Counter(meter counter,tachometer,timer,frequency meter
Detailed Product Description
1.Measuring object:Counter/timer/tachometer/frequency
2.Red LED display
3.Measuring frequency is selectable: 0-9999Hz
4 Measuring range:max9999(4digit),99999999(8digit)
5 Decimal point and modulus can be set freely
6 power fail holing function up to 10 years
7.relay output (need customed to drive solid state relay)
8.counter(meter, counter, tachometer, timer, frequency meter