HANNA HI99121 便携式pH/温度测定仪 (2.00~16.00 pH)

Range    
+ pH: -2.00 to 16.00 pH
+ Temperature: -5.0 to 105.0°C / 23.0 to 221.0°F
Resolution    
+ pH: 0.01 pH
+ Temperature: 0.1°C / 0.1°F
Accuracy @ 20°C    
+ pH: ±0.02 pH
+ Temperature: ±0.5°C (up to 60°C), ±1.0°C (outside) / ±1.0°F (up to 140°F); ±2.0°F (outside)
pH Calibration: automatic one or two point calibration with two sets of memorized buffers (Standard 4.01, 7.01, 10.01 or NIST 4.01, 6.86, 9.18)
Temperature Compensation: Automatic, -5 to 105°C (23 to 221°F)
pH Electrode: HI 1292D glass body, pre-amplified pH electrode for soil measurement with internal temperature sensor, DIN connector and 1 m cable 
Battery Type / Life: 1.5V AAA (3) / approximately 1400 hours of continuous use. Auto-off after eight minutes of non-use
Environment: 0 to 50°C (32 to 122°F); RH max 100%
Dimensions: 152 x 58 x 30 mm 
Weight: 205g (7.2 oz.)
Ordering Information: HI99121 is supplied with HI1292D pH electrode, HI721319 soil auger, HI7051M soil preparation solution, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700663 cleaning solution sachet for inorganic soil deposits, HI700664 cleaning solution sachet for organic soil deposits, 100 mL plastic beaker, batteries, instructions and a hard carrying case.