How to Monitor RV Batteries On A Budget.Install 10€ Digital Multimeter Voltage Amperage Power Energy

Install and Review 10€ Digital Multimeter DC 6.5-100V 0-100A Voltage Amperage Power Energy
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How to monitor RV ,car or solar batteries for less money with digital multi-function meter PZEM-051 DC6.5-100V 100A Voltage Amperage Power Energy Meter with 100A/75mV Shunt .
Review Battery Monitor PZEM-051 DC 6.5-100V 100A Digital DC Voltmeter Ammeter LCD 4 in 1 DC Volt Amp Power Energy Meter Tester with DC 50A/75mV Shunt

electrical parameter measurement function (voltage, current, power, energy). The voltage alarm function (over voltage alarm thresholds, backlighting and voltage flicker tips).The power button clear function.
Power-down data storage function.Large-screen LCD screen full display function (display voltage, current, power, energy).backlight.
1. Power: measurement range 0 ~ 10kW
2. Power: measurement range 0 ~ 9999kWh
3. Voltage: test range 6.5 ~ 100V
4. Current: Test Range 0 ~ 100A
Button
1. The backlight control

By short press the button to turn on or off the backlight, the backlight status automatic storage.
2. The power cleared

Step 1: Press the button until the power area show "CLr" character, then release the button;
Step 2: At this point in the power consumption flashing indicating the current status is cleared, if short press the button again, the consumption data is cleared and cleared quit flashing;
Step 3: If no key is pressed within five seconds, it means that the power does not clear the data and exit cleared.
3. The voltage alarm value

Step 1: Press the button until the power area show "SET" character, then release the button
Step 2: After entering this state, the voltage of the high pressure area shows the current alarm value, the current area displays the current value of low pressure alarm, and the least significant bit starts flashing, then you can press the button through the +1 bit short, when there is no button operation When more than three seconds, the automatic adjustment of the position switch from high pressure to low pressure alarm alarm value has a value, a total of six, the scope voltage alarm threshold set for the 6.5 ~ 99.9V
Step 3: After setting, press the button until the display shows "PASS" character indicates the setting is successful and automatically exit the setting mode.