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Endress+Hauser

NXA820

Tank Level Gauging · Tank Level & Measurement

Class-certified type (DNV register) · technical data sheet not yet verified
Specifications

Technical data.reference — unverified

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Tankanzahlbis zu 15
ProtocolMODBUS EIA485, Sakura V1, Whessoematic WM550
Versorgungsspannung Wechselspannung90 - 250 VAC
Versorgungsspannung Gleichspannung10,5 - 32 VDC
Leistungsaufnahmemax. 23 VA
Stromaufnahmemax. 100 mA bei 230 V AC
Sicherung400 mA T
Power10,5 ... 32V DC
Umgebungstemperatur-40 ... +60 °C (-40 ... +140 °F)
Relative Feuchtemax. 90 % bei +25 °C (keine Kondensation)
SchutzartIP20
Elektromagnetische Verträglichkeit (EMV)89/336/EEC, "Elektromagnetische Verträglichkeit"
CertificationsEMC Directive 89/336/EEC
Feld Kommunikation; EingangMark/Space; max 15 Messgeräte (in Vorbereitung)
Hilfsenergie90-250 V AC 50/60 Hz
Datenarchiv Speichergröße1 GB; 15 Parameter/min; 90 Tage
HousingHutschienen montage PBT, IP20
Fieldbus protocolsMODBUS EIA-master, max. 15 gauges
Number of tanks15 tanks
ProtocolMODBUS EIA485
Supply voltage90 - 250 VAC
Power consumptionmax. 23 VA
Current consumptionmax. 100 mA at 230 VAC
Fuse400 mA T
Power supply10,5 ... 32V DC
Ambient temperature-40 ... +60 °C (-40 ... +140 °F)
Storage temperature-40 ... +85 °C (-40 ... +185 °F)
Relative humiditymax. 90% at +25 °C (non-condensing)
Ingress protectionIP20
Manufacturer documentation

Images from manufacturer documentation.

Photos, drawings and page previews from this model’s datasheet or catalog.

The Tank Scanner NXA820 connects up to 15 tank measuring devices per fieldbus segment and supports various field protocols. It transmits measurement values over the network and displays them on HTML pages.

Applications

  • small tank farms
  • large refineries
Source: Endress+Hauser NXA820 datasheet, p. 5

Features

  • connects up to 15 tanks

Options

  • Alarm Popup window
  • Printer Agent
Source: Endress+Hauser NXA820 datasheet, p. 6

Standards

  • API
  • ASTM
  • IP
Endress+Hauser NXA820 – Drawing (84b217bc0725_S7-40 S. 7)
Drawing · 84b217bc0725_S7-40 · S. 7
Endress+Hauser NXA820 – Drawing (84b217bc0725_S7-40 S. 8)
Drawing · 84b217bc0725_S7-40 · S. 8
Endress+Hauser NXA820 – Drawing (84b217bc0725_S7-40 S. 9)
Drawing · 84b217bc0725_S7-40 · S. 9
Endress+Hauser NXA820 – Page preview (84b217bc0725_S7-40 S. 10)
Page preview · 84b217bc0725_S7-40 · S. 10
Endress+Hauser NXA820 – Page preview (84b217bc0725_S7-40 S. 11)
Page preview · 84b217bc0725_S7-40 · S. 11
Endress+Hauser NXA820 – Page preview (84b217bc0725_S7-40 S. 12)
Page preview · 84b217bc0725_S7-40 · S. 12
Endress+Hauser NXA820 – Page preview (84b217bc0725_S7-40 S. 13)
Page preview · 84b217bc0725_S7-40 · S. 13
Source: Endress+Hauser NXA820 datasheet, p. 7
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