LUTRON ABH-4225 Vane Anemometer Barometer Humidity Temp User Manual
- June 10, 2024
- Lutron
Table of Contents
LUTRON ABH-4225 Vane Anemometer Barometer Humidity Temp
FEATURES
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Anemometer, Barometer, Humidity, Temperature meter, 4 in one, professional.
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Anemometer unit : m/ S, Km/ h, FPM, mph, Knot.
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Barometer unit : hPa, mmHg, inHg.
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Humidity with Dew point measurement
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Temperature measurement with , unit.
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Vane anemometer, available for wind speed measurement, high reliability.
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Fast response time for humidity measurement.
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Atmosphere measurement with high accuracy.
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Two display can select the six mode ( function ) :
Humidity/ Temp., Humidity/ Dew point, Anemometer/ Temp., Barometer/ Temp. Barometer/ Humidity, Barometer/ Anemometer, -
Bright LCD display.
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Microprocessor circuit ensures high accuracy and provides special functions and features.
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Records Maximum and Minimum readings with recall.
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Auto power off saves battery life.
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Operates from DC 1.5V ( UM4/ AAA ) x 4 PCs batteries. * Low-friction ball vane wheels is accurate in both high and low velocities.
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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
- Vane
- Humidity/Temp. Sensor
- Power ( ▲ ) Button
- Hold ( ) Button, Unit Button
- REC ( ▼ ) Button, Mode Button
- LCD Display
- Battery Compartment/Cover
MEASURI NG PROCEDURE
Mode ( Function ) selection
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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. -
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.
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
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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. -
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.
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
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Turn on the meter by pressing the ” Power Button ” ( 3-3, Fig. 1 ) momentarily.
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For the above 4-1 mode ( function ) selection, please set to :
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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 )
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Barometer measurement
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Turn on the meter by pressing the ” Power Button ” ( 3-3, Fig. 1 ) momentarily.
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For the above 4-1 mode ( function ) selection, please set to :
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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 )
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Humidity measurement
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Turn on the meter by pressing the ” Power Button ” ( 3-3, Fig. 1 ) momentarily.
-
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
- Turn on the meter by pressing the ” Power Button ” ( 3-3, Fig. 1 ) momentarily.
- 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 )
- b. Humidity/Dew point
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 )
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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.
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With the ” REC ” symbol on the display.
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a) Press the ” REC Button ” ( 3-5, Fig. 1 ) momentarily, the ” REC MAX ” symbol along with the maximum value will appear on the display.
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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
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Auto power off management
- 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.
- 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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