CUP ANEMOMETER BAROMETER HUMIDITY/TEMP. Model : CAF4224 Your purchase of this METER marks a step forward for you into the field of precision measurement. Although this METE R is a complex and delicate instrument, its durable structure will allow many years of use if proper operating techniques are developed. Please read the followin g instructions carefully and always keep this manual within easy reach.
TABLE OF CONTENTS 1. FEATURES.................................................................1 2. SPECIFICATIONS....................................................... 2 2-1 General Specifications...........................................2 2-2 Electrical Specifications.........................................3 3. FRONT PANEL DESCRIPTION......................................5 3-1 Cup Vane.............................................................5 3-2 Humidity/Temp. Sensor................................
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.
2. SPECIFICATIONS 2-1 General Specifications Display Anemometer Unit Temp. unit Barometer unit Humidity unit Dew point Circuit Sensor Structure Data Hold Memory Recall Sampling Time Power off Operating Temperature Operating Humidity LCD size : 28 mm x 19 mm. m/S (meters per second) Km/h ( kilometers per hour ) FPM ( feet per minute ) mph ( miles per hour ) Knot ( nautical miles per hour ) ℃, ℉ :hPa, mmHg, inHg. %RH ℃, ℉ Custom one-chip of microprocessor LSI circuit.
Power Supply Power Current Weight Dimension DC 1.5 V battery ( UM4/AAA ) x 4 PCs, Approx. DC 5.2 mA 182 g/ 0.4 LB. @ Battery is included. Main instrument : 190 x 40 x 32 mm (7.5" x 1.6" x 1.3") Cup vane ( 3 cups with arm ) : 135 mm dia. Instruction manual......................1 PC Hard carrying case...................... 1 PC Accessories Included 2-2 Electrical Specifications (23± 5 ℃) Anemometer ( Air velocity ) Measurement Range m/S Km/h FPM mph Knot Resolution Accuracy 0.9 - 35.0 m/S 2.5 - 126.
Humidity / Dew point a. Humidity Range Resolution Accuracy 10 % to 95 % R.H. 0.1 % R.H. ≧70% RH ± (3% reading + 1% RH). < 70% RH - 3% RH. ± 3% RH. b. Dew point ℃ ℉ Range Resolution Range Resolution -25.3 ℃ to 48.9 ℃ 0.01 ℃ -13.5 ℉ to 120.1 ℉. 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 ` hPa mmHg inHg.
3. FRONT PANEL DESCRIPTION Fig. 1 3-1 3-2 3-3 3-4 3-5 3-6 3-7 Cup Vane Humidity/Temp.
4. INSTALL THE VANE CUP Rotate the top screw in counter clockwise direction until the screw is secured.
5. MEASURING PROCEDURE 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.
%RH 60.9 Value Flashing Value Flashing 25.9 ℃ * 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.
Unit Flashing %RH 60.9 25.9 ℃ Unit Flashing The measuring unit for different mode ( function ) are : Anemometer unit Temp. unit Barometer unit Humidity unit Dew point m/S, Km/h, FPM, mph, Knot ℃, ℉ hPa, mmHg, inHg. %RH ℃, ℉ * 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.
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.
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.
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.
