Product features:
This product adopts fully automatic surface mount production technology, with strong anti-interference ability, multiple output functions and control functions. Through the setting of internal parameters, it can switch between frequency/speed/counting, timing/timing.
·6-digit LED digital display.
·Multiple input signal types can be set through internal dip switches, including magnetic switch input, logic input, PNP input, NPN input, low-frequency input, and high-frequency input, suitable for various sensors.
·Equipped with functions of "upper and lower limit alarm", "delayed alarm", and "alarm reset delay", with LED alarm light indication;
·Supports RS485 and RS232 serial interfaces, using standard MODBUS RTU communication protocol.
·The instrument has the functions of power on display status and reset display status setting.
·Optoelectronic isolation technology is used between output, power supply, and communication.
·It has multiple external dimensions and styles for users to choose from.
·Panel touch sensitive button settings, parameter settings are permanently saved when powered off.

Product variety:
·NHR-2100 Timer
·NHR-2200 Timer
·NHR-2300 counter
·NHR-2400 frequency meter
·NHR-2400 tachometer