Cal Gas Value - Ametek Dycor CG1000-RTP User Manual

Cal Gas Value

Define the zero calibration gas value to match the calibration gas cylinder you use to calibrate
your system.
The terms Span Gas and
Zero Gas used in this sec-
tion refer to the calibration
gas values you enter using
the Cal Gas Values menu
option. These values are
fixed.
The term span value on the
display is the value the sys-
tem read during the calibrate/
verify operation, and the
term span gas is the set point
value entered using the Cal
Gas Values option from the
Calibrate Key menu.
• Span Gas - high calibration gas
• Zero Gas - low calibration gas
The Span Gas value you enter must be higher than the Zero Gas

value by at least one decade (for example, 1% and 10% O
NOTE
Entering Cal Gas Values
1. From the Calibrate Key menu, select Cal Gas Value.
2. Choose whether you want to enter the span gas value using a percent
or PPM scale.
3. Enter the span gas value, then press ENTER. If you want to keep the
current zero gas value unchanged, press ENTER without entering a
value.
4. Choose whether you want to enter the zero gas value using a percent
or PPM scale.
If you specified a ppm gas as the span gas in Step 2, the zero gas must

also be a ppm gas. In this case, you will not have the Step 4 option.
NOTE
You are prompted to enter the zero gas value:
5. Enter the zero gas value, press ENTER. If you want to keep the cur-
rent zero gas value unchanged, press ENTER without entering a
value.
Span Gas = xx
New Value?
Zero Gas = xx
New Value?
).
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Calibration 5-9