Serinus 40 User Manual 2.2
Calibration Port
The calibration port should be connected to the span/zero source. It is recommended that a gas
calibrator be used with a nitrogen oxide GPT source to deliver precise concentrations of NO and NO
2
.
Note: All connections to this port should not exceed ambient pressure. A vent is required for excess
span gas.
Exhaust Port
The exhaust port is where the measured sample is exhausted from the analyser. The exhaust tubing
should be fitted to a vacuum pump (minimum: 1.0 SLPM at 50 kPa).
CAUTION
Oxides of nitrogen are toxic gases. It is recommended that exhaust air is expelled
into an unoccupied area, as it contains trace levels of oxides of nitrogen. The
exhaust must be a suitable distance from the sample inlet to avoid influencing the
ambient measurements.
Background Port
The background port is used to supply air to the ozone generator within the instrument.
2.3.2 Power Connections
When connecting the power source the following must be adhered to:
CAUTION
The following points MUST be followed. Incorrect setup and activation of
instrument may cause damage and will void warranty.
1. Verify that the red switch (above power switch) is switched to the correct setting (230V or 110V).
2. A three pin power plug (with ground) must be used with an earthed power socket (3 pin).
3. Connect the power plug into the mains power point and turn the power switch on.
2.3.3 Communications Connections
There are a number of ways to communicate with the analyser:
RS232 #1
Connect this port to a data logger (such as WinAQMS) with an RS232 cable.
RS232 #2
Connect the RS232 cable from the instrument to a computer, data logger or in a multi-drop
formation.
Note: When using multi-drop ensure each analyser is given a unique instrument ID.
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