RKI Instruments EAGLE 2 Manual - Manual (Page 153)

EAGLE 2 Operator’s Manual PID Calibration • 143
PID Calibration
A PID channel can be calibrated using the auto calibration method or the
single calibration method. To calibrate a PID channel using the single
calibration method, see “Calibrating Using the Single Calibration Method”
on page 64 and follow the instructions for calibrating a single channel.
NOTE: The factory setting for the Span Factor menu item in Setup Mode is
OFF for an EAGLE 2 with a PID channel. So the range of
adjustment is not displayed when a single calibration is performed
for any channel if a PID sensor is installed.
If your instrument is a multi-channel instrument that includes a high range
PID channel, RKI Instruments, Inc. recommends using the auto calibration
method for convenience. The calibration instructions below show a 5 channel
instrument which has the four standard channels, LEL/oxygen/H
2
S/CO, and
a high range PID channel calibrated to and setup for isobutylene (IBL). There
are two ways to calibrate an EAGLE 2 with a PID channel installed. The first
way, described below in “Calibrating with a 4-Gas Cylinder and a PID
Cylinder” on page 143, uses a 4-gas cylinder and an appropriate PID
cylinder. The second way, described below in “Calibrating with a 5-Gas
Cylinder” on page 152, uses a multi-gas cylinder that contains the target gas
for all installed sensors. Follow the set of instructions appropriate for your
cylinder configuration.
Calibrating with a 4-Gas Cylinder and a PID Cylinder
1. See “Calibration Supplies and Equipment” on page 56 for a description
of the necessary calibration supplies. In addition to an appropriate multi-
gas cylinder that is used to calibrate any active standard channels, you
will also need a cylinder to calibrate the PID channel. See Table 17 on
page 178 for available cylinders. Make sure your calibration cylinder is
appropriate for the PID detection range.
2. Find a fresh-air environment. This is an environment free of toxic or
combustible gases and of normal oxygen content (20.9%).
3. While in Measuring Mode, press and hold the RANGE ▼ SHIFT button,
then press the DISPLAY ADJUST NO button and release both buttons.
4. If the unit prompts you for the password, enter it by using the AIR ▲
YES and RANGE ▼ SHIFT buttons to select each password number and
then pressing and releasing POWER ENTER RESET to enter the number
and move on to the next one.