Lutron Electronics SP-82AM User manual

2 in 1
Air velocity/Temp., Air flow
A
NEMOMETER
Model : SP-82AM ( Sper version )
Y
our purchase of this
ANEMOMETER marks a
ste
p
forward for
y
ou
into the field o
f
precision measurement.
A
lthough this METER is
a complex and delicate
instrument, its durable
structure will allow
many years of use i
f
proper operating
techniques are
developed. Please read
the following
instructions carefully
and always keep this
manual within easy
reach.

TABLE OF CONTENTS
1. FEATURES.................................................................
.
1
2. SPECIFICATIONS........................................................1
3. FRONT PANEL DESCRIPTION......................................
.
3
3-1 Hold button.......................................................... 3
3-2 button ( Power button )...................................
3
3-3 REC button........................................................... 3
3-4 LCD display...........................................................3
3-5 Wristlet................................................................
.
3
3-6 Anemometer Vane................................................
.
3
3-7 Battery Compartment / Cover................................
.
3
3-8 Buttons operation label..........................................3
4. MEASURING PROCEDURES.........................................
.
4
4-1 Power on/off.........................................................4
4-2 LCD backlight on/off..............................................4
4-3 Function selection................................................. 4
4-4 Unit selection........................................................5
4-5 Air flow measurement...........................................
.
5
4-6 Hold Function...................................................... 6
4-7 REC ( Record ) function ....................................... 6
4-8 Auto power off disable........................................ 7
5. BATTERY REPLACEMENT............................................
.
7

1. FEATURES
* 2 in 1 professional environment instruments:
1. Air velocty, 2. Air flow ( CMM, CFM ).
* Tiny bone shape with lightweight and small size case
design are suitable for handling with one hand.
* Wristlet design provides extra protection to the
instrument especially for user one hand operation.
* Low-friction ball bearing mounted wheel design
provides high accuracy at high and low air velocity.
* Built- in microprocessor circuit assures excellent
performance and accuracy.
* Concise and compact buttons arrangement,
easy operation.
* Memorize the maximum and minimum value with recall.
* Hold function to freeze the current reading value.
2. SPECIFICATIONS
2-1 General Specifications
Display 8 mm LCD display
Measurement 1. Air velocty
2. Air flow ( CMM, CFM ).
Operating Max. 80% RH.
Humidity
Operating 0 to 50 (32 to 122 )℃℉
Temperature
Over Input Indication of "- - - - "
Display
Power Supply CR 2032 DC 3V battery
Power Approx. DC 5 mA
Consumption
1

Weight 160g (battery included)
Dimension HWD 120 x 45 x 20 mm (4.7 x 1.8 x 1.2 inch).
Standard Instruction Manual
Accessory
2-2 Electrical Specification ( 23 ±5 )℃
Air velocity
Unit Range Resolution Accuracy
ft/min 80 to 3937 ft/min 1 ft/min
m/s 0.4 to 20.0 m/s 0.1 m/s 20 m/s : ± 3% F.S.≦
km/h 1.4 to 72.0 km/h 0.1 km/h > 20 m/s : ± 4% F.S.
MPH 0.9 to 44.7 mile/h 0.1 MPH
knots 0.8 to 38.8 knots 0.1 knots
Remark :
ft/min : feet per minute MPH : miles per hour
m/s : meters per second knots : nautical miles per hour
km/h : kilometers per hour
Ar flow
Uni
t
Ran
ge
Resolutio
n
CMM 0.024 to 36000 0.001/0.01/0.1/1
CFM 0.847 to 1271300 0.001/0.01/0.1/1/10 (x10)/100 (x100)
2

3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Hold button
3-2 Button ( Power button )
3-3 REC nutton
3-4 LCD display
3-5 Wristlet
3-6 Anemometer Vane
3-7 Battery Compartment / Cover
3-8 Buttons operation label
3

4. MEASURING PROCEDURE
4-1 Power on/off
Button = Power Button
1) Power on :
Press " Power Button " once.
2) Power off :
During power on, press " Power Button " > 3 seconds.
will power off.
4-2 LCD backlight on/off
During power on, press " Power Button " once, then the
LCD backlight will be on 5 seconds then off automatically,
4-3 Function selection
The meter can select 2 kind function as :
a.Anemometer
b.Air flow ( CMM, CFM )
During power on, press the " Hold button "
continuously ( not release the button ), the Display will
show the following text in sequence :
Display Function
text
An Anemometer ( Air velocity )
AirFL Air flow ( CMM, CFM )
Until the Display show the desired function, just
release the " Hold button " , the meter will execute this
function with default. 4

4-4 Unit selection
During power on, press the " REC button "
continuously > 3 seconds, the Display will show the text
" Unit " release the " REC button ", then press " button "
to select the desired unit, after the desired unit
is sleeted, press the " REC button " to save the unit
with default.
REC button = Enter button
The selection unit for all function are :
Measurement Unit
Air velocity M/S, Km/h, mph, knot, FPM
Air flow CMM, CFM
side, it is normal.
4-5 Air flow measurement
1)Power on, select the function to " Air flow measurement "
( refer to chapter 4-3 ), now the meter is ready for Air
flow measurement.
2)Set the measurement area dimension :
Press the " Hold button " once, the Display will show the
indicator " HOLD " then press the " REC button " continuously
until the left down bottom of Display show " m-2 "
or " F-2 "
m-2 = meter square
F-2 = ft square
5

3)
Use the " Hold button " and the " button "
to
adjust the air flow dimension value.
Until the desired dimension value is set, press
" REC button " to save the setting value with default.
button = button▲
Hold button = button▼
REC button = Enter button
4-6 Hold Function
Whenever press the " Hold Button " will freeze the current
reading value with a "HOLD" symbol on the display.
To release the Hold function, just press the " Hold button "
once again, the " HOLD " indicator will be disappeared.
4-7 REC ( Record ) function
1)The REC ( Record ) function can record and display
the maximum and minimum reading values. Start the
Record function by pressing the " REC Button " once.
There will be a " REC " symbol on the display.
2)With the REC symbol on the display :
(a) Press the " REC button " once and the " Max "
symbol along with the maximum value will appear on
the display.
(b) Press the " REC button " again, the " MIN " symbol
along with the minimum value will appear on the display.
(c) To exit the memory record function, press the " REC
button " continuously for at least 2 seconds. The display
will revert to the current reading.
(d) Clear the recorded MAX or MIN value by pressing the
" Hold button " once. Previous recorded
MAX/MIN value will be given up and then revert to the
REC. function keep on recording.
6

4-8 Auto power off disable
In order to prolong the battery life, the instrument has
"Auto Power Off " function. The meter will switch off
automatically if no buttons are pressed for around 10
minutes.
However if intend disable the " Auto power off " function,
just execute the " REC " function ( above chapter 4-7 ),
then the Auto power off function will be canceled.
5. BATTERY REPLACEMENT
1)When the LCD display shows " " symbol, it is
necessary to replace the battery. However
measurement may still be made for several hours after
the low battery indicator appears.
2)Open the " Battery Compartment / Cover " ( 3-7, Fig. 1 )
and remove the battery.
3)Install the battery ( CR2032 ) and then reinstate the
cover.
71112-SP82AM