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Teledyne API – Model T700 Dynamic Dilution Calibrator
Instrument Chassis
DILUENT
grn
INLET
DILUENT
Valve
brn
Purge
brn
Valve
CAL GAS 1
INLET
CAL GAS 2
INLET
CAL GAS 3
INLET
orn
orn
CAL GAS 4
INLET
yel
GAS INPUT MANIFOLD
(on back panel)
Figure 3-27: Internal Pneumatics for T700 Calibrator with Optional O
Table 3-16: Operating Mode Valve States for T700 Calibrator with Optional O
GAS TYPE
CYL
CYL
1
2
Generate
2
O
O
Source Gas
Generate O
X
X
3
Leak Check
X
X
0-17%
Leak Check
X
X
17%-100%
2
GPT
O
O
X
X
GPTPS
X
X
PURGE
STANDBY
X
X
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 an instrument with multiple MFCs the CPU chooses which MFC to use depending on the target gas flow requested.
4
When generating O
or in GPT Pre-Set mode, the photometer pump is the primary creator of gas flow through the T700. Flow rates are controlled by critical flow
3
orifice(s) located in the gas stream
06873E DCN7106
Pressure
Regulator
grn
brn
DILUENT
Diluent
PRESSURE
Mass Flow Controller
SENSOR
CAL GAS
PRESSURE
SENSOR
GPT
Valve
red
yel
yel
yel
Cal Gas
Mass Flow Controller 1
VALVES
(X = Closed; O = Open)
CYL
CYL
PURGE
3
4
2
2
2
O
O
X
X
X
X
X
X
O
X
X
O
2
2
2
O
O
X
X
X
X
X
X
O
X
X
X
In addition to the connections discussed in the previous sections, this option also
requires the following:
Loop back lines must be connected between:
PHOTOMETER OUTLET fixture and the PHOTOMETER INLET fixture.
PHOTOMETER ZERO OUT fixture and the PHOTOMETER ZERO IN fixture.
An O
exhaust line must be connected to the EXHAUST outlet.
3
Flow Control
(1.0 LPM)
gry
O
GAS INPUT
3
PRESSURE SENSOR
PHOTOMETER
PRESSURE SENSOR
O
GEN / PHOTOMETER
3
PRESSURE / FLOW SENSOR PCA
O
Gen
3
Valve
blk
red
GPT
blu
Volume
O
3
DILUENT
GPT
GEN
O
X
X
O
X
O
O
X
X
X
X
X
O
O
O
O
O
O
O
O
O
O
X
X
PHOTOMETER BENCH
(option)
On Back Panel
vio
Flow Control
REF/MEAS
Valve
3
(800 cm
)
wht
PUMP
wht
INTERNAL
VENT
blk
blu
GAS OUTPUT MANIFOLD
Generator and Photometer
3
Generator and Photometer
3
MFCs
PHOT M/R
CAL1
CAL2
3
Reference Phase
ON
ON
Switching
OFF
OFF
ON
ON
ON
ON
3
Reference Phase
ON
ON
Switching
OFF
OFF
3
Reference Phase
ON
ON
Reference Phase
OFF
OFF
Getting Started
vio
PHOTOMETER
INLET
PHOTOMETER
ZERO IN
PHOTOMETER
ZERO OUT
gry
EXHAUST
PHOTOMETER
OUTLET
CAL GAS
OUTPUT 1
CAL GAS
OUTPUT 2
VENT
PHOT
PUMP
1
DILUENT
3
ON
OFF
4
OFF
ON
ON
ON
3
ON
OFF
4
ON
ON
3
ON
OFF
OFF
OFF
63
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