pH6231 Portable Professional Type pH Meter, -2.000 ~ 20.000 pH, Shanghai Sunny Hengping Scientific Instrument Co., Ltd (CAT#: STEM-AI-0128-YJL)

pH 6231 Portable Professional Type pH Meter, -2.000 ~ 20.000 pH, is manufactured by Shanghai Sunny Hengping Scientific Instrument Co., Ltd.
Large anti-attrition LCD screen, high definition dot-matrix background illumination
USB Interface: Data transfer software by USB connect to PC
Calibration point, slope can be record for each measurement mode
Temperature offset adjusting function
Built-in rechargeable Li-battery with low battery indicator (Bench-top Meter)
Beep sounds

pH measurement range: -2.000 ~ 20.000 pH
mV measurement range: -2000.0 ~ 2000.0 mV
Temperature range: -10.0～120.0℃, 14.0～248.0℉
Temperature Compensation: Auto/Manual
Measurement resolution: 0.001pH, 0.1 mV, 0.1℃, 0.1℉
Accuracy: ±0.001pH, ±0.2mV, ±0.3℃, ±0.5℉
Calibration: Continuous 5-point standard solution calibration
Calibration reminder function: 0-60 days optional
Memory function: 750 sets of data memory
Auto Power Off: can be set (default 10 minutes after no action)

Large 3.2-inch LCD multi-line wear-resistant display screen
Power: 2x1.5V AA batteries
Reading stability setting: three-stage optional
Password setting: four-digit password can be set by yourself
Product serial number: four codes, can be set by yourself
User serial number: two codes, which can be set by yourself
Date setting: YY/MM/DD;MM/DD/YY;DD/MM/YY optional
Time setting: 12h/24h optional
Reading lock function: on/off selectable
Temperature offset calibration: ±5.0°C/±9.0°F adjustable
Display of corrected points and correction results (Offset offset/Slope)
At the same time, the measured value is displayed, including time and date / product serial number / user number / storage memory quantity
One-click to set high brightness backlight
Software data acquisition system
Standard USB communication interface
Data acquisition software and software CD-ROM

pH6221 Portable Standard Type pH Meter (CAT#：STEM-AI-0129-YJL)