CUP ANEMOMETER
Your purchase of this
g
R
g
g
BAROMETER
HUMIDITY/TEMP.
Model : CAF4224
METER marks a step
forward for you into
the field of precision
measurement.
Althou
is a complex and
delicate instrument,
its durable structure
will allow many years
of use if proper
operatin
are developed. Please
read the followin
instructions carefully
and always keep this
manual within easy
reach.
h this METE
techniques
OPERATION MANUAL
TABLE OF CONTENTS
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3-4 Hold ( ) Button, Unit Button.........................
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1. FEATURES.................................................................1
2. SPECIFICATIONS....................................................... 2
2-1 General Specifications..........................................
2-2 Electrical Specifications........................................
2
3
3. FRONT PANEL DESCRIPTION.....................................
3-1 Cup Vane............................................................
3-2 Humidity/Temp. Sensor........................................5
3-3 Power ( ) Button.............................................
3-5 REC ( ) Button, Mode Button............................▼ 5
3-6 LCD Display......................................................... 5
3-7 Battery Compartment/Cover................................. 5
4. INSTALL THE VANE CUP............................................
5. MEASURING PROCEDURE..........................................
5-1 Mode ( Function ) selection..................................
5-2 Unit selection.......................................................8
5-3 Anemometer measurement..................................
5-4 Barometer measurement...................................... 10
5-5 Humidity measurement........................................ 10
5-6 Dew point measurement......................................
5-7 Data Hold............................................................11
5-8 Data Record ( Max., Min. reading ).......................
5-9 Auto power off management................................
▲ 5
5
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6
7
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9
10
11
12
6. BATTERY REPLACEMENT...........................................
12
1. FEATURES
* Cup Anemometer, Barometer, Humidity, Temperature
meter, 4 in one, professional.
* Anemometer unit : m/S, Km/h, FPM, mph, Knot.
* Barometer unit : hPa, mmHg, inHg.
* Humidity with Dew point measurement
* Temperature measurement with , unit.℃℉
* Cup vane anemometer, available for wind speed
measurement, high reliability.
* Fast response time for humidity measurement.
* Atmosphere measurement with high accuracy.
* Two display can select the six mode ( function ) :
Humidity/Temp., Humidity/Dew point,
Anemometer/Temp., Barometer/Temp.
Barometer/Humidity, Barometer/Anemometer,
* Bright LCD display.
* Microprocessor circuit ensures high accuracy and
provides special functions and features.
* Records Maximum and Minimum readings with recall.
* Auto power off saves battery life.
* Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries.
* Low-friction ball vane wheels is accurate in both high
and low velocities.
* Durable, long-lasting components, enclosed in strong,
compact ABS-plastic housing.
1
2. SPECIFICATIONS
2-1 General Specifications
Display LCD size : 28 mm x 19 mm.
Anemometer m/S (meters per second)
Unit Km/h ( kilometers per hour )
FPM ( feet per minute )
mph ( miles per hour )
Knot ( nautical miles per hour )
Temp. unit , ℃℉
Barometer unit :hPa, mmHg, inHg.
Humidity unit %RH
Dew point , ℃℉
Circuit Custom one-chip of microprocessor LSI
circuit.
Sensor Anemometer Cup van probe with low
Structure friction ball bearing design.
Barometer Semiconductor
Humidity Capacitance humidity
sensor, semiconductor
Temperature Semiconductor
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Sampling Time Approx. 1 second.
Power off Auto shut off saves battery life or
manual off ( REC function ).
Operating 0 to 50 . ℃
Temperature
Operating Less than 80% R.H.
Humidity
2
Power Supply DC 1.5 V battery ( UM4/AAA ) x 4 PCs,
Power Current Approx. DC 5.2 mA
Weight 182 g/ 0.4 LB.
Dimension
Main instrument :
@ Battery is included.
190 x 40 x 32 mm (7.5" x 1.6" x 1.3")
Cup vane ( 3 cups with arm ) :
135 mm dia.
Accessories Instruction manual......................1 PC
Included Hard carrying case......................1 PC
2-2 Electrical Specifications (23± 5 )℃
Anemometer ( Air velocity )
Measurement Range Resolution Accuracy
m/S 0.9 - 35.0 m/S 0.1 m/S ± ( 2%+0.2 m/S)
Km/h 2.5 - 126.0 Km/h 0.1 Km/h ± ( 2%+0.8 Km/h)
FPM 144 - 6895 Ft/min 1 Ft/min ± ( 2%+40 Ft/min)
mph 1.6 - 78.2 Mile/h 0.1 Mile/h ± ( 2%+0.4 Mile/h)
Knot 1.4 - 68.0 Knots 0.1 Knots ± ( 2%+0.4 Knots)
Note :
m/S (meters per second) mph ( miles per hour )
Km/h ( kilometers per hour ) Knot ( nautical miles per hour )
FPM ( feet per minute )
Temperature
Measuring Range 0 to 50 /32 to 122 ℃℃℉ ℉
Resolution 0.1 /0.1 ℃℉
Accuracy ± 0.8 /1.5 ℃℉
3
Humidity / Dew point
*
3
V
a. Humidity
Range 10 % to 95 % R.H.
Resolution 0.1 % R.H.
Accuracy 70% RH ≧
± (3% reading + 1% RH).
< 70% RH - 3% RH.
± 3% RH.
b. Dew point
℃ Range -25.3 to 48.9 ℃℃
Resolution 0.01 ℃
℉ Range -13.5 to 120.1 .℉℉
Resolution 0.01 .℉
Remark :
* Dew Point display value is calculated from the
Humidity/Temp. measurement automatically.
* The Dew Point accuracy is sum accuracy value of
Humidity & Temperature measurement..
Barometer
Measurement Range Resolution Accuracy
` hPa 10.0 to 999.9 0.1 ± 1.5 hPa
1000 to 1100 1 ± 2 hPa
mmHg 7.5 to 825.0 0.1 ± 1.2 mmHg
inHg. 0.29 to 32.48 0.01 ± 0.05 inHg
Above specification tests under the environment RF Field Strength less than
/M & frequency less than 30 MHz only.
@ reading
4
3. FRONT PANEL DESCRIPTION
3-4 Hold ( ) Button, Unit Button
Fig. 1
3-1 Cup Vane
3-2 Humidity/Temp. Sensor
3-3 Power ( ) Button▲
3-5 REC ( ) Button, Mode Button▼
3-6 LCD Display
3-7 Battery Compartment/Cover
5
4. INSTALL THE VANE CUP
Rotate the top
screw in
counter
clockwise
direction until
the screw is
secured.
6
5. MEASURING PROCEDURE
a, b, c, d, e, f, then press " Button " ( 3-4,
5-1 Mode ( Function ) selection
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
*
Pressing the " Power Button " ( 3-3, Fig. 1 )
momentarily again will turn off the meter.
2)The meter can select 6 kind mode ( function ) as :
a.Humidity/Temp.
b.Humidity/Dew point
c. Anemometer/Temp.
d.Barometer/Temp.
e. Barometer/Humidity
f. Barometer/Anemometer
Pressing the " Mode Button " ( 3-5, Fig. 1 )
continuously at least 2 seconds, both upper and the
lower display value will be flashed, use the " ▲
Button " ( 3-3, Fig. 1 ) or " Button " ( 3-5, Fig. 1 )▼
to select the one kind mode ( function ) of above
Fig. 1 ) to entry the selecting mode.
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%RH
unit, then press " Button " ( 3-4, Fig. 1 )
60.9 Value Flashing
Value Flashing
*
After the mode ( function ) is selected, it will be
memorized into the memory circuit .
If power off and on again will present the
existing selection mode ( function ).
5-2 Unit selection
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
*
Pressing the " Power Button " ( 3-3, Fig. 1 )
momentarily again will turn off the meter.
2)Pressing the " Unit Button " ( 3-4, Fig. 1 )
continuously at least 2 seconds, both upper and the
lower unit will be flashed, use the " Button " ( 3-3,▲
Fig. 1 ) to select the upper display's unit, use the " ▼
Button " ( 3-5, Fig. 1 ) to select the lower display's
to entry the selecting unit.
25.9 ℃
8
Unit Flashing %RH
60.9
25.9 ℃ Unit Flashing
The measuring unit for different mode
( function ) are :
Anemometer unit m/S, Km/h, FPM, mph, Knot
Temp. unit , ℃℉
Barometer unit hPa, mmHg, inHg.
Humidity unit %RH
Dew point , ℃℉
*
After the unit is selected, it will be memorized into
the memory circuit. If power off and on again will
present the existing selection unit.
5-3 Anemometer measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 5-1 mode ( function ) selection, please
set to :
c. Anemometer/Temp.
( Upper display show air velocity value, lower
display show Temp. value )
f. Barometer/Anemometer
( Upper display show atmosphere value , lower
display show air velocity value )
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5-4 Barometer measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 5-1 mode ( function ) selection, please
set to :
d.Barometer/Temp.
( Upper display show atmosphere value , lower
display show Temp. value )
e. Barometer/Humidity
( Upper display show atmosphere value , lower
display show humidity value )
f. Barometer/Anemometer
( Upper display show atmosphere value , lower
display show air velocity value )
5-5 Humidity measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 5-1 mode ( function ) selection, please
set to :
a.Humidity/Temp.
( Upper display show humidity value , lower
display show Temp. value )
e. Barometer/Humidity
( Upper display show atmosphere value , lower
display show humidity value )
5-6 Dew point measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 5-1 mode ( function ) selection, please
set to :
10
b.Humidity/Dew point
( Upper display show humidity value , lower
display show dew point value )
5-7 Data Hold
* During the measurement, press the " Hold Button "
( 3-4, Fig. 1 ) momentarily to hold the measured
value. The LCD will show a " HOLD " symbol.
* Press the" Hold Button " once again to release the
data hold function.
5-8 Data Record ( Max., Min. reading )
1)The data record function records the maximum and
minimum readings. Press the " REC Button " ( 3-5, Fig.
1 ) momentarily to start the Data Record function,
shows " REC " on the display.
2)With the " REC " symbol on the display.
a)Press the " REC Button " ( 3-5, Fig. 1 ) momentarily,
the " REC MAX " symbol along with the maximum
value will appear on the display.
b)Press the " REC Button " ( 3-5, Fig. 1 ) momentarily
again, the " REC MIN " symbol along with the
minimum value will appear on the display.
* When display shows " REC MAX " or " REC MIN ",
press the " Hold Button " ( 3-4, Fig. 1 )
momentarily will delete the max. ( min. ) value,
the display will show the " REC. " only and
execute the memory function continuously.
c) To exit the memory record function, press the
" REC " button for 2 seconds at least. The display will
revert to the current reading, not show " REC "
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5-9 Auto power off management
1)The instrument has built-in "Auto Power Shut-off "
function in order to prolong battery life. The meter will
switch off automatically if none of the buttons are
pressed within 10 min.
2)To de-activate this feature, Select the memory record
function during measurement, by pressing the
" REC Button " ( 3-5, Fig. 1 ).
6. BATTERY REPLACEMENT
* Replace the batteries when the left corner of the LCD
displays the low battery icon " ", using 4 fresh
1.5 V ( UM4, AAA ) batteries.
T
o change the batteries, open ( rotate clockwise direction )
*
the " Battery Cover " ( 3-7, Fig. 1 ).
* Make sure the " Battery cover " (3-7, Fig 1) is secured
after changing the batteries.
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0409-CAF4224
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