Hach ORBISPHERE 31 Série Manuel D'utilisation Simplifié page 4

Specification
Gaseous measurement range
Accuracy
Integrated radiation dose limit
Expected current in air @ 1 bar
25°C [μA]
Expected current in pure gas
[μA]
Temperature compensation
range
Temperature measuring range
1
Response time
Recommended minimum liquid
2
flow rate [mL/min]
Recommended minimum linear
2
flow rate [cm/sec]
Recommended gaseous flow
rate [L/min]
1.2.2 Oxygen sensors (table 1)
Specification
Recommended applications
Material
Thickness [μm]
Calibration gas
Dissolved measurement range
Gaseous measurement range
1
Response time at 25°C for a 90% signal change
2
Liquid flow through an ORBISPHERE 32001 flow chamber, with protection cap and no grille
4 English
Membrane Membrane
2956A 2952A
0 Pa to
0 Pa to 5 kPa
20 kPa
The greater
The greater of
of ±1% of
±1% of reading
reading or
or ± 0.03 ppb,
± 0.09 ppb, or
or ± 1 Pa
± 6 Pa
4
2 x 10
150
0 to 50°C 0 to 50°C
2 seconds 5 seconds
50 to 220 40 to 200
200
Membrane Membrane
2956A
Corrosion Beverage,
control, De-
aerated water applications
PFA
25
Air
0 ppb to 0 ppb to
20 ppm
0 Pa to
50 kPa 100 kPa
Membrane
2995A
0 Pa to
200 kPa
The greater of
±1% of reading
or ± 1 ppb, or
± 50 Pa
8 8
10 10
N/A
50 5
10 to 45°C
-5 to 100° C
6 seconds
20 to 70
150 50
0.005 to 3
Membrane
2958A 29552A
In line wort,
Air/O
Lab. injection,
Sewage
treatment
®
Tefzel PTFE
12.5 50
Air Air
0 ppb to
40 ppm 80 ppm
0 Pa to 0 Pa to
200 kPa
Membrane
29015A
0 kPa to
2000 kPa
The greater
of ±1% of
reading or
± 10 ppb, or
± 1 kPa
N/A
0.5
10 to 45 °C
50 seconds
20 to 40
30
Membrane
2952A
Corrosion
2
control, In line
beverage, De-
aerated water
®
Tefzel
25
Air / pure O
2
0 ppb to
80 ppm
0 Pa to
200 kPa