General tools DAF4223 Bedienungsanleitung
VANE ANEMOMETER
HUMIDITY/TEMP.
Model : 'A)4223
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 Vane...................................................................5
3-2 Humidity/Temp. Sensor.......................................
.
5
3-3 Power ( ) Button.............................................▲5
3-4 Hold ( ) Button, Unit Button.........................
5
3-5 REC ( ) Button, Mode Button............................▼5
3-6 LCD Display........................................................
.
5
3-7 Battery Compartment/Cover.................................5
4. MEASURING PROCEDURE.......................................... 6
4-1 Mode ( Function ) selection.................................. 6
4-2 Unit selection...................................................... 7
4-3 Anemometer measurement.................................. 8
4-4 Humidity measurement........................................ 9
4-5 Dew point measurement...................................... 9
4-6 Data Hold...........................................................
.
9
4-7 Data Record ( Max., Min. reading )....................... 10
4-8 Auto power off management................................11
5. BATTERY REPLACEMENT...........................................
.
11
6. OPTIONAL CARRYING CASE.......................................11
1. FEATURES
* Anemometer, Humidity, Temperature meter, 4 in one,
professional.
* Anemometer unit : m/S, Km/h, FPM, mph, Knot.
* Humidity with Dew point measurement
* Temperature measurement with , unit.℃℉
* Vane anemometer, available for wind speed
measurement, high reliability.
* Fast response time for humidity measurement.
* Two display can select the three mode ( function ) :
Humidity/Temp., Humidity/Dew point,
Anemometer/Temp..
* 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 : 1.1" X 0.8" (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 , ℃℉
Humidity unit %RH
Dew point , ℃℉
Circuit Custom one-chip of microprocessor LSI
circuit.
Sensor Anemometer Van probe with low friction
Structure ball bearing design.
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 32 to 122 F 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.
@ Battery is included.
Dimension 205 x 48 x 40 mm (8.1" x 1.9" x 1.6")
Accessories Instruction manual......................1 PC
Included
Optional Soft carrying case with sash
Accessory ( 210 x 80 x 50 mm ),
2-2 Electrical Specifications (23±5 )℃
Anemometer ( Air velocity )
Measurement Range Resolution Accuracy
m/S 0.4 to 30.0 m/s 0.1 m/S 20 m/s : ≦
Km/h 1.4 to 108.0 km/h 0.1 Km/h ± 3% F.S.
FPM 80 to 5910 ft/min 1 Ft/min > 20 m/s :
mph 0.9 to 67.0 mile/h 0.1 Mile/h ± 4% F.S.
Knot 0.8 to 58.3 knots 0.1 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
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..
* Above specification tests under the environment RF Field Strength less than 3
V/M & frequency less than 30 MHz only.
4
3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Vane
3-2 Humidity/Temp. Sensor
3-3 Power ( ) Button▲
3-4 Hold ( ) Button, Unit Button
3-5 REC ( ) Button, Mode Button▼
3-6 LCD Display
3-7 Battery Compartment/Cover
5
4. MEASURING PROCEDURE
4-1 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 three kind mode ( function ) as :
a.Humidity/Temp.
b.Humidity/Dew point
c.Anemometer/Temp.
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
a, b, c, then press " Button " ( 3-4,
Fig. 1 ) to entry the selecting mode.
6
%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 ).
4-2 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
unit, then press " Button " ( 3-4, Fig. 1 )
to entry the selecting unit.
7
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 , ℃℉
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.
4-3 Anemometer measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
2)For the above 4-1 mode ( function ) selection, please
set to :
c.Anemometer/Temp.
( Upper display show air velocity value, lower
display show Temp. value )
8
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