Ion-selective electrode for nitrate

The nitrate selective electrode is a matrix membrane electrode with a solid contact. The flexible
nitrate selective membrane is made from a special ion exchanger
who is dissolved in an organic solvent and embedded
into a PVC matrix.

Technical data:
Parameter: NO3-
Measuring principle: Ion-selective Electrode
Measuring range: 1*10-5…1 mol/l, 0,4…60.000 mg/l
Slope: 57 ± 2 mV/p NO3-
Response time: < 30 s (in 62 mg/l NO3–solution)
Stability: ± 0,3 mV (30 min), ± 1 mV (24h)
Working temperature: 0 … 40 °C
Max. allowed working pressure: 1 bar
pH-range: pH 3 … pH 10
Resistance: < 1 MΩ

Interferences:
Cl-/NO3- = 100, NO2-/NO3- = 10,
Ion/NO3–Relation between interfering and measure ions at 10% error

Housing:
Material: plastic (black)
Dimensions: length: 145 mm, diameter: 12 mm
Immersion depth: 120 mm
Screw plug connector with PG13.5

Required cable: Art.no. 439 0501

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