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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

Содержание DAF4223

Страница 1: ...VANE ANEMOMETER HUMIDITY TEMP Model A 4223...

Страница 2: ...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 measu...

Страница 3: ...t 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 fea...

Страница 4: ...cuit Custom one chip of microprocessor LSI circuit Sensor Anemometer Van probe with low friction Structure ball bearing design Humidity Capacitance humidity sensor semiconductor Temperature Semiconduc...

Страница 5: ...ctrical 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...

Страница 6: ...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 Humi...

Страница 7: ...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...

Страница 8: ...e 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...

Страница 9: ...he 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 s...

Страница 10: ...e 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...

Страница 11: ...int 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 b Humidity Dew point Upper display show humidity value...

Страница 12: ...ith 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 MA...

Страница 13: ...d function during measurement by pressing the REC Button 3 5 Fig 1 5 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...

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