LUTRON ABH-4225 Vane Anemometer Barometer Humidity Temp User Manual

June 10, 2024
Lutron

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LUTRON ABH-4225 Vane Anemometer Barometer Humidity Temp

FEATURES

  • 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.

  • 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., Humidity/ Dew point, Anemometer/ Temp., Barometer/ Temp. Barometer/ Humidity, Barometer/ Anemometer,

  • 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.

SPECIFICATIONS

General Specifications
Display LCD size : 28 mm x 19 mm.

Anemometer

Unit

| m/S (meters per second)

Km/h ( kilometers per hour ) FPM ( feet per minute )

mph ( miles per hour )

Knot ( nautical miles per hour )

Temp. unit| ℃, ℉
Barometer unit| hPa, mmHg, inHg.
Humidity unit| %RH
Dew point| ℃, ℉
Circuit| Custom one-chip of microprocessor LSI

circuit.

Sensor

Structure

| Anemometer| Van probe with low friction

ball bearing design.

Barometer| Semiconductor
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

Temperature

| 0 to 50 ℃.
Operating

Humidity

| Less than 80% R.H.
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

Included

| Instruction manual………………….1 PC
Optional

Accessory

| Soft carrying case with sash

( 210 x 80 x 50 mm ), Model : CA-52A

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 :

± 3% F.S.

20 m/s :

± 4% F.S.

Km/h| 1.4 to 108.0 km/h| 0.1 Km/h
FPM| 80 to 5910 ft/min| 1 Ft/min
mph| 0.9 to 67.0 mile/h| 0.1 Mile/h
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 ℉
Humidity / Dew point

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.

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..

Barometer

Measurement Range Resolution Accuracy __@ reading
hPa 10.0 to 999.9 0.1 ± 1.5 hPa
1000 to 1100 1 ± 2 hPa
mmHg 7.5 to 825.0 0.1 ± 1.2 mmHg
inHg. 0.29 to 32.48 0.01 ± 0.05 inHg

Above specification tests under the environment RF Field Strength less than 3 V/M & frequency less than 30 MHz only.

FRONT PANEL DESCRIPTION

LUTRON-ABH-4225-Vane-Anemometer-Barometer-Humidity-
Temp-1

  1. Vane
  2. Humidity/Temp. Sensor
  3. Power ( ▲ ) Button
  4. Hold ( ) Button, Unit Button
  5. REC ( ▼ ) Button, Mode Button
  6. LCD Display
  7. Battery Compartment/Cover

MEASURI NG PROCEDURE

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. 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, d, e, f, then press “ Button ” ( 3-4, Fig. 1 ) to entry the selecting mode.

LUTRON-ABH-4225-Vane-Anemometer-Barometer-Humidity-
Temp-5

After the mode ( function ) is selected, it will be memorized into the memory circuit . I f power off and on again will present the existing selection mode ( function ).

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.

LUTRON-ABH-4225-Vane-Anemometer-Barometer-Humidity-
Temp-6

The measuring unit for different mode ( function ) are :

Anemometer unit

Temp. unit m/S, Km/h, FPM, mph, Knot
Barometer unit ℃, ℉
Humidity unit hPa, mmHg, inHg.
Dew point %RH
℃, ℉

After the unit is selected, it will be memorized into the memory circuit. I f power off and on again will present the existing selection unit.

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 )

    • f. Barometer/Anemometer
      ( Upper display show atmosphere value , lower display show air velocity value )

Barometer 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 :

    • 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. Barometer/Anemometer
      ( Upper display show atmosphere value , lower display show air velocity value )

Humidity 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 :

    • a. Humidity/Temp.
      ( Upper display show humidity value , lower display show Temp. value )

    • e. Barometer/Humidity
      ( Upper display show atmosphere value , lower display show humidity value )

Dew point 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 , lower display show dew point value )

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.

Data Record ( Max., Min. reading )

  1. The data record function records the maximum and minimum readings. Press the ” REC Button ” ( 3-5, Fig. 1 ) momentarily to start the Data Record function, shows ” REC ” on the display.

  2. With the ” REC ” symbol on the display.

    • a) Press the ” REC Button ” ( 3-5, Fig. 1 ) momentarily, the ” REC MAX ” symbol along with the maximum value will appear on the display.

    • b) Press the ” REC Button ” ( 3-5, Fig. 1 ) momentarily again, the ” REC MI N ” symbol along with the minimum value will appear on the display.
      When display shows ” REC MAX ” or ” REC MI N “, press the ” Hold Button ” ( 3-4, Fig. 1 ) momentarily will delete the max. ( min. ) value, the display will show the ” REC. ” only and execute the memory function continuously.

    • c) To exit the memory record function, press the ” REC ” button for 2 seconds at least. The display will revert to the current reading, not show ” REC ” 10

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 ).

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.

OPTI ONAL CARRYI NG CASE

Soft carrying case with sash. Size : 210 x 80 x 50 mm Model : CA-52A

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