DSN VQ128 12 V Lead-Acid Lithium Battery Indicator LED Water-Resistant LED Digital Battery Capacity Monitor Voltage Meter Battery Tester

1. Power on (red for + and black for-)
2. Press a few seconds to set the mode: from 1-U, 2-b, 3-C to 4-d.
• 1-U: Calibration voltage
• 2-b : Installation Battery Type
• 3-C : Setting the number of batteries
• 4-d : Display Mode Setting

1-U: Voltage Calibration:

While on 1-U , Press the button to enter the voltage calibration mode, release it and press again, the voltage will be adjusted; release the button and then press it to adjust step by step; repeat the setting and save the settings during the flash of the screen. And there is an installation.

2-b: Battery type adjustment:

• While on 2-b, press the button to change the type of battery, press one by one, it will be shown: 1.2V _ 2v_3.2v_3.7v_12v (when setting up the corresponding type of battery, release the button, save and exist settings with a blinking screen .)
• • 1.2 V : Ni-MH battery, each battery 1.2 V
• 2 V : Lead-acid battery, each battery 2 in
• 3.2 V : Lithium-Iron Phosphate Battery, each battery is 3.2 V
• 3.7 V : Polymer lithium battery, each battery 3.7 V
• 12 V : Lead-acid battery, each battery 12

3-C: Setting the number of batteries:

1. During the 3-C setting, press the button to enter the number of batteries in the setting.
2. Release the button and press again, the value will be adjusted; release the button, and then press i T to decrease the adjustment; Repeat the setting for the appropriate number of batteries.
3. Different range for different battery types:
• 12 V Lead-acid battery: 1-10 sections
• 3.7 V Lithium battery: 2-28 sections
• 3.2 V Li-ion battery: 2-32 sections
• 2 V Lead-acid Battery: 3-60 sections
• 1.2 V Battery Ni-MH: 10-70 sections
4. Set to the appropriate mode, save the settings during the flash of the screen and exist settin

4-d: Display Mode Setting

1. In 4-d mode, press the button to enter setup mode.
2. Release the button, press it as soon as one mode is shown: V-voltage,% power percent (these two will be in a cyclic display)
3. Set to the appropriate mode, save the settings during the flash of the screen and exist settin

Samples for installation:

Technical specifications:

1. Voltage measurement range: DC6 ~ 120 V (wide range), the maximum input voltage can not exceed 120 V
2. Test voltage: DC6 ~ 120 V (Decimal point of automatic switching)
• Minimum resolution below 100 in: 0.1 in
• Minimum resolution 100 in: 1 in
3. Energy Resolution: 1%
4. Operating current: <20mA
5. Screen Display: LED
6. External dimensions: L54 x W30 x H21mm
7. Installation Hole: 47.2x27.3 mm
8. Measurement speed: more than 500 ms / time
9. Voltage measurement accuracy: 1% (+/- 2 digits)
10. Lead length:> 150 mm
11. Minimum supply voltage: + 6 V
12. Maximum supply voltage: + 120 V
13. Operating temperature: -10 ° C ~ + 50 ° C
14. Operating humidity: 10 ~ 80% (non-condensing)

1x12 V Lead-Acid Lithium Battery Indicator LED Water-Resistant LED Digital Battery Capacity Monitor Voltage Meter Battery Tester

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