Hach ORBISPHERE 3654 Manuel D'utilisation De Base page 4

Specification
EMC requirements
Warranty
1.1 Sensor membrane specifications
Specification
Thickness [μm]
Material
Recommended
applications
Radiation limits
Measurement range at
25°C
Accuracy (sample
temperature 20-50°C
within ± 5°C of
calibration temperature)
Accuracy (sample
temperature 0-50°C
independent of
calibration temperature)
Measurement cycle
(seconds)
Sample flow rate
(through flow chamber)
Specification
Thickness [μm]
Material
2
For the best accuracy, prevent instrument operation near to external electromagnetic fields.
4 English
Details
EN61326-1: EMC Directive
EU: 2 years, US: 1 year
Table 1 Sensor specifications
Membrane 29561A
25
PFA
Waste gas offgas,
reactor coolant
5
10 rad
0–1.5 ppm
0–16 cc/kg
0–1 bar
The greater of ±1 % of
reading or ±4 ppb, or
±0.06 cc/kg, or
±3 mbar
The greater of ±2 % of
reading or ±30 ppb or
±0.35 cc/kg or
±12 mbar
200 mL/min
Table 2 Sensor specifications
31272 H
Membrane Membrane
29561A
25
PFA
2
Sensor type
31270 H
2
Membrane 2952A
25
ETFE
Reactor coolant
8
10 rad
0–5 ppm
0–60 cc/kg
0–3 bar
The greater of ±1 %
of reading or ±16 ppb,
or ±0.2 cc/kg, or
±12 mbar
The greater of ±2 %
of reading or
±120 ppb or
±1.2 cc/kg, or
±40 mbar
20
100 mL/min
Sensor type
2
Membrane
2952A 2935A
25 25
ETFE ECTFE (Halar
Membrane 2935A
25
®
ECTFE (Halar )
High H level
2
8
10 rad
0–15 ppm
0–180 cc/kg
0–9 bar
The greater of ±1 % of
reading or ±45 ppb, or
±0.5 cc/kg, or
±30 mbar
The greater of ±2% of
reading or ±300 ppb or
±3.0 cc/kg, or
±100 mbar
50 mL/min
31570 N
2
Membrane
29561A
25
®
) PFA