Digital Ammeter
[0003]

1, The DC Ammeter range is DC 0-9.99A.

2, The current direct input table without shunts and transformers.

3, You must use an external power supply, the power supply voltage is DC7-20V .

4, Special attention: the power of the input can not be negative (common ground)! ! 
This is because the table size limits, can not give the chip negative power supply, 
it is not common ground. Common ground will cause the displayed incorrectly can cause serious damage to the meter!

The voltmeter basic performance parameters are as follows:

Model: C 27-DL
Opening size: 45.5mm × 26.5mm 
Overall dimensions: 48x29x32mm
Range: DC0-9.99A
Display: three 0.56 " LED digital tube
Display color: red or green or blue
Refresh rate: about 500mS / times
Maximum input: <1.2 times the range
Accuracy: 1 % ( + / -1 words)
Working temperature: -10°C ~ 65°C