Using The Analog Output Channels; Table 5-5. Analog Outputs As Diagnostic Tools - Teledyne T200 User Manual

U
SING THE
Signals available for output over the analyzer's analog output channel (configured in the
Setup>Analog Outputs menu; see Section 2.5.8) can also be used as diagnostic tools
through the Utilities>Diagnostics menu. Some of the outputs and their descriptions and
causes are presented in Table 5-5.

Table 5-5. Analog Outputs as Diagnostic Tools

TEST
DESCRIPTION
CHANNEL
The output of the PMT
PMT
detector converted to a
0 to 5 VDC scale.
The flow rate of O
through the analyzer as
O3 Flow
measured by the O
flow sensor
The calculated flow rate
Sample Flow
for sample gas through
the analyzer.
The pressure of the
Sample
sample gas measured
Press upstream of the Auto
Zero Valve
The pressure of gas
Rx Cell Press
inside the reaction cell
of the sensor module
The temperature of gas
Rx Cell Temp
inside the reaction cell
of the sensor module
The temperature of the
IZS Temp
permeation tube oven
of the optional internal
(with IZS option)
span gas generator.
The temperature inside
PMT Temp
PMT
The temperature inside
Box Temp
the analyzer's chassis
138 Teledyne API T200 NO/NO
A O C
NALOG UTPUT HANNELS
FULL
ZERO
SCALE
0 mV 5000 mV
1000
3
0 cm 3 /min
cm 3 /min
3
1000
0 cm 3 /min
cm 3 /min
0 In-Hg-A 40 In-Hg-A
0 In-Hg-A 40 In-Hg-A
0 °C 70 °C
0 °C 70 °C
0 °C 50 °C
0 °C 70 °C
/NO Analyzer with NumaView™ Software
2 x
CAUSES OF EXTREMELY
HIGH / LOW READINGS
Failed PMT
PMT Temperature too High/Low
Bad PMT Preamp PCA
Failed HVPS
Misadjusted HVPS drive Voltage
Light Leak in reaction cell
Check for Gas Flow problems in the O
Check for Gas Flow problems in the sample gas lines.
Check for Gas Flow problems in the sample gas lines.
Check for Gas Flow problems in all gas lines.
Heater configured for wrong voltage type
Failed RCELL Temperature Sensor
Relay controlling the heater is not working
Failed Relay Board
I 2 C Bus
Heater configured for wrong voltage type
Failed permeation tube Temperature Sensor
Relay controlling the Heater is not working
Failed Relay Board
PMT fan not operating
Failed PMT Temperature Sensor
TEC not functioning
Failed PMT Preamp PCA
Box Temperature typically runs ~7°C warmer
than ambient temperature
Poor/blocked ventilation to the analyzer
Stopped Exhaust-Fan
Ambient Temperature outside of specified range
083730200A DCN7962
gas lines.
3