24
CTX 300
User manual
2
nd
case: CTX 300 without display (except for O
2
et SC)
■
The sensor is operating.
■
Verify that the sensor is located in a
clean-air
environment.
Use
the
calibration
kit
and
follow
all
recommendations.
■
Connect a voltmeter to the AF+ and
AF- terminals (caliber mV/DC).
Figure 18
■
Wait for the signal to stabilize and
adjust the
zero
by using the ZERO
potentiometer located on the sensor
pack (Figure 19, ref. 2). The output
signal should be 0 mV.
■
Now inject the recommended test gas
at a flow rate of 30 l/h. Use the
calibration
kit
and
follow
all
recommendations.
■
Wait until the signal has stabilized.
Figure 19
■
Read the mV value on the voltmeter
(Figure 18), with the full scale at 1600
mV. Calculate the value to be read as
a function of your test gas.
Summary of Contents for ctx 300
Page 8: ...8 CTX 300 User manual www acornfiresecurity com www acornfiresecurity com...
Page 18: ...18 CTX 300 User manual www acornfiresecurity com www acornfiresecurity com...
Page 30: ...30 CTX 300 User manual www acornfiresecurity com www acornfiresecurity com...
Page 36: ...36 CTX 300 User manual www acornfiresecurity com www acornfiresecurity com...
Page 38: ...38 CTX 300 User manual www acornfiresecurity com www acornfiresecurity com...
Page 39: ...7 Certification 39 www acornfiresecurity com www acornfiresecurity com...
Page 40: ...40 CTX 300 User manual www acornfiresecurity com www acornfiresecurity com...
Page 44: ...44 CTX 300 User manual www acornfiresecurity com www acornfiresecurity com...
Page 47: ...9 Annex 47 Figure 28 CTX 300 overview www acornfiresecurity com www acornfiresecurity com...