General Tools CAF4224 User Manual
CUP ANEMOMETER
Your purchase of this
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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........................................
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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
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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.
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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 ℃℉
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