1. Use SCM function; convenience to operate
2. Mask size:72HW72W; 48HW48W; (for free selection)
3. Appear 4/8 digit counter; exact quantity are digits after the point.
4. Relay output have four output models(A. B. C. D)
5. Backup data for power fail; the data will be kept 10 years after the power fail
6. f the meter must won be used of a long time, please connect power supply once every three month, not less than 4 hours each time.
7. Store the meter in the shade with non high light-line with temperature of -10 to +700, and humidifies of less than 60%. Dont contact with organic solvents or gas.