Owner's manual

Technical data pH/ 3400i

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

1mg/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)