Features 

• pH : 0 to 14.00 pH, mV : ± 1999 mV
• mV function is used to accept the ORP electrode
• BNC socket input, can accept most kind pH electrode
• Separate pH electrode, easy for general purpose and remote measurement
• pH measurement can select automatic temperature compensation ( via. optional Temp. probe ) or manual temperature adjustment
• High input impedance for the pH function
• Auto calibration for pH 7, pH 4 and pH 10 or other value
• LCD with two display, easy readout
• Manual and auto data logger, with flexible sampling time selection, can save max. 1,600 reading data
• Can default auto power off or manual power off
• Temperature unit can default to ℃ or ℉
• Microcomputer circuit, intelligent function, high accuracy
• Records Maximum and Minimum readings with recall
• Data hold function for freezing the desired value
• Build in the input socket for DC 9V power adapter
• RS232 PC serial interface
• Heavy duty & compact housing case
• Available for wide applications, such as aquarium, beverage, fish hatcheries, food processing, photography, laboratory, quality control, school & colleges, swimming pools, water conditions

Specification 

pH Electrode	Optional, Any pH electrode with BNC connector
Measurement	pH	0 to 14 pH
	mV	-1999 mV to 1999 mV
Input Impedance	10^12 ohm
Temperature compensation for pH measurement	Automatic (ATC)	With the optional temperature probe ( TP-07 ) 0 to 65 ℃
pH Calibration	pH 7, pH 4, and pH 10, 3 points calibration ensure the best linearity and accuracy. Other calibration point that near the pH 7, pH 4, and pH 10 are available
Circuit	Custom one-chip of microprocessor LSI circuit
Display	LCD size : 44 mm x 29 mm, dual function LCD display
Data Hold	Freeze the display reading.
Sampling Time of Data Logger	Manual	Push the data logger button once will save data one time. * Set sampling time to 0 second
	Auto	1, 2, 5, 10, 30, 60, 600, 1800, 3600 seconds
Data Logger number	Max. 1,600-point Data logger
Memory Recall	Maximum & Minimum value
Sampling Time of display	Approx. 1 second
Power off	Auto power shut off to save battery life or manual power off
Data Output	RS 232 PC serial interface
Operating temperature	0 to 50 ℃
Operating Humidity	Less than 80% RH
Power Supply	006P DC 9V battery ( Alkaline or Heavy duty type ).  DC 9V adapter input. * AC/DC power adapter is optional
Power Current	Approx. DC 6 mA.
Weight	200 g/0.44 LB. * Include probe and batterry.
Dimension	135 x 60 x 33 mm