EAGLE 2 Operator’s Manual ESM-01 Calibration • 183
described below in “Calibrating with a 5-Gas Cylinder” on page 192, uses a
multi-gas cylinder that contains the target gas for all installed sensors. Follow
the set of instructions appropriate for your cylinder configuration.
NOTE: If your instrument has more than one ESM-01 sensor, you will need
a calibration cylinder for each sensor and follow the instructions in
“Calibrating with a 4-Gas Cylinder and an ESM-01 Cylinder” on
page 183.
Calibrating with a 4-Gas Cylinder and an
ESM-01 Cylinder
The calibration instructions below show a 5 channel instrument which has the
four standard channels, LEL/oxygen/H
2
S/CO, and an ESM-01 channel for
ammonia (NH
3
).
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 ESM-01 channel. See Table 19
on page 203 for available cylinders. Make sure your calibration cylinder
is appropriate for the ESM-01 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.
5. The Calibration Mode Screen displays with the cursor next to AUTO
CALIBRATION.
CALIBRATION MODE
> AUTO CALIBRATION
SINGLE CALIBRATION
PERFORM AIR ADJUST
NORMAL OPERATION
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