| Circuit | Custom one-chip of microprocessor 
										circuit. | 
									
										| Display | Super large LCD display 
										76.5mm*50.5mm*2.7mm | 
									
										| Measurement | pH : -2 to 16 pH mV : 0 to 2000mV
 Temperature : 0 to 100ˇăC , 32 to 212 ºF
 | 
									
										| Input Impedance | ¨P 1012 ohms | 
									
										| Temperature Compensation For pH Range
 | Manual : 0 to 100 ˇăC, adjusting by push 
										button on front panel. Automatic : With the optional TEMP 
										probe, 0 to 100 ˇăC
 | 
									
										| Calibration For pH Range | Built in SLOPE (pH 4) & CAL. (pH 7) | 
									
										| Data Hold | To auto hold the reading values on 
										display. | 
									
										| Memory Recall | Single record 99 point, Continuity 
										record 99 point MAX 4500 data
 | 
									
										| Power off | Auto shut off 10 minutes saves battery 
										life, or manual off by push button.
 | 
									
										| Over Input Indication | Indication of "-- -- -- -- " | 
									
										| PH Electrode | Any combination pH electrode with BNC 
										connector. | 
									
										| Operating Temperature | 0 ˇăC to 50 ˇăC ( 32ºF to 122 ºF ) | 
									
										| Operating Humidity | Max. 80% RH | 
									
										| Sampling Time | Approx. 1.5 second | 
									
										| Power Supply | S-006P 9V 6F22 battery (Heavy duty type) | 
									
										| Battery Life | 50 hours ( approx. ) | 
									
										| Accessories | Carrying case, Instruction manual, 
										Battery | 
									
										| Optional Accessories | pH electrode, Temperature probe, PH 
										Standard Buffer Solution.
 |