1，This series of instruments uses micro-power, high accuracy, low drift, all imports integrated circuits so that reduce the energy consumption.
2，it has a strong anti-interference ability and faster measurement speed.  
3，This series meter is aluminum shell and silicone rubber seal and suitable for installation in a variety of harsh environments.

4，This series of instrument is completed with thermocouple or thermal resistor and suitable for all occasions installation.
5，This series of instruments use battery-powered and has a superior explosion-proof performance so it is suitable for places without power supply.