Endress and Hauser and Co VU121 User Manual

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2019-06-30

Products Solutions Services

Special Documentation

Bluetooth® module VU121

Remote operation via Bluetooth® wireless
technology

About this document Bluetooth® module VU121

A

1 About this document

1.1 Symbols

Tip
Indicates additional information.

Reference to another chapter.

1.2 Documentation

1.2.1 Designated use

Remote operation of devices via Bluetooth® wireless technology

Suitable for the following device versions

• Device: Liquiphant FTL51B

• Firmware version: 01.00.zz or higher

• Device version: 1

Incorrect use

The manufacturer is not liable for damage caused by improper or non-designated use.
Under different operating conditions than those described here, protection may be

compromised and the correct functioning of the device cannot be guaranteed.

1.2.2 Declaration of Conformity

The Bluetooth module VU121 meets all the applicable EC Directives.

1.3 Registered trademarks

Bluetooth®

The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG,
Inc. and any use of such marks by Endress+Hauser is under license. Other trademarks and
trade names are those of their respective owners.

Apple®

Apple, the Apple logo, iPhone, and iPod touch are trademarks of Apple Inc., registered in the
U.S. and other countries. App Store is a service mark of Apple Inc.

Android®

Android, Google Play and the Google Play logo are trademarks of Google Inc.

2 V. 1, Rev. 2, 23-04-2019 Endress+Hauser

Bluetooth® module VU121 Radio approvals

2 Radio approvals

2.1 Europe

This device meets the requirements of the Telecommunications Directive RED 2014/53/EU:

• EN 300 328 V2.1.1

• EN 301 489-1 V2.1.1

• EN 301 489-17 V3.1.1

• EN 62311: 2008

2.2 Canada and United States

2.2.1 English

This device complies with Part 15 of the FCC Rules and with Industry Canada licence-exempt
RSS standard(s).

Operation is subject to the following two conditions:

• This device may not cause harmful interference, and

• This device must accept any interference received, including interference that may cause
undesired operation.

Changes or modifications made to this equipment not expressly approved by
Endress+Hauser SE+Co. KG may void the FCC authorization to operate this equipment.

This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Radiofrequency radiation exposure information

This equipment complies with FCC and IC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance of 20 cm between the radiator and your body.

This transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter.

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