Ecom Instruments CP 440 Instruction Manual page 12

Use the Pressure Standard to output 87.50 psi (37.5%). After the output
has stabilized, press the ENTER key to continue. As the unit takes rea-
dings, the screen will show -------. When the readings are complete the
screen should look as shown below.
Use the Pressure Standard to output 25.00 psi (25%). After the output
has stabilized, press the ENTER key to continue. As the unit takes rea-
dings, the screen will show -------. When the readings are complete the
screen should look as shown below.
Use the Pressure Standard to output 62.50 psi (2.5%). After the output
has stabilized, press the ENTER key to continue. As the unit takes rea-
dings, the screen will show -------. When the readings are complete the
screen should look as shown below.
Use the Pressure Standard to output 0.00 psi. After the output has
stabilized, press the ENTER key to continue. As the unit takes readings,
the screen will show -------. When the readings are complete the screen
should look as shown below.
187.50
CAL MODE
125.00
CAL MODE
62.50
CAL MODE
CAL MODE
0.00
PSI
PSI
PSI
PSI
25