Xylem pH/ION 3400i ION SELECTIVE ELECTRODE ANALYZER - Manual (Page 72)

Technical data pH/ 3400i
72
pH temperature input:
ISE measuring ranges
Usable
ISE electrodes
Combination and double electrodes with connector according to DIN
19262
ISE calibration
procedure
Two point calibration or three point calibration with standards suiting
the sample
ISE slope ranges ± 25 to 35 mV and ±50 to 70 mV
Analog output Automatic switchover when the recorder is connected by the cable,
AK 323.
- 20 °C ... + 130 °C
Measuring range 1
Resolution 0.000 ... 9.999 mg/l
0.001 mg/l
Measuring range 2
Resolution 0.00 ... 99.9 mg/l
0.01 mg/l
Measuring range 3
Resolution 0.0 ... 999.9 mg/l
0.1 mg/l
Measuring range 4
Resolution 0 ... 1999 mg/l
1 mg/l
Output signals Corresponds to the electrode voltage,
i.e. 50-62 mV/pH unit
Accuracy ± 0.1 % of the measured value ± 4 mV
Internal resistance < 5 Ohm (current limited to max. 0.2 mA
output current)