Range:

1·10^-5…1 mol/l, 0,2…18.000 mg/l

Slope:

57 ± 2 mV/p NH₄⁺

Response Time:

< 30 s (in 180mg/l NH₄⁺- Solution)

Stability:

± 0,3 mV (30 min), ± 1 mV (24 h)

Interfering ions:

Ca²⁺/NH₄⁺= 10.000
Mg²⁺/NH₄⁺= 10.000
Na⁺/NH₄⁺= 1.000
H⁺/NH₄⁺= 100
K⁺/NH₄⁺= 10
Ion/NH₄⁺- Relation between interfering
and measure ions at 10 % error

pH:

3..7

Temperature:

0…40 °C

Resistance:

~1 MΩ

Sensor:

organic ion exchanger in a special solvent,
homogeneously distributed in PVC

Shaft material:

Plastics (black)

Dimension:

Length: 145 mm
Diameter: 12 mm
Immersion depth: 120 mm