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Tankvision Inventory management Data Concentrator NXA821

Consolidates data from connected Tank Scanners NXA820

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Tankvision Inventory management Data Concentrator NXA821

Consolidates data from connected Tank Scanners NXA820

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Benefits

  • A robust industrial operating system with embedded software ensures high stability and availability
  • Approved for custody transfer applications according to NMi and PTB
  • Modular design; easily adjustable to any application; can be upgraded as required
  • Configuration, commissioning and operation via web browser; no proprietary software required
  • Access for up to 10 users per Tankvision component from any connected PC - license free
  • Predefined or customized operator screens for typical operation of a tank farm
  • Common hardware platform for all components; no hard disc or fans - no wearout
FLEXible answers to individual needs
Current product

Tankvision Inventory management Data Concentrator NXA821

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  • Specialized products
  • Designed for demanding applications

What is FLEX?

FLEX selections
Technical excellence
Simplicity
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Fundamental selection Meet your basic measurement needs
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Lean selection Handle your core processes easily
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Extended selection Optimize your processes with innovative technologies
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Xpert selection Master your most challenging applications
Variable
Manufacturer's warranty

Engineered for confidence

Our instruments are designed for long‑lasting performance, precise measurement, and dependable operation in demanding industrial environments. Each product includes a standard manufacturer’s warranty that reflects our commitment to quality and to the trust you place in our solutions.

Should a warranty case occur, the device will be assessed and the applicable remedy will be provided in line with the warranty terms – helping ensure a reliable and efficient resolution and supporting continued operation of your measurement point.

Request for extended warranty

If you require extended warranty coverage, simply contact your local Endress+Hauser representative. Our experts will advise you on the available options to match your application and risk profile, helping you protect your investment, reduce unexpected repair costs, and ensure reliable long‑term operation beyond the manufacturer's warranty period.

Learn more

Warranty terms apply

The manufacturer's warranty and extended warranty are subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.

Services by your side

Right‑first‑time commissioning, worldwide

Endress+Hauser’s qualified service engineers ensure your measurement devices are commissioned right the first time, delivering application‑aligned accuracy, regulatory compliance, and operational confidence from startup onwards, anywhere in the world.

Remote support you can trust wherever you operate

With Endress+Hauser Smart Support, you benefit from faster issue resolution, higher uptime, reliable global expertise across the entire product lifecycle – and lasting peace of mind.

Committed to long‑term, sustainable performance

With deep field expertise, harmonized processes, and continuous monitoring, we accompany you with comprehensive service offerings – from initial start‑up through instrumentation maintenance to process optimization – as a true lifetime partner delivering improved outcomes.

For additional information, please contact your local Endress+Hauser representative.

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24/7 customer portal

Personalized transaction space

Check prices and delivery times, save your favorite products, create quotes and place orders in just a few clicks and track deliveries at any time. With access to your complete order and quote history including all relevant documents you benefit from full transparency throughout the entire process.

Easy access to technical documentation

Select and download all technical documentation such as operating manuals, calibration certificates, approvals and CAD drawings conveniently bundled as a complete documentation package for your entire order or quote.

My Endress+Hauser – all in one place

My Endress+Hauser is your 24/7 connection to Endress+Hauser – in the office, in the field or on the go. It brings together transaction management, documentation and software downloads, knowledge base access, customer support, engineering tools and cloud‑based IIoT services helping you work easier, faster and more efficiently.

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Product information

Tankvision NXA821 - Inventory management
Inventory management - Tankvision NXA821
Specifications
Software
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Description

The Data Concentrator NXA821 summarizes data from various Tank Scanners NXA820 as one part of Tankvision. Tankvision is a tank inventory system which is operated by a standard web browser and does not require proprietary software or licensing costs. Tankvision is based on a distributed architecture on a local area network (LAN). Due to its modular structure it is ideally suited for small tank farms with only a couple of tanks, but also for large refineries with hundreds of tanks.

Field of application

Summarizes data from various Tank Scanners NXA820. Suited for small tank farms with only a couple of tanks, but also for large refineries with hundreds of tanks.

  • Ambient temperature: -40 to +60°C (-40 to +140°F)
  • Approved for custody transfer applications according to NMi and PTB
Benefits
  • A robust industrial operating system with embedded software ensures high stability and availability
  • Approved for custody transfer applications according to NMi and PTB
  • Modular design; easily adjustable to any application; can be upgraded as required
  • Configuration, commissioning and operation via web browser; no proprietary software required
  • Access for up to 10 users per Tankvision component from any connected PC - license free
  • Predefined or customized operator screens for typical operation of a tank farm
  • Common hardware platform for all components; no hard disc or fans - no wearout
Predecessors
NRM571, NRS57, NXS310
Downloads
Most downloaded
Technical Information (TI)
Tankvision NXA820, NXA821, NXA822 Inventory Management System with completely integrated software for
operation via standard web browser
English version - 04/2008
Download
Operating Instruction (BA)
Tankvision NXA820, NXA821, NXA822 Operating Instructions
Operator Manual
English version - 02/2023
Download
Technical Information (TI)
Tankvision NXA820, NXA821, NXA822 Tank Gauging
English version - 02/2023
Download
The CAD Drawings will be available after the configuration.
All downloads
29 Downloads
Technical Information (TI)
Tankvision NXA820, NXA821, NXA822 Tank Gauging
English version - 02/2023
Download
Technical Information (TI)
Most downloaded
Tankvision NXA820, NXA821, NXA822 Inventory Management System with completely integrated software for
operation via standard web browser
English version - 04/2008
Download
Operating Instruction (BA)
Most downloaded
Tankvision NXA820, NXA821, NXA822 Operating Instructions
Operator Manual
English version - 02/2023
Download
Operating Instruction (BA)
Tankvision NXA820, NXA821, NXA822 Operating Instructions
System Description
English version - 02/2023
Download
Operating Instruction (BA)
Tankvision NXA820, NXA821, NXA822 Operating Instructions Inventory Management System with completely integrated software for
operation via standard web browser
English version - 09/2010
Download
Operating Instruction (BA)
Tankvision NXA820, NXA821, NXA822 Operating Instructions Installation Instructions
English version - 02/2023
Download
Operating Instruction (BA)
BA Tankvision NXA820, NXA821, NXA822 Inventory Control
English version - 05/2024
Download
Operating Instruction (BA)
Tankvision NXA820, NXA821, NXA822 Description of Instrument Functions Inventory Management System with completely integrated software for
operation via standard web browser
English version - 09/2010
Download
Installation Instructions (EA)
Terminal set Installation instruction NXA820, NXA821, NXA822
English version - 04/2012
Download
Installation Instructions (EA)
Electronics basic version and PC boards Installation Instructions Prosonic S FMU9x; Tankvision NXA20, NXA82x
English version - 04/2017
Download
ZE (Certificate)
Tankvision NXA820, NXA821 NMi Test certificate
TC7445 revision 8
English version - 08/2019
Download
ZE (Certificate)
Tankvision NXA820, NXA821 PTB Bauartzulassung
DE-16-M-PTB-0109, Revision 2
German version - 08/2019
Download
Manufacturer Information (MI)
Tankvision NXA820, NXA821, NXA822 Manufacturer Information for users regarding software updates (NE53) Software version V01.01.01
English version - 04/2009
Download
Manufacturer Declaration
Product family: Cerabar, Cerabar M, Cerabar S, Ceraphant, Deltabar, Deltabar M, Deltabar S, Deltapilot M, Fieldgate, Gammapilot, Lev elflex, Liquicap M, Liquicap T, Liquiphant, Liquiphant FailSafe, Liquiphant M, Liquipoint, Liquipoint T, Liquitrend, Micropilot, Mic ropilot S, Minicap, Fermentation monitor, Prosonic M, Prosonic S, Prosonic T, Solicap M, Solicap S, Soliphant M, Soliphant T, Spare parts level, Strahlenschutzbehälter, System & Gauging, Tankvision, Waterpilot Product root: FDU90-, FDU91-, FDU91F-, FDU92-, FDU93-, FDU95-, FHX40-, FHX50-, FHX50B-, FMB50-, FMB51-, FMB52-, FMB53-, FMD71-, FMD7
2-, FMD77-, FMD78-, FMG50-, FMI21-, FMI51-, FMI52-, FMP50-, FMP51-, FMP52-, FMP53-, FMP54-, FMP55-, FMP56-, FMP57-, FMR10-, FMR10B-,
FMR20-, FMR20B-, FMR30B-, FMR43-, FMR50-, FMR51-, FMR52-, FMR53-, FMR532-, FMR54-, FMR540-, FMR56-, FMR57-, FMR60B-, FMR62B-, FMR63
B-, FMR66B-, FMR67B-, FMU30-, FMU40-, FMU41-, FMU42-, FMU44-, FMX11-, FMX21-, FTC260-, FTC262-, FTI51-, FTI52-, FTI55-, FTI56-, FTI7
7-, FTL31-, FTL33-, FTL41-, FTL43-, FTL50H-, FTL51B-, FTL51H-, FTL62-, FTL63-, FTL64-, FTL80-, FTL81-, FTL85-, FTM20-, FTM21-, FTM50
-, FTM51-, FTM52-, FTW23-, FTW31-, FTW32-, FTW33-, FWR30-, NMR81-, NMR84-, NMS80-, NMS81-, NMS83-, NMT532-, NMT539-
English version - 03/2025
Download
Manufacturer Declaration
Product family: Tankvision Product root: NXA820-, NXA821-, NXA822-
Declaration number: HE_02161_01.25
Manufacturer specification: Performance characteristics
Additional information: Cyber Security
English version - 06/2025
Download
EU Declaration
Product family: Tankvision Product root: NXA820-, NXA821-, NXA822-
English version - 05/2017
Download
EU Declaration
Product family: Tankvision Product root: NXA820-, NXA821-, NXA822-
Declaration number: EC12016A
English version - 10/2012
Download
UK Conformity Assessed
Product family: Tankvision Product root: NXA820-, NXA821-, NXA822-
Declaration number: UK_00121_01.21
English version - 04/2021
Download
Miscellaneous
Product family: Tankvision Product root: NXA820-, NXA821-
Region: Eurasian Economic Union
Approval agency: EAC
Approval number: TR CU 020/2011; TR CU 004/2011
Russian version - 10/2024
Download
Metrology
Product family: Tankvision Product root: NXA20-, NXA820-, NXA821-
Region: Europe
Approval agency: PTB
English version - 05/2018
Download
Metrology
Product family: Tankvision Product root: NXA820-, NXA821-
Region: Europe
Approval agency: PTB
Approval number: DE-16-M-PTB-0109
Metrology type: Metrology
German version - 08/2026
Download
Metrology
Product family: Micropilot S, System & Gauging, Tankvision Product root: FMR532-, FMR540-, NMR81-, NMR84-, NMS80-, NMS81-, NMS83-, NMT532-, NMT539-, NMT81-, NRF81-, NXA20-, NXA820-, NXA821-,
NXA822-, NXA83B-, NXA85-, NXA86B-
Region: Uzbekistan
Approval agency: UZS
Approval number: 02-2.0098
Metrology type: Metrology
Russian version - 02/2022
Download
Metrology
Product family: Tankvision Product root: NXA820-, NXA821-, NXA822-
Region: Bulgaria
02/2012
Download
Metrology
Product family: Tankvision Productroot: NXA20-, NXA820-, NXA821-, NXA822-, NXA85-
Region: Azerbaijan
Approval agency: AzMI
Approval number: 003006
Metrology type: Metrology
03/2022
Download

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Spare parts and accessories

further parts
further parts

Terminal set NXA820/821/822

further parts
further parts
Order code 71071922
further parts
further parts

PC board power supply AC

further parts
further parts
Order code 71354876
Spare parts & accessories
Tankvision NXA821 - Inventory management
Inventory management - Tankvision NXA821

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Tankvision NXA821 - Inventory management
Inventory management - Tankvision NXA821
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Spare parts and accessories

further parts
further parts

Terminal set NXA820/821/822

further parts
further parts
Order code 71071922
further parts
further parts

PC board power supply AC

further parts
further parts
Order code 71354876
Spare parts & accessories