Lutron BPH-231 pH METER

Features:
* 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.