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THE HONEYWELL SMART METER SOLUTION
themis® – the new generation of electronic indexes for residential, commercial and 
industrial diaphragm gas meters – is part of the Honeywell smart meter solutions 
package. From mechanical meters and smart index technologies to complete 
meter data collection and meter data management systems, Honeywell can supply 
everything required for an efficient, coordinated all-in-one smart metering solution.
themis®
UNO
 –
 NBIoT
MAIN FEATURES
• Integrated concept
– Cost-efficient solution delivering 
a high level of reliability
• WAN communication
– NBIoT (DLMS; UNI-TS 11291)
• With electronic temperature 
compensation
• Supports local and 
remote valve control
• Long battery life
– Typically 20 years, depending 
on communication schedule
– Longer service lives thanks to 
reduced communication frequency
• Extended smart metering functions
– Load profiles
– Time of Use and Block tariffs
– Event and alarm signalling
– Time synchronization
• State-of-the-art data security 
and data protection
(AES-128 symmetric keys)
• Supports secure, over the air firmware 
updates according to UNI-TS 11291
• Battery can be replaced in the 
field without loss of data
• Easy operation and installation
– Clearly legible matrix display (LCD)
– Menu navigation using 
intuitive key control
– Simple commissioning using
pre-configured indexes

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Subject to change without prior notice ·
All rights reserved
themis®
uno
– NBIoT | EN | v1 | 01/21
© 2021 Honeywell International Inc.
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For more information
www.elster-instromet.com