mode 4 3 r is to restore factory settings if the voltage and current value are confused or want to cancel the protection parameters immediately press taot adjust to display y then press lt OUT gt will restore factory setting 5 4 ON is set whether the output is open or not when start the default display is n PE indicating not open if you need the output is open when start press or to adjust to display y then save the parameters 6 5 OV over voltage protection OVP if you set the OVP value when the input voltage over the setting voltage the machine w
Download Pdf Manuals
Related Search