HANNA HI99181 Skin pH Portable Meter (-2.00~ 16.00 pH)

pH Range: -2.00 to 16.00 pH
pH Resolution: 0.01 pH
pH Accuracy: ±0.02 pH
pH Calibration: automatic, at one or two points with two sets of buffers (standard 4.01, 7.01,10.01 or NIST 4.01, 6.86, 9.18)
Temperature Range: -5.0 to 105.0°C / 23.0 to 221.0°F
Temperature Resolution: 0.1°C / 0.1°F
Temperature Accuracy: ±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)
Temperature Compensation: automatic from -5.0 to 105.0ºC (23 to 221ºF)
Electrode/Probe: HI1414D/50 pre-amplified pH probe with internal temperature sensor, DIN connector and 1 m (3.3’) cable (included)
Battery Type/Life: 1.5V (3) AAA / approximately 1200 hours of continuous use; auto-off after 8 minutes of non-use
Environment: 0 to 50°C (32 to 122°F); RH max 100%
Dimensions: 152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight: 205 g (7.2 oz.)
Ordering Information: HI99181 is supplied with HI1414D/50 flat tipped pH/temperature probe, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700620 electrode cleaning and disinfection solution for skin residuals sachets (2), HI700621 electrode cleaning solution for skin grease and sebum sachets (2), batteries, instruction manual, and hard carrying case.
 

Option: 
- HI7010L pH 10.01 Calibration Solution (500 mL)
- HI70007P pH 7.01 Calibration Buffer Sachets (25 x 20 mL)
- HI70004P pH 4.01 Calibration Buffer Sachets (25 x 20 mL)
- HI70621L Cleaning Solution for Skin Grease and Sebum (500 mL)
- HI710024 Shockproof Rubber Boot (Blue)
- HI70010P pH 10.01 Calibration Buffer Sachets (25 x 20 mL) 
- HI7007L pH 7.01 Calibration Solution (500 mL)
- HI7004L pH 4.01 Calibration Solution (500 mL)

Manual