PCE PHD 1 多功能pH计 (0~14,0 pH)

pH measurement
Measurement range	0 ... 14.0 pH
Resolution	0.01 pH
Accuracy	±0.02 pH + 2 digits
Calibration	3 points (pH 4, pH 7, and pH 10)
Temperature compensation	Automatic with additional temperature sensor (0 ... 60 ºC / 32 ºF ... 140 ºF) or manual (0 ... 100 ºC / 32 ºF ... 212 ºF)

Conductivity
Measurement range	0 ... 200 µS/cm, 0.2 ... 2.0 mS/cm, 2 ... 20.0 mS/cm, 20 ... 200 mS/cm
Resolution	0.01 µS/cm, 0.001 mS/cm, 0.01 mS/cm, 0.1 mS/cm
Accuracy	±2 % of the measurement range + 1 digit
Calibration	1413 mS/cm
Temperature compensation	Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF)

Total dissolved solids (TDS)
Measurement range	0 ... 132 ppm, 132 ... 1320 ppm, 1320 ... 13200 ppm, 13200 ... 132000 ppm
Resolution	0.1 ppm, 1 ppm, 10 ppm, 100 ppm
Accuracy	±2 % of the measurement range + 1 digit
Temperature compensation	Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF)

Salt content
Measurement range	0 ... 12 % (of weight)
Resolution	0.1 %
Accuracy	±0.5 % of the measurement range
Temperature compensation	Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF)

Oxygen
Measurement range	0 ... 20 mg/l (in water), 0 ... 100 % (in air), 0 ... 50 ºC / 32 ºF ... 122 ºF
Resolution	0.1 mg/l, 0.1 %, 0.1 ºC
Accuracy	±0.4 mg/l, ±0.7 %, ±0.8 ºC
Calibration	In the air
Temperature compensatio	Automatic (0 ... 50 ºC / 32 ºF ... 122 ºF)

Temperature
Measurement range	0 ... 60 ºC / 32 ºF ... 140 ºF
Resolution	0.1 ºC
Accuracy	±0.8 ºC
Temperature compensation	Automatic (0 ... 60 ºC / 32 ºF ... 140 ºF)