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4 digital red led frequency meter & electronic counter

0.56" 4 Digital Red LED Digital frequency meter & electronic counter
This item is a 2-in-1 module that serves as either electronic counter or frequency meter. It can measure the frequency of sine wave and square wave when it works as frequency meter and is able to count the number of square wave pulses when works as electronic counter. This item integrates 4 7-segment red LED displays, so it can display "0-9999", which is convenient for both working modes. It is really an ideal selection for many applications.
* Size: 79.00mm (L) X 42.00mm (W) X 25.00mm (H)
* 0.56" 4-digits red LED display
* Two signal input mode: non-isolated mode and isolated mode
* Allows you to manually switch between counter mode and frequency meter mode via on-board DIP switch
* Allows you to manually reset the meter to "0" when the meter works as counter
* Counter display range: 0-9999
* Frequency meter display range: 20-9999Hz (Accuracy: 0.5%)
Supply Current ( @ VCC = 12V )
Power Consumption ( @ VCC = 12V )
Measuring range of frequency meter
Measuring range of electronic counter
Display Resolution (frequency meter)
4 digit, 0.56 /14.2mm high LED
interface2 isolated Signal input
interface1 non-isolated Signal input
IN1-(pin 4) and IN2-(Pin1) are the grounds of input signal, DO NOT get the polarity reversed.
* Never feed the meter with a voltage of higher than 26V DC, otherwise the meter will be burned out.
* Incoming signal which is running lower than 20Hz will make the meter display instable, so make sure the signal is running above 20Hz
* 0.56" 4 Digital Red LED Digital frequency meter & Electronic counter 1
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4 digital red led frequency meter & electronic counter