RPM40-en-GB_V1.2 10/14
2
Introduction
Thank
you
for
selecting
the
Extech
Combination
Photo/Contact
Tachometer,
Model
RPM40.
This
combination
tachometer
is
a
patented
design
providing
contact
and
non
‐
contact
RPM
measurements.
In
addition,
linear
surface
speeds
can
be
measured
in
ft/min
or
m/min.
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)
to
check
for
the
latest
version
of
this
User
Guide,
Product
Updates,
and
Customer
Support.
Features
Compact
tachometer
Combination
photo
and
contact
tachometer
Laser
pointer
for
Photo
Tachometer
targeting
Non
‐
contact
Photo
Tachometer
detects
target
to
a
distance
of
1.5m
(4.9
ft.)
Wide
measuring
range
0.5
to
19,999
RPM
(Contact)
and
99,999
RPM
(Photo)
0.1%
basic
accuracy
Memory/Recall
of
highest,
lowest,
and
last
readings
Durable,
light
‐
weight
ABS
plastic
housing
Safety
1.
Use
extreme
caution
when
the
laser
beam
is
on
2.
Do
not
point
the
beam
toward
anyone's
eye
3.
Be
careful
not
to
let
the
beam
strike
the
eye
from
a
reflective
surface
4.
Do
not
use
the
laser
near
explosive
gases
or
in
other
potentially
explosive
areas
www.
GlobalTestSupply
.com
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