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Issue date: 17 November 2006
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Pressure transmitter unit
24.42
Pressure connection - electronic pressure sensor for connection to the high pressure outlet port
of the first stage pressure reducer.
24.43
Outlet connection to the electronic user interface unit (display unit).
Electronic low pressure warning
24.44
Activation set to 84 bar.
Note: all electronic devices may suffer a temporary loss of function if subjected to extreme levels
of RF radiation. The Bodyguard will continue to operate with no loss of performance or loss of
function, once the RF radiation has been removed.
•
ATEX Certification (94/9/EC)
•
Radio Frequency (RF) Compliance
•
EN6100-4-3 compliance
•
30 V/m to ISO11452 Part 2 compliance
Power supply
24.45
Main power – 6.5 volts
24.46
Low battery warning – 5.5 volts
24.47
Power-up shut off – 5.0 volts
24.48
The Bodyguard electronic monitoring unit is powered by the battery pack.
24.49
Actual operating time of the battery pack depends on usage although typically from fully charged
and tested an hour per day it will last approx five months. This is dependent on how long the
system has been in operation, frequency of alarms, ambient temperature and the frequency of
use of the back light.
24.50
With the system switched ‘off’, a small amount of power is still consumed.
Bodyguard sound level (distress alarm)
24.51
Sound level = 102 – 112 dBA
Operating temperature
24.52
Operating temperature range = -32°C to +70°C
Approvals
24.53
EN137: 2006 Type 2
24.54
Atex I M 1 / II 1 GD IIC T6 (Ta -30°C to +60°C)
24.55
IM 1/II GD IIB T6 (Ta-30°C to +60°C)