Extech Instruments RH250W User manual

Quick Start
RH250W Hygro-
Thermometer
Bluetooth® Connectivity with the
ExView® Mobile App

Quick Start (en)
PREPARATION
1. Included items: RH250W, 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.
• Do not attempt to open the meter housing or access the sensor.
• CE and FCC Compliant.
TAKING MEASUREMENTS
1. Long press the power button to switch the meter on.
2. Hold the meter, place it on table or desk, or mount on tripod in
the test area.
3. Relative humidity and temperature readings are shown on the
top and bottom of the LCD, respectively.
4. If the temperature measurement is out of range, OL will appear.
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 pressing
the power and Hbuttons until the APO symbol switches off.
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METER DESCRIPTION
1. Temperature & Relative Humidity Sensor
2. Backlit LCD
3. Function buttons
4. Tripod mount
5. Battery compartment
FUNCTION BUTTONS
Long press to switch on. Short press to switch off.
Long press to switch Bluetooth on/off.
Short press to cycle through MAX/MIN readings. MAX/MIN
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 toggle temperature units (℃/℉).
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DISPLAY SYMBOLS
1. Bluetooth active
2. Auto Power Off (APO) symbol
3. Relative Humidity reading
4. Maximum reading
5. Minimum reading
6. Data Hold
7. Low battery symbol
8. Temperature reading
BASIC SPECIFICATIONS
Display type 4 digit backlit LCD
Low battery indication Replace batteries when symbol appears
Temp. measurement range 14 to 140℉(-10 to 60℃)
Temp. resolution 0.2℉(0.1℃)
Temp. accuracy ± 2.0℉(1.0℃)
RH measurement range 0 to 100% RH
RH accuracy ± 5% RH
Operating conditions 32 to 104℉(0 to 40℃); < 90% RH
Storage conditions -4 to 140℉(-20 to 60℃); < 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:
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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
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last page
Publ. No.: NAS100079
Release: AA
Commit: 78960
Head: 78963
Language: en-US
Modified: 2021-08-26
Formatted: 2021-08-26
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