Extech Instruments AN250W User manual

Quick Start
AN250W Anemometer
Bluetooth® Connectivity with the
ExView® Mobile App

Quick Start (en)
PREPARATION
1. Included items: AN250W, Quick Start, and batteries.
2. Download the User Manual from the Extech website.
3. Download the ExView mobile app from the App Store (iOS®) or
Google Play (Android™).
4. Install batteries in the rear compartment.
5. Long press the power button to switch the meter on (short
press to switch off).
GENERAL SAFETY
• Check for damage to the device before use. Return the unit if
damage is evident.
• If the meter is to be stored long term, please remove the bat-
teries and store separately.
• Do not place the meter near a strong electromagnetic field dur-
ing operation.
• CE and FCC compliant.
TAKING MEASUREMENTS
1. Position the meter so that the flow of air enters the vane from
the back.
2. View the air velocity (top) and temperature readings (bottom)
on the LCD.
3. Beaufort readings (1 to 12) are shown on the left.
4. For over-range measurements, OL will display.
5. Short press the power button to switch off.
BLUETOOTH OPERATION
Long press the Bluetooth button to switch Bluetooth on or off.
Download the ExView mobile app onto your smart device from the
App Store or Google Play.
Instructions for use are available on the Extech website (ExView
product page). Switch APO off when using Bluetooth by long press-
ing the power and Hbuttons until the APO symbol switches off.
#NAS100080; r. AA/78830/78830; en-US 1

METER DESCRIPTION
1. Vane anemometer with air temperature sensor
2. Backlit LCD
3. Function buttons
4. Tripod mount
5. Battery compartment
FUNCTION BUTTONS
Long press to switch the meter on. Short press to switch off.
Long press to switch Bluetooth on/off.
Short press to cycle through MAX/AVG readings. MAX/AVG
memories are reset when meter power is cycled.
Short press to freeze/unfreeze readings.
Long press to switch the LCD backlight on/off.
Short press to step through the air velocity units: m/s, km/h, ft/
min, mph, knots.
Long press to toggle the temperature units: ℃/℉.
#NAS100080; r. AA/78830/78830; en-US 2

DISPLAY SYMBOLS
1. Maximum reading
2. Average reading
3. Data Hold mode
4. Low battery symbol
5. Air Velocity measurement
6. Air Temperature reading
7. Bluetooth active
8. Auto Power Off (APO) symbol
9. Beaufort abbreviation
10. Beaufort scale (1 to 12)
BASIC SPECIFICATIONS
Air Velocity ranges and resolution Accuracy (% of reading)
1.5 to 30 m/s
5.4 to 108 km/h
2.9 to 58 knots
3.3 to 67 mph
295.2 to 5905 ft/min
1 to 12 Beaufort
± (5% + 0.5 digits) m/s
± (5% + 15 digits) km/h
± (5% + 10 digits) knots
± (5% + 10 digits) mph
± (5% + 180 digits) ft/min
± 1 bft
Temperature ranges and resolution Accuracy
-10.0 to 50.0℃(14.0 to 122.0℉) ± 2℃(± 4℉)
#NAS100080; r. AA/78830/78830; en-US 3

Display type 4 digit backlit LCD
Low battery indication Replace batteries when this symbol appears
Operating conditions 0 to 40℃(32 to 104℉); < 90% RH
Storage conditions -20 to 60℃(-4 to 140℉); < 75% RH
TWO-YEAR WARRANTY
FLIR Systems, Inc. warrants this Extech brand instrument to be free
of defects in parts and workmanship for two years from date of
shipment. View the full warranty at this link:
http://www.extech.com/support/warranties
CUSTOMER SUPPORT
Customer Support Telephone List:
https://support.flir.com/contact
Service e-mail:[email protected]
Technical Support:https://support.flir.com
#NAS100080; r. AA/78830/78830; en-US 4

#NAS100080; r. AA/78830/78830; en-US 5

last page
Publ. No.: NAS100080
Release: AA
Commit: 78830
Head: 78830
Language: en-US
Modified: 2021-08-23
Formatted: 2021-08-23
Website
http://www.flir.com
Customer support
http://support.flir.com
Copyright
© 2021, FLIR Systems, Inc. All rights reserved worldwide.
Disclaimer
Specifications subject to change without further notice. Models and accessories
subject to regional market considerations. License procedures may apply.
Products described herein may be subject to US Export Regulations. Please
refer to [email protected] with any questions.
Quick Start