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Specification
Measuring range pH: 0.00 ... 14.00 pH
Resolution: 0.01 pH
Accuracy: ± (0.02 pH + 2d)
Temperature range electrode: 5 ... 60°C / 41 ... 140°F
Reference electrode: Ag / AgCL 3.0 M KCL
Dimensions electrode: 12 x 110 mm / 0.5 x 4.3 in
Measuring range redox: -1999 ... 0 ... 1999 mV
(only possible with optional REDOX electrode)
Resolution: 1 mV
Accuracy: ± (0.5% + 2d)
Measuring range temperature: 0 ... 65°C / 32 ... 149°F (only temp. sensor)
Resolution: 0.1°C / 0.18°F
Accuracy (@ 20°C / 68°F): ± 0.5°C / 0.9°F
Calibration: Automatic three-point calibration
Temperature Compensation: Automatically from 0 ... 65°C / 32 ... 149°F or manually between 0 ... 100°C / 32 ... 212°F with the temperature sensor removed
Electrode: ERH-115 pH electrode, gel filled
1 m / 3.3 ft cable and BNC plug
Temperature range: 5 ... 60°C / 41 ... 140°F
Measuring rate: Adjustable from 1 second to 8 hours 59 minutes 59 seconds
Display: LC display 52 x 38 mm / 2 x 1.5 in
Data storage: Flexible via SD card memory 1 ... 16 GB
Interface: RS-232
Software: Optional
Power supply: 6 x 1.5V AA batteries / 9V power adapter (optional)
Environmental conditions: 0 ... 50°C / 32 ... 122°F max. 85% rh
Dimensions: 177 x 68 x 45 mm / 7 x 2.7 x 1.8 in
Weight 490 g / 1.1 lbs
Delivery contents
1 x Surface pH Meter PCE-228
1 x Electrode ERH-115
1 x SD memory card (2 GB)
1 x Card reader
1 x Temperature sensor
6 x Battery
1 x User manual
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