* Professional bench type meter with large size LCD display with green color back light.
* One meter for multi purpose operation : pH and mV ( ORP ).
* pH : 0 to 14.00 pH, ORP : ± 1999 mV.
* pH measurement can select ATC or manual temperature adjustment.
* High input impedance.
* pH measurement can make the auto calibration for pH 7, pH 4 and pH 10 or other value.
* Real time data logger ( record year, month, date, hour, minute, second ), 16,000 data logger.
* Auto data record, 16,000 Data logger no.
* Wide sampling time adjustment range from one second to 8 hours 59 minutes 59 seconds.
* Auto data logger, manual data logger.
* RS232 computer interface.
* Max., Min., Data hold.
* Can default auto power off or manual power off.
* DC 1.5V ( UM-3, AA ) x 8 PCs or DC 9V adapter in.
* Super large LCD display with backlight.
* Wide applications: water conditioning, aquariums, beverage, fish hatcheries, food processing, photography, laboratory, paper industry, plating industry, quality control, school & college, water conditioning.