Supply Port (Atm And 3,000 Psi) - Fluke 6270A Service Manual

6270A
Service Manual

Supply Port (ATM and 3,000 psi)

There is an isolation valve between the supply port on the manifold
and the supply port of the PCM. Follow directions to ensure that the
supply pressure and valve position is correct for the calibration point.
Send the CAL:PRES6:VAL1 xx.xx command to open the supply
isolation valve. This command will be used twice.
1. Remove all supply pressure from the supply port of the Product. See
2. Use a TEE  to connect an external digital pressure device that reads in
3. Touch Vent and then Enter to vent the Product.
4. Ensure the supply line is disconnected from the supply port.
5. With the reference and supply sensor vented to atmosphere, type
68
Ball Valve
6270A
High Range Module ≥ 1500 psi
Figure 40. Calibrating Sensors
Figure 41.
Absolute units  to the supply line. Use this as the reference pressure.
CAL:PRES6:VAL1 xx.xx (xx.xx =value in units must be absolute). This
Regulator
Max 6000 psi Input
3300 psi Out
Vac
Pump
3300
+
Note
6000
Supply Bottle
CGA Fitting
hxn301.eps