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4-8 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 ).

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 ) batteries.

 * To change the batteries, open ( rotate clockwise direction )

 the " Battery Cover " ( 3-7, Fig. 1 ).

 * Make sure the " Battery cover " (3-7, Fig 1) is secured

after changing the batteries.

6. OPTIONAL CARRYING CASE

Soft carrying case with sash.

Size : 210 x 80 x 50 mm .

11

0309-DAF4223

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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