Hach-Lange SI794 D tr User Manual - Manual (Page 90)

O
2
input Type A sensor: Hamilton Oxyferm, Oxysens
Type B sensor: Hamilton Oxygold
Measuring current 0 ... 600 nA
Resolution 10 pA
Saturation (-10 ... 80 °C) 0... 120 %
Measurement error 1,2,3 0.5 % meas.val. + 0.1 %
Concentration (-10 ... 80 °C) 0000 ... 9999 µg/L
0000 ... 9999 ppb
0.000 ... 9.999 mg/L
0.000 ... 9.999 ppm
0.00 ... 50.00 ppm
Measurement error 1,2,3 0.5 % meas.val. + 0.005 mg/L or 0.005 ppm
Permissible guard current ≤ 20 µA
Polarization voltage * 0 ... 1000 mV, resolution 3 mV
Process pressure * 0 ... 9.999 bars
( ... 999.9 kPa / ... 145.0 PSI)
Salinity correction * 00.00 ... 45.00 g/kg
Sensor standardization
Operating modes * O
2
saturation (automatic)
O
2
concentration (automatic)
Product calibration
Zero calibration
Calibration range Zero point ± 2 nA
Sensor Type A Slope 25 ... 130 nA
(at 25 °C, 1013 mbars)
Calibration range Zero point ± 2 nA
Sensor Type B Slope 200 ... 550 nA
(at 25 °C, 1013 mbars)
Calibration timer * 0000 ... 9999 h
Pressure correction * 0.000 ... 9.999 bars / 999.9 kPa / 145.0 PSI
Sensocheck Monitoring for short circuits / open circuits
(can be disabled)
Sensoface Provides information on the sensor condition
evaluation of zero point/slope, response time,
calibration interval, Sensocheck
Specifications
90