* Frequency meter / Tacho meter
* Red LED display, 14.2 mm high
* Soft buttons, easily operate
* Measuring range: up to 9999
* Measuring frequency is selectable: 0.11~1KHz / 0.11~10KHz (up to 50K Hz can be ordered)
* Frequency and tacho can be converted by software
* Decimal point,modulus and display unit can be set freely;
* Division modulus range: 0~9999
* Multiplication modulus range: 0.001~9999
* Refresh time and zero-return time can be set within 0~9s.
* Power fail holing function, up to 10 years.
* With or without analog output:0~20mA or 4~20mA
* Relay and transistor output at the same time ( can drive solid state relay)