Impact / Impact Pro / Impact Pro IR Operating Instructions
56
Using your Cl
2
Cartridge
Please ensure that the following points are noted when the cartridge is in service.
Always use PTFE tubing (maximum length of 500mm) and a flow rate of 1.
500ml/min when calibrating the Cl
2
channel.
Apply all gases to the port marked OUTLET (not INLET) on the Flow 2.
Housing.
With regard to the actual sensors fitted, please perform span calibrations 3.
on the sensors of the Impact Pro cartridge in the following order: Cl
2
, NH
3
,
H
2
S, CO, Flammable.
When performing a Span Calibration on the Cl4.
2
channel,it is good practice to
flow Cl
2
calibration span gas through connected tubing for a minimum of 15
minutes without the flow adapter fitted to the Impact Pro before attempting
a span calibration. Failure to do so may result in a false calibration of the
Cl
2
channel.
Do not apply Span Calibration gas to the Impact Pro for greater than 5 5.
minutes. Again failure to do so may result in a false calibration of the Cl
2
channel.
This cartridge is not suitable for pumped mode operation.6.
Due to the open nature of the Stainless Steel filter, there is a greater risk 7.
of water damage occurring to the instrument. Every attempt should be
made to keep the instrument dry.
Refer to the CAUTION given in 8. Section 1.1 of this manual for details on
recommended daily checks on your gas detector.
Applied Gas
Effect
on CO
Sensor
Effect
on H
2
S
Sensor
Effect
on CO
2
Sensor**
Effect
on Cl
2
Sensor
Effect
on NH
3
Sensor
Effect
on SO
2
Sensor
CO (100 ppm) 100 ppm 0 ppm 0% v/v 0 ppm 35 ppm 1 ppm
H
2
S (40 ppm) 0 ppm 40 ppm 0% v/v -25 ppm
1
50 ppm 1 ppm
CO
2
(0.5% v/v) 0 ppm 0 ppm 0.5% v/v 0 ppm 0 ppm TBA
Cl
2
(5 ppm) 0 ppm 0 ppm 0% v/v 5 ppm 0 ppm -2 ppm
1
NH
3
(50 ppm) 0 ppm 0 ppm 0% v/v -2 ppm
1
50 ppm TBA
Hydrogen
(1000 ppm)
200 ppm 0 ppm 0% v/v TBA 35 ppm TBA
SO
2
(10 ppm) 0 ppm 0 ppm 0% v/v 2 ppm 0 ppm 10 ppm
1
Reading displayed as -0ppm.
** Electrochemical CO
2
cell only
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