Sensor Membrane Specifications - Hach ORBISPHERE 31 Serie Manual Básico Del Usuario

Specification
Temperature range (ambient and media) -10°C to 60°C
Purge gas dew point
Construction materials
Weight
Size in cm (overall)

1.3 Sensor membrane specifications

1.3.1 In-line instrument applications (Table 1)
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)
1
Sample flow rate (through flow
chamber)
2
Linear flow rate (past sensor
socket)
1
Minimal flow through an ORBISPHERE 32001 flow chamber
2
Minimal flow past an ORBISPHERE 29501 sensor socket
4 English
Details
-10°C (+14°F)
Housing: metal; Condensate bowl: polycarbonate; Bowl
guard: metal
460 g.
21 x 11.5 x 8
31 250 H
2
For other purge gases, please contact your Hach Lange
representative for specification.
Membrane 29561A
25
PFA
Waste gas offgas,
reactor coolant
5
10 rad
0-2 ppm, or
0-25 cc/kg, or
0-1.5 bar
The greater of ±1%
of reading or
± 2 ppb, or
± 0.03cc/kg, or
± 1.5 mbar
The greater of ±3%
of reading or
± 15 ppb or
± 0.18 cc/kg or
± 6 mbar
220 mL/min
N/A
Sensor type
and 31260 H (purge gas N
2
Membrane 2952A
25
ETFE
Reactor coolant
8
10 rad
0-10 ppm, or
0-120 cc/kg, or
0-6 bar
The greater of ±1%
of reading or
± 8 ppb, or
± 0.1cc/kg, or
± 6 mbar
The greater of ±3%
of reading or
± 60 ppb or
± 0.6 cc/kg, or
± 20 mbar
17
200 mL/min
N/A
)
2
Membrane 2935A
25
®
ECTFE (Halar )
High H level
2
8
10 rad
0-20 ppm, or
0-220 cc/kg, or
0-12 bar
The greater of ±1%
of reading or
± 25 ppb, or
± 0.4 cc/kg, or
± 20 mbar
The greater of ±3%
of reading or
± 150 ppb or
± 2.5 cc/kg, or
± 50 mbar
100 mL/min
N/A