ATP Electronics AVM-81AM Manual de usuario
ANEMOMETER
TABLE OF CONTENTS
1. FEATURES................................................................ 1
2. SPECIFICATIONS...................................................... 1
3. FRONT PANEL DESCRIPTION..................................... 3
3-1 Power Button...................................................... 3
3-2 Hold Button........................................................ 3
3-3 Max. / Min. Button............................................. 3
3-4 Unit Button......................................................... 3
3-5 Air Flow Sensor.................................................. 3
3-6 LCD display......................................................... 3
3-7 Battery Compartment / Cover............................... 3
3-8 Wristlet............................................................... 3
4. MEASURING PROCEDURES........................................ 4
5. OTHER FUNCTIONS.................................................. 4
6. BATTERY REPLACEMENT........................................... 5
1. FEATURES
* 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 vane wheel design
provides high accuracy at high and low air velocity.
* Build in microprocessor circuit assures excellent
performance and accuracy.
* Concise and compact buttons arrangement, easy operation.
* Memorize the maximum and minimum value with recall.
* Air velocity measuring units selectable by pressing button on
the front panel for five kinds of units.
* Hold function to freeze the current reading value.
2. SPECIFICATIONS
2-1 General Specifications
Display 8 mm LCD display
Measurement Air velocity.
Operating Max. 80% RH.
Humidity
Operating 0 to 50° C (32 to 122° F)
Temperature
Over Input Indication of "- - - - "
Display
Power Supply 006P DC 9V battery (Heavy duty type)
1
Power Approx. DC 17 mA
Consumption
Weight 160g (battery included)
Dimension HWD 156x60x33 mm (6.14x2.36x1.29 inch).
Standard Instruction Manual
Accessory
Optional Carrying case.
Accessories
2-2 Electrical Specification ( 23 ± 5 )
℃
Unit Range Resolution Accureacy
ft/min 80 to 5910 ft/min 1 ft/min 20 m/s :≦
m/s 0.4 to 30.0 m/s 0.1 m/s ± 3% F.S.
km/h 1.4 to 108.0 km/h 0.1 km/h > 20 m/s :
MPH 0.9 to 67.0 mile/h 0.1 MPH ± 4% F.S.
knots 0.8 to 58.3 knots 0.1 knots
Remark :
ft/min : feet per minute
m/s : meters per second
km/h : kilometers per hour
MPH : miles per hour
knots : nautical miles per hour
2
3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Power Button
3-2 Hold Button
3-3 Max. / Min. Button
3-4 Unit Button
3-5 Air Flow Sensor
3-6 LCD display
3-7 Battery Compartment / Cover
3-8 Wristlet
3
4. MEASURING PROCEDURE
1) Power on the instrument by pressing the " Power Button "
( 3-1, Fig. 1 ).
2) Press the " Unit Button " ( 3-4, Fig. 1 ) to select
unit that you want and then face the " Air Flow Sensor "
( 3-5, Fig. 1 ) to the source of wind.
3) Allow time for reading to become stable and note the value
indicated. From a pratical point of view the velocity may
fluctuate.
5. OTHER FUNCTIONS
5-1 Hold Function
Pressing the "Hold Button" (3-1. fig. 1) will freeze the current
value with a "HOLD" symbol on the display. Press again to
release the hold function.
5-2 Data Record Function
1) The Data Record function records & displays the maximum
and minimum reading values. Start the Data Record
function by pressing the " Max./Min. Button " ( 3-3, Fig. 1 )
once. There will be a " REC " symbol on the display.
4
2) With the REC symbol on the display :
(a) Press the " Max./Min. Button " ( 3-3, Fig. 1 ) once and the
" Max " symbol along with the maximum value will appear on
the display.
(b) Press the " Max./Min. Button " again, the " Min " symbol
along with the minimum value will appear on the display.
(c) To exit the memory record function, press the " Max./Min.
Button " continuously for at least 2 seconds. The display will
revert to the current reading.
(d) Clear the Max./Min. value recorded by pressing the
" Hold Button " ( 3-2, Fig. 1 ) once. Previous recorded
Max./Min. value will be given up and then revert to the
REC. function keep on recording.
5-3 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.
6. BATTERY REPLACEMENT
1)
When the LCD display shows " " symbol, it's
necessary to replace a new 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 a 9V battery (Alkaline or Heavy duty type) and then
reinstate the cover.
50306-LM-81AM
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