Sensor Membrane Specifications; Oxygen Sensors (Table 1) - Hach ORBISPHERE A1100 User Manual

2.4 Sensor membrane specifications

2.4.1 Oxygen sensors (Table 1)

Recommended applications
Material
Thickness [µm]
Calibration gas
Dissolved measurement range
Gaseous measurement range
Accuracy
Integrated radiation dose limit [rads]
Expected current in air
@ 1 bar 25°C [µA]
Expected current in pure O
O consumption in O saturated
2 2
water at 25°C [µg/hour]
Temp. compensation range
Temp. measuring range
1
Response time
Recommended min. liquid flow rate
[mL/min]
Recommended min. linear flow rate
[cm/sec]
Recommended gaseous flow rate
[L/min]
Table 2 Membrane specifications - Oxygen sensors (1)
2956A-A
Corrosion control,
De-aerated water
PFA
25
Air
0 ppb to
20 ppm
0 Pa to
50 kPa
The greater of
±1% of reading
or ± 0.1 ppb
or ± 1 ppb
or ± 0.25 Pa
1
Accuracy is ± 0.1 ppb for 410, 510, 362x, 360x and 3655 instruments
2
Accuracy is ± 1 ppb for 366x and 3650 instruments
4
2 x 10
26.4
[µA] 132
2
40
7.2 sec.
2
180
2
200
2958A-A
Beverage,
Lab. applications
®
Tefzel
12.5
Air
0 ppb to
40 ppm
0 Pa to
100 kPa
The greater of
±1% of reading
1
,
or ± 1 ppb,
2
,
or ± 2 Pa
8
10
9.4
47
14
– 5 to 60° C
– 5 to 100° C
9.5 sec.
120
100
0.1 to 3
Technical Specifications
29552A-A
In line wort, Corrosion control,
Air/O injection, In line beverage,
2
Sewage treatment De-aerated water
PTFE
50
Air Air / Pure O
0 ppb to
80 ppm
0 Pa to
200 kPa
The greater of The greater of
±1% of reading ±1% of reading
or ± 2 ppb, or ± 2 ppb,
or ± 5 Pa
N/A
6.3
31.4
9.4
90 sec.
50
30
2952A-A
®
Tefzel
25
2
0 ppb to
80 ppm
0 Pa to
200 kPa
or ± 5 Pa
8
10
5.4
27
8
38 sec.
50
30
11