Dwyer Instruments 1207A Quick Start Guide

DWYER 1207A

QUICK REFERENCE GUIDE

ANALYZER FEATURES AND KEYPAD

ON / OFF

Turns the analyzer ON / OFF

PRINT / BACKLIGHT

Press to print “live” or “frozen”
data. Press again to abort.
Press for 2+ seconds to switch
backlight & torch ON / OFF

PUMP / CAL PRESSURE

Turns the pump ON / OFF
Press for 2+ seconds to zero
the pressure sensor

LINE SELECT / FREEZE

Press to select active line on
display as indicated by LED’s
Press for 2 seconds to “HOLD”
Press longer to “LOG”

BEFORE USING ANY ANALYZER CHECK THAT:

- Calibration date has not expired

- Particle filter is not dirty inside

- Water trap and flue probe hose are empty of water

- Water trap is fitted correctly to the analyzer including the drain plug

- Flue probe hose is connected properly to the flue gas inlet

- Flue probe temperature plug is connected into T1 connection

Please read the Safety Warnings in the User Manual

USING THE ANALYZER

With the flue probe in fresh air at the same temperature as the boiler inlet air
press . The analyzer will auto-calibrate for 20 to 30 seconds and then a
set of readings will be displayed. In fresh air the O

20.9% +

0.1% and the CO reading should be zero. Check the battery status
by selecting “Bat” on the rotary switch and select the correct fuel via the
“menu” – See Using the Menu.

Insert the tip of the probe into the center of the flue. After approximately 60
seconds the readings should stabilize. A printout can be produced if required

reading should be

2

by pressing

.

SETTING UP THE DISPLAY

Any four parameters can be displayed simultaneously. Press
the line select LED to the line you wish to change, then use the rotary switch
to select the new parameter you require. To change other lines just repeat
the procedure.

to move