wtw 106 395, Operation Instructions Manual, Page: 16 / 16

Technical data NH 500/2
16
7 Technical data
Dimensions
(in mm)
Materials Shaft, storing cap POM
Plug-in connector PPS
Membrane cap POM
Membrane PP
Materials with sample
contact POM copolymer, NBR (O ring), PP
Measurement
conditions
Measuring ranges at 20 °C 10
-6
... 5 · 10
-2
mol/l NH
4
+
0.02 ... 900 mg/l NH
4
+
Temperature range 0 ... 50 °C
Depth of immersion min. 5 mm
max. 50 mm
Operating position vertical, inclined to max. 45 °
Max. allowed overpressure < 5·10
4
Pa (0.5 bar)
Characteristic data
on delivery
Reproducibility ± 2 %
120
153
12
16