| Model | 8651 | 
		
			| pH Measuring Range | 0.00~14.00 | 
		
			| pH Accuracy | ±0.02 | 
		
			| pH Resolution | 0.01 | 
		
			| mV Measuring Range | -1999~1999 mV | 
		
			| mV Accuracy | ±0.2mV (-199.9~1999.9mV) or ±2mV (others) | 
		
			| mV Resolution | ±0.1mV (-199.9~1999.9mV) or ±1mV (others) | 
		
			| Temperature Measuring Range | 0~60.0℃ | 
		
			| Temperature Accuracy | ±0.3℃ | 
		
			| Temperature Resolution | 0.1℃ | 
		
			| ATC | ATC | 
		
			| pH Calibration | Up to 5 points | 
		
			| 99 points memory | YES | 
		
			| Real Time Clock | YES | 
		
			| Compatible Probe | pH probe (86P3, 86P2, 86P4,  86P6, 86P7, 86P1) ORP probe (850P, 86P5)
 | 
		
			| LCD Size | 44(L) * 26(W) mm | 
		
			| Operating Temperature | 0~50℃ | 
		
			| Operating RH% | Humidity <80% | 
		
			| Storage Temperature | -10~50℃ | 
		
			| Storage RH% | Humidity <90% | 
		
			| Sensor Life Time | >6 months (with good maintenance) | 
		
			| Meter Size | 175(L) * 70(W) * 33(H) mm | 
		
			| Weight | ~150g | 
		
			| Battery | AAA *4 PCS | 
		
			| Standard Package | Meter, Batteries, Manual, Carry Case, Calibration Solution | 
		
			| Optional Accessory | USB Cable & Software |