HANNA HI981914 Pool Line专业防水便携式pH/ORP/ISE仪表 (-2.0 ~ 20.0pH)

pH: 

Range:  -2.0 to 20.0 pH / -2.00 to 20.00 pH / -2.000 to 20.000 pH

Resolution : 0.1 pH / 0.01 pH / 0.001 pH

Accuracy:  ±0.1 pH / ±0.01 pH / ±0.002 pH

mV

Range:  ±2000 mV

Resolution:  0.1 mV

Accuracy : ±0.2 mV

ISE

Range From:  1.00 E-7 to 9.99 E10 concentration

Resolution:  3 digits 0.01, 0.1, 1, 10 concentration

Accuracy:  ±0.5% of reading (monovalent ions); ±1% of reading (divalent ions)

Temperature:  -20.0 to 120.0 °C (-4.0 to 248.0 °F)

Rel mV Offset Range : ±2000 mV

pH Calibration : Up to five point calibration using seven standards (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and five custom buffers

Slope Calibration : From 80 to 110%

ISE Calibration:  Up to five point calibration points using six standard solutions (0.1, 1, 10, 100, 1000, 10000 ppm)

Temperature Compensation : Manual or Automatic from -20.0 to 120.0 °C (-4.0 to 248.0 °F)

pH Electrode:  HI72911B pH & temperature

Logging Memory : 300 records, log-on-demand (100 records per range)

Input Impedance:  10¹² Ω

Battery Type/Life:  1.5V AA batteries / approximately 200 hours of continuous use without backlight (50 hours with backlight)

Auto Power Off:  5, 10, 30, 60 minutes or disabled

PC Interface:  Opto-isolated USB

Dimensions:  185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)

Weight:  400 g (14.2 oz)

Environment:  0 to 50 °C (32 to 122 °F) max. RH 100% IP67

Datasheet