2 oxygen sensors (table 2) – Hach-Lange ORBISPHERE A1100 Family User Manual

Page 14

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12

Technical Specifications

2.4.2 Oxygen sensors (Table 2)

Table 3 Membrane specifications - Oxygen sensors (2)

2935A-A

29521A-A

2995A-A

Recommended applications

Saturated to super

saturated levels

Saturated to super

saturated levels

In line hot wort

(up to 70°C)

Material Halar

®

Tefzel

®

Tedlar

®

Thickness [µm]

25

125

12.5

Calibration gas

Air / Pure O

2

Air / Pure O

2

Pure

O

2

Dissolved measurement range

0 ppb to

400 ppm

0 ppb to

400 ppm

0 ppb to

2000 ppm

Gaseous measurement range

0 Pa to

1000 kPa

0 Pa to

1000 kPa

0 Pa to

5000 kPa

Accuracy

The greater of

±1% of reading

or ± 10 ppb,

or ± 20 Pa

The greater of

±1% of reading

or ± 10 ppb,

or ± 20 Pa

The greater of

±1% of reading

or ± 50 ppb,

or ± 100 Pa

Integrated radiation dose limit [rads]

N/A

10

8

10

8

Expected current in air
@ 1 bar 25°C [µA]

0.9

0.7

0.2

Expected current in pure O

2

[µA]

4.7

3.8

0.9

O

2

consumption in O

2

saturated

water at 25°C [µg/hour]

1.4

1.3

0.3

Temp. compensation range

– 5 to 60° C

Temp. measuring range

– 5 to 100° C

Response time

1

1

Response time at 25 °C for a 90% signal change

2.5 min.

18 min.

80 sec.

Recommended min. liquid flow rate

2

[mL/min]

2

Liquid flow through an ORBISPHERE 32001 flow chamber, with protection cap and no grille

25

25

5

Recommended min. linear flow rate

2

[cm/sec]

20

60

5

Recommended gaseous flow rate
[L/min]

0.1 to 3

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