Pulse input Externally powered rate totaliser, Ex nA, field mounting

Pulse input Externally powered rate totalisers

Features: 

  • To be discontinued, ATEX Ex nA certification will be de-harmonised in 2022, alternatives are BA334G & BA384G.
  • Ex nA & Ex tc certification allows installation in Zone 2 and 22 without Zener barriers or galvanic isolators.
  • Proximity detector, open collector, magnetic pick-off, voltage pulse, or switch contact input.
  • Lineariser
  • Isolated synchronous pulse output
  • Separate rate and total displays
  • Optional:
  • Internally powered display backlight
    Isolated Alarms
    Isolated 4/20mA output
    Stainless steel legend plate
IECEx logoEX logoETL logo

Product details
These easy to use, Ex nA and Ex tc certified rate totaliser can process and simultaneously display rate of flow and total flow from the pulse output of most flowmeters in Zone 2 or 22 without the need for Zener barriers or galvanic isolators. International certification allows worldwide installation and a 16 segment lineariser ensures maximum accuracy.

The two input model can display the sum or difference of the two inputs.

Accessories, include a display backlight, isolated dual alarms and an isolated 4/20mA output. The instrument can be supplied configured and fitted with a customer specified printed scale card showing the units of measurement for no additional charge. An optional Stainless Steel legend plate is also available which can be supplied laser engraved with customer specified tag and application information

To select the model and options for your application please refer to the following table.

To select the model for your application please refer to the following table.

Model BA334NG BA384NG
BA334NG BA334NG#
Mounting &
Enclosure
Field 122 x 120mm
Protection IP66
Display Primary: 8 digits 18mm high
Secondary: 6 digits 12mm high
No. of inputs 1 2
Certification  Ex ic certification codes only refer to the instrument push button contacts which are nonincendive.
International
IECEx
Ex nA ic IIC T5 Gc
Ex ic tc IIIC T80°C Dc
-40°C ≤ Ta ≤ +60°C
Europe
ATEX
Group II Category 3GD
Ex nA ic IIC T5 Gc
Ex ic tc IIIC T80°C Dc
-40°C ≤ Ta ≤ +60°C
USA ETL
Class I Zone 2 AEx nA ic IIC T5 Gc
Zone 22 AEx ic tc IIIC T80°C Dc
-40°C ≤ Ta ≤ 60°C
Canada cETL
Ex nA ic IIC T5 Gc
Ex n IIC T5 Gc
Ex ic tc IIIC T80°C Dc
Class III Div 2 Class II Div 2 Gp F, G
-40°C ≤ Ta ≤ 60°C
Optional
Backlight
Yes
Alarms
Yes
4/20mA output
Yes
Model

Mounting &
Enclosure
Protection
Display
No. of inputs
Downloads BA334NG
BA384NG
Datasheets PDFDownload PDFDownload
IECEx
certificates
PDFDownload PDFDownload
ATEX
certificates
PDFDownload PDFDownload
ETL & cETL
certificate
PDFDownload PDFDownload
Ingress
certificates
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Instruction
manuals
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Abbreviated
manuals
PDFDownload PDFDownload
Application
guide
PDFDownload PDFDownload
Declarations
of Conformity
PDFDownload PDFDownload
CAD files PDFDownload PDFDownload

# Shown with optional backlight, separately powered.