Figure 4-3. Gas Flow Through Basic T750 In Generate Mode; Table 4-2. Status Of Internal Pneumatics During Generate Mode - Teledyne T750 User Manual

Instrument Chassis
DILUENT
INLET
DILUENT
Valve
CAL GAS
INLET
GAS INPUT MANIFOLD

Figure 4-3. Gas Flow through Basic T750 in GENERATE Mode

Table 4-2 shows the status of the T750's various pneumatic components when the
calibrator is in GENERATE mode:

Table 4-2. Status of Internal Pneumatics During GENERATE Mode

GAS TYPE
Generate
Source Gas
Generate O
3
1 Only present if multiple cal gas MFC option is installed.
2 In instruments with multiple MFCs, the CPU chooses which MFC to use depending on the target gas flow
requested.
3 Present with photometer option.
4 Present with O Generator option.
3
083730750B DCN8606
brn
DILUENT
PRESSURE
SENSOR
CAL GAS
PRESSURE
SENSOR
orn
orn
yel
yel
Mass Flow Controller
VALVES
(X = Closed; O = Open)
(D = Deenergized; E = Energized)
CYL DILUENT O
3
GPT
IN IN GEN 4
O O D D
X O D E
brn
Diluent
Mass Flow Controller
yel
blu
yel
Cal Gas
MFCs
PHOT
CAL1 CAL2
M/R 1
Reference
ON ON
2 2
Phase
OFF OFF
Switching
On Output Panel
EXHAUST
CAL GAS
OUTPUT
blu
PHOTO
PUMP
3
1 DILUENT
ON OFF
OFF ON
85