Smiths detection LCD 3.3 User manual

IDENTIFY ALL COMPONENTS & FEATURES
OF THE SMITHS® DETECTION LCD 3.3
DISCUSS OPERATIONAL CAPABILITIES &
LIMITATIONS
DEMONSTRATE USES & APPLICATIONS
DISCUSS CARE & MAINTENANCE

The Smiths® LCD 3.3 Lightweight
Chemical Detector is a chemical agent
detector designed to provide first
responders with an effective means of
detecting a range of Chemical Warfare
Agents (CWA) and Toxic Industrial
Chemicals (TICs).

This will replace the Smiths®APD 2000 that
is now assigned to all Quints, USAR &
Hazardous Materials units.

1.Press down lightly on the Raincap
2.Rotate counter-clockwise until the ON position is
reached. The Raincap will rise, exposing the inlet.
3.Status Light flashes every second
4.Self Test will normally finish within one minute
ON
OFF

Screen at start up.
(Warm up approximately one
minute)
Normal operation
Indicates equipment
malfunction/fault.
(Low battery. Change sieve pack.)

The Status Screen shows Chemicals listed below and
their relative concentrations.
FRO level personnel will use the LCD 3.3 to detect the
presence of CWA’s and TIC’s. If CWA or TIC presence
is detected and the LCD 3.3 goes into alarm, FRO
personnel should back out and establish exclusion
zones appropriately. Do not attempt to interpret the
readings on the screen.
Alarm =
Back out!

GA - Tabun
GB - Sarin
GD - Soman
GF- Cyclosarin
L - Lewisite
HD –Mustard (Distilled)
HN –Mustard (Nitrogen)
Chemical Warfare Agents Toxic Industrial Chemicals (TICs)
Chlorine
Hydrogen Sulfide
Hydrogen Cyanide
Sulfur Dioxide
Nitric Acid
Phosgene
Hydrogen Fluoride
Chemicals and agents
detected by the LCD 3.3

Normal operation amber
light flashes about once
a second.
When Chemical warfare
agents are present both
amber and red lights
flash constantly. An
audible alarm will sound
with the flashing lights.

•Perform confidence
test at initial start up
•Find confidence test in
main menu.
•The main menu is
accessed by pressing
the M button
•Press the E button to
start the test

•When indicated apply
the confidence tester.
Test G then H modes
•Once the test is
complete, the detector
will clear down. Make
sure to allow the unit
to go back to sampling
mode before shutting
off.
Hold confidence tester
close to, but not touching
the inlet. If the unit does not
alarm press button lightly.
Do not over saturate.

3. Fully withdraw the battery
cassette
1.Turn Off Unit by turning
Raincap counter-clockwise.
2. Twist the battery cassette
locking cover counter-
clockwise 90°

4. Fit the 4 x AA batteries
in correct orientation
(refer to the label inside
the cassette)

Note: Store batteries outside
of unit when not in use.
5. Replace battery cassette 6. Twist battery cassette
locking cover clockwise 90°
to secure cassette

Survey Mode
The survey nozzle can be
attached to the detector when
there is a need to investigate
a particular area or location.
This mode should also be
used for the decontamination
process.
In Survey Mode the sample is
collected at one second
intervals verses the five
second interval in Standard
Mode.

1. Rotate Raincap to ON position. Press down
Raincap and rotate counter-clockwise to
detent, lift Raincap vertically clear of inlet
2.Remove survey nozzle from storage.
Place Raincap into empty container.

3.Position survey
nozzle on inlet
structure and secure
in position

•Make sure Inlet Raincap, Sieve Pack Locking
cover and Battery Cassette are closed
•Clean all surfaces of equipment with the
decontaminant solution.
•Leave the equipment for 15 minutes
•Rinse equipment with clean water, dry with
clean cloth
•Allow to weather for 40 minutes
•Carry out confidence test