General Tools CAF4221 User Manual
TABLE OF CONTENTS
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3-3 Hold ( Unit )Button........................................
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1. FEATURES................................................................ 1
2. SPECIFICATIONS......................................................
2-1 General Specifications..........................................1
2-2 Electrical Specifications........................................2
3. FRONT PANEL DESCRIPTION.....................................3
3-1 Cup Vane............................................................3
3-2 Power ( Logger ) Button..................................▲ 3
3-4 REC ( ) Button...............................................▼ 3
3-5 LCD Display........................................................
3-6 Battery Compartment/Cover................................
3-7 Temperature Sensor...................................... 3
4. INSTALL THE VANE CUP............................................4
5. MEASURING PROCEDURE..........................................5
5-1 Wind speed and Temp. measurement...................5
5-2 Wind speed unit change......................................
5-3 Temp. unit ( , ) change.................................℃℉ 5
5-4 Data Hold........................................................... 6
5-5 Data Record ( Max., Min. reading ).......................6
6. DATA LOGGER..........................................................7
6-1 Save data........................................................... 7
6-2 Call data.............................................................8
6-3 Delete data ( Empty the memory ).......................
1
3
3
3
5
9
7. BATTERY REPLACEMENT........................................... 10
1. FEATURES
* Cup vane anemometer, available for wind speed
measurement, high reliability.
* Measurement range : 0.9 to 35.0 m/s
* Wind speed unit : m/s, km/h, ft/min, knot, mile/h.
* , temperature measurement.℃℉
* LCD display, IP 65 water resistance.
* Microprocessor circuit ensures high accuracy and
provides special functions and features.
* Records Maximum and Minimum readings with recall.
* Data hold and 100 point data logger 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.
2. SPECIFICATIONS
2-1 General Specifications
Display LCD size : 1.1" x 0.8" (28 mm x 19 mm).
Wind speed m/S (meters per second)
Unit Km/h ( kilometers per hour )
Knot ( nautical miles per hour )
ft/min ( feet per minute )
mile/h ( miles per hour )
Temp. unit , ℃℉
Circuit Custom one-chip of microprocessor LSI
circuit.
1
Temp. Sensor Thermister
Data Logger Max. can save 100 point data with recall.
Manual, push the data logger button
once will save data one time.
Sensor Cup van probe with low friction ball
Structure bearing design.
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 by push button.
Operating 32 to 122 F 0 to 50 .℃
Temp. and Less than 80% R.H.
Humidity
Power Supply DC 1.5 V battery ( UM4/AAA ) x 4 PCs,
Power Current Approx. DC 6.8 mA
Weight 181 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 Carrying case............................. 1 PC
2-2 Electrical Specifications (23± 5 )℃
a. Wind speed
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)
Knot 1.4 - 68.0 Knots 0.1 Knots ± ( 2%+0.4 Knots)
Ft/min 144 - 6895 Ft/min 1 Ft/min ± ( 2%+40 Ft/min)
Mile/h 1.6 - 78.2 Mile/h 0.1 Mile/h ± ( 2%+0.4 Mile/h)
@ reading
2
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