Hach ORBISPHERE 3654 Basic User Manual page 4

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
Recommended
applications
Radiation limits
Measurement range at
25°C
Accuracy (sample
temperature 20-50°C
within ± 5°C of
calibration
temperature)
4 English
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
Membrane 29561A Membrane 2952A
25
PFA
Waste gas and
offgas
5
10 rad
0–0.075 ppm
0–8 cc/kg
0–0.5 bar
The greater of ±1 %
The greater of ±1 %
of reading or ±2 ppb,
or ±0.03 cc/kg, or
±2 mbar
Sensor type
31270 H
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
31272 H
2
Membrane 2935A
25
ETFE ECTFE (Halar
Waste gas and
Reactor coolant and
offgas, reactor
high H
coolant
8
10 rad
0–2.5 ppm
0–30 cc/kg
0–1.5 bar
The greater of ±1 %
of reading or of reading or
±8 ppb, or ±25 ppb, or
±0.1 cc/kg, or ±0.25 cc/kg, or
±6 mbar
2
Membrane 2935A
25
ECTFE (Halar
High H
8
10
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
Membrane
29561A
25
®
)
Beverage
level
2
8
10 rad 10
0–7.5 ppm 0–250 ppm
0–90 cc/kg 0–200 mL/L
0–4.5 bar 0–15 bar
The greater of
±2 % of reading or
±0.5 ppb, or
±0.5 mL/L, or
±15 mbar ±30 mbar
®
)
level
2
rad
2
25
PFA
5
rad