General Specifications For Datalogger Units - BW Technologies GasAlertMax User Manual

H2s, co, o2, combustibles 2, 3, and 4 gas detectors
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Performance data according to EN 45544 Part 1 and 2:
Target Gas
Time of response
Time of recovery
Alarm response time
Zero variation
Overall uncertainty
Lower limit of the measuring range 2 ppm (v/v) 0 ppm (v/v)
Drift under zero gas (3 month)
Drift under standard test (3 month) 2 ppm (v/v) 2 ppm (v/v)
Maximum calibration period
CO
H
S
2
19 s
25 s
22 s
15 s
≤5 s
≤4 s
4 ppm (v/v) 0 ppm (v/v)
7%
10%
0 ppm (v/v) 0 ppm (v/v)
3 month
3 month

General Specifications for Datalogger Units

Media type: MMC (MultiMediaCard)
Size: 32 MB (standard); 32 and 64 MB cards available
Storage:
500,000 lines of data (32 MB)
4.5 months (based on a normal work week)
Memory type: Wrap-around memory ensures most recent
data is always saved
Sample rate: One reading every 5 seconds (standard)
Data recorded: All sensor readings, all alarm conditions,
calibrations, event flags, battery status, sensor status,
confidence activation, sampling pump status, and product
status along with the time and date for each reading and unit
serial number.
MMC card test: Automatically on activation
Not part of BAM certification
GasAlertMax
Specifications
59

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