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Two-wire DC digital display voltmeter head 0.56 inch LED digital voltmeter DC4.50V-30.0V
Model: DSN-DVML-568-2
Baby Description:
Low cost and high precision meet most application requirements.
High precision
●Low start-up voltage, red as low as 4.5V , green as low as 4.7V , blue as low as 5.0V .
●With reverse connection protection, it will not burn if connected in reverse.
Technical Parameters:
|
Measuring range |
Red DC4.50-30.0V , Green DC4.70-30.0V , Blue DC5.00-30.0V |
|
Power supply range |
No need for additional power supply, directly use the tested voltage as power supply, the range is the same as above |
|
Limit input |
DC30.0V . Note: Input voltage higher than 30V may cause permanent damage! |
|
Allowable error |
± 1% ; when the voltage is greater than or equal to 10V , the error is ± 0.3V ; when the voltage is less than 10V , the error is ± 0.10 |
|
input resistance |
> 100K ohms |
|
Working current |
Red < 23mA , Green < 18mA , Blue < 13mA |
|
Refresh rate |
About 300mS once |
|
Display method |
Three-digit "0.56" LED digital tube |
|
Display Color |
Red, green, blue available |
|
Lead length |
20cm |
|
Dimensions |
48 x 29 x 22 mm , length x width x thickness; |
|
Hole Size |
46 x 27 mm |
|
net weight |
18g |
|
Gross Weight |
25g |
|
Operating temperature |
-20 ℃ ~ 65 ℃ |
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