Performing The Auto Leak Check Procedure; Returning The T700 To Service After Performing An Auto Leak Check - Teledyne T700 Operation Manual

Maintenance

8.2.1.3. Performing the Auto Leak Check Procedure

Make sure that the T700 is
in standby mode.
Toggle these keys to enter
the correct PASSWORD
Pressure displayed is the
actual pressure read by the
instruments internal
sensors.
At the beginning of the test
this should equal the
pressure of the Diluent Gas
(Zero Air ) bottle

8.2.1.4. Returning the T700 to Service after Performing an Auto Leak Check

230
To perform an AUTO LEAK CHECK, press:
STANDBY A-CAL=0.000 LPM
<TST TST> GEN STBY SEQ
SETUP X.X PRIMARY SETUP MENU
GAS SEQ CFG CLK PASS
SETUP X.X SECONDARY SETUP MENU
COMM FLOW VARS DIAG
SETUP X.X ENTER PASSWORD
0 0 0
DIAG SIGNAL I/O
PREV NEXT
Continue pressing NEXT until ...
DIAG AUTO LEAK CHECK
PREV NEXT
DIAG LEAK LEAK CHECK 30.0 PSIG,
DIAG LEAK LEAK CHECK PASSED 29.8 PSIG
1. Remove all of the caps from the EXHAUST, CAL GAS OUTPUTS (2) and the VENT
port and from the internal vent.
2. On instruments with an optional O3 photometer, reconnect the internal gas lines so
that the Sensor PCA and pump are functional.
3. Remove the tee from the DILUENT IN and CYL 1.
4. Reconnect the ZERO AIR SOURCE to the DILUENT IN.
5. Reconnect Cal Gas bottle to CYL 1 and open the bottles outlet port.
6. Replace the calibrator's top cover.
7. The calibrator is now ready to be used.
Teledyne API – Model T700 Dynamic Dilution Calibrator
SETUP
MORE EXIT
EXIT
ENTR EXIT
ENTR EXIT
Test Runs Automatically
At 17% of elapsed time the program
ENTR EXIT
shuts the DILUENT IN and CYL1
port valves. Then measures the total
drop in internal gas pressure (if any)
17%
for the duration of the test.
A drop of ≥ 2 PSIG causes the test
EXIT
to FAIL.
Run time is approximately
5 minutes
EXIT
06873B DCN6388