EXTECH
INSTRUMENTS
2
FM100
‐
en
‐
GB_v1.7
6/16
Introduction
Thank
you
for
selecting
the
Extech
Instruments
Model
FM100.
The
FM100
measures
Formaldehyde
CH
2
O
(HCHO)
concentration,
Air
Temperature,
and
Relative
Humidity.
The
alarm
feature
alerts
the
user
when
the
Formaldehyde
0.08ppm
limit
is
exceeded.
The
FM100
can
be
wall
mounted
or
used
as
a
table
top
device.
This
device
is
shipped
fully
tested
and
calibrated
and,
with
proper
use,
will
provide
years
of
reliable
service.
Please
visit
our
website
(www.extech.com)
for
the
latest
version
of
this
User
Guide,
Product
Updates,
and
Customer
Care.
Features
Alternately
displays
Formaldehyde
concentration,
Air
Temperature,
and
Relative
Humidity
at
6
‐
second
intervals
Bright
multicolor
LED
displays
green
for
safe
HCHO
levels,
yellow
for
caution,
and
red
for
danger
Alarm
display
icon
and
audible
beeper
alerts
user
when
Formaldehyde
concentration
limit
of
0.08ppm
is
exceeded
Selectable
Formaldehyde
unit
of
measure
ppm
or
mg/m
3
ZERO
calibration
function
Manual
temperature
and
Relative
Humidity
compensation
Designed
with
electrochemical
CH
2
O
(HCHO)
sensor
Low
battery
indicator
Meter
Description
1.
Offset
adjustment
potentiometer
2.
Control
Button
3.
AC
Power
Adaptor
Port
4.
LCD
Display
5.
Multi
‐
color
LED
Indicator
Note:
Battery
compartment,
tilt
stand,
and
wall
mount
located
on
rear
of
meter.
1
2
3
4
5
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GlobalTestSupply
.com
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