E+E Elektronik EE895 User Manual page 19

Miniature sensor module for co2, temperature and barometric pressure
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Measuring status: indicates when new single shot measurement is possible.
Register
Function
1)
address
code
[HEX]
0x03
0x1F9
1) Register address starts from 0
Tab. 15
Single shot measurement possible
Measuring trigger: command for the single shot measurement. For accurate measurement results, there are
recommended six single shot measurements under stable temperature conditions.
Register
Function
1)
address
code
[HEX]
0x06
0x1FA
1) Register address starts from 0
Tab. 16
Command single shot measurement
EE895 detailed status
Register
Function
1)
address
code
[HEX]
0x03
0x258
1) Register address starts from 0
Tab. 17
Status details
Note
[Bit 0]: Data ready. The data are available for read out.
0 = busy, 1 = ready
[Bit 1]: Trigger ready. The EE895 is ready for new measurement cycle.
The minimum time interval between two triggers is 10 s.
0 = trigger not possible
1 = ready for new trigger
[Bit 2..15]
reserved (do not use)
Note
[Bit 0]: Measurement Trigger
0 = don't care
1 = Start new measurement cycle
[Bit 1..15]
reserved (must be written as 0)
Note
[Bit 0]:
CO
measurement too high
2
[Bit 1]:
CO
measurement too low
2
[Bit 2]:
T measurement too high
[Bit 3]:
T measurement too low
[Bit 6]:
p measurement too high
[Bit 7]:
p measurement too low
[Bit 8...15]: reserved (do not use)
Miniature Sensor Module for CO
, Temperature and Barometric Pressure | 19
2
User Manual EE895

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