Generate Mode; Figure 4-4: Gas Flow Through Basic T700 In Generate Mode; Table 4-4: Status Of Internal Pneumatics During Generate Mode - Teledyne T700 Operation Manual

Overview of Operating Modes and Basic Operation

4.2. GENERATE MODE

Instrument Chassis
DILUENT
INLET
DILUENT
Valve
Purge
Valve
CAL GAS 1
INLET
CAL GAS 2
INLET
CAL GAS 3
INLET
CAL GAS 4
INLET
GAS INPUT MANIFOLD
(on back panel)

Figure 4-4: Gas Flow through Basic T700 in GENERATE Mode

Table 4-4: Status of Internal Pneumatics During GENERATE Mode

GAS TYPE
CYL CYL
1 2
Generate
2
O O
Source Gas
Generate O X X
3
1
Only present if multiple cal gas MFC option is installed.
2
The valve associated with the cylinder containing the chosen source gas is open.
3
In instrument with multiple MFCs the CPU chooses which MFC to use depending on the target gas flow requested.
98
The Generate Mode allows the user to generate the desired calibration gas mixtures.
The types of gas include NO, NO
concentration entered during initial setup (see Section 3.4.7). If the unit has an optional
O generator installed, various concentrations of O
3
brn
DILUENT
PRESSURE
SENSOR
CAL GAS
PRESSURE
SENSOR
orn
orn
yel
Table 4-4 shows the status of the T700‟s various pneumatic components when the
calibrator is in GENERATE mode:
VALVES
(X = Closed; O = Open)
CYL CYL
PURGE
3 4
2 2 2
O O X
X X X
Teledyne API – Model T700 Dynamic Dilution Calibrator
, SO , CO, HC or ZERO gas based on the source gas
2 2
brn
Diluent
Mass Flow Controller
yel
yel
yel
Cal Gas
Mass Flow Controller
O
3
DILUENT GPT
GEN
O X X
O X O
can be generated as well.
3
On Back Panel
blu
blu
GAS OUTPUT MANIFOLD
MFCs
1
PHOT M/R CAL1 CAL2
Reference
3 3
ON ON
Phase
Switching
OFF OFF
PHOTOMETER
INLET
PHOTOMETER
ZERO IN
PHOTOMETER
ZERO OUT
EXHAUST
PHOTOMETER
OUTLET
CAL GAS
OUTPUT 1
CAL GAS
OUTPUT 2
VENT
PHOT
PUMP
DILUENT
ON OFF
OFF ON
06873E DCN7106