Hach-Lange ORBISPHERE 31xxx Thermal Basic User Manual - Manual (Page 5)

Sensor type
31 450 CO
2
and
31460 CO
2
(purge
gas N
2
)
31 550 N
2
and
31560 N
2
(purge
gas CO
2
)
31 280 H
2
/D
2
and He (clean air
purge)
Specification Membrane 29561A Membrane 29561A
Membrane
2952A
Membrane
29561A
Accuracy (sample
temperature 20-50°C within
± 5°C of calibration
temperature)
The greater of ±1%
of reading or ±
0.006V/V, or ±
0.012g/kg, or ±
8 mbar
The greater of ±2%
of reading or ±
0.3 ppm, or ±
0.25mL/L, or ±
15 mbar
The greater of
±2% of reading
or ± 1% H
2
/D
2
The greater of
±2% of reading
or ± 0.2% H
2
/D
2
Accuracy (sample
temperature 0-50°C
independent of calibration
temperature)
The greater of ±2%
of reading or ±
0.02 V/V or ±
0.048g/kg or ±
14 mbar
The greater of ±4%
of reading or ±
1 ppm or ± 0.8 mL/L
or ± 34 mbar
N/A N/A
Measurement cycle
(seconds)
22 1 60 60
Sample flow rate 2 (through
flow chamber)
100 mL/min 300 mL/min 200 mL/min 500 mL/min
Linear flow rate 3 (past
sensor socket)
50 cm/sec 150 cm/sec N/A N/A
1 Measurement cycle for 3624 ProBrix application is 15 seconds
2 Minimal flow through an ORBISPHERE 32001 flow chamber
3 Minimal flow past an ORBISPHERE 29501 sensor socket
Sensor weight and dimensions
Weight with external temperature adapter 1330g (±20g). Weight without external temperature
adapter 1040g (±20g).
Figure 1 Sensor dimensions
Note: Shown with external temperature adapter.
General information
In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential
damages resulting from any defect or omission in this manual. The manufacturer reserves the right to
make changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer’s website.
English 5