Rugged 4/20mA Loop powered indicators, Type nA, panel mounting

Loop powered indicators

Features: 

  • Ex nA & Ex tc certification eliminates the need for Zener barriers and galvanic isolators.
  • Large non multiplexed displays, models with:
  • 4 digits: 15mm high
    5 digits: 11mm high + bargraph
  • Rugged Stainless Steel cases for use in Ex n, Ex e, Ex p and Ex t panel enclosures in Zones 2 & 22.
  • Internal calibrator
  • Root extractor and lineariser
  • Tare function
  • Optional:
  • Backlight - may be loop or separately powered
    Alarms
IECEx logoEX logoETL logo

Product details
These loop powered indicators have third party Ex nA and Ex tc certification allowing them to be installed in a Ex n, Ex e, Ex p or Ex t panel enclosure located in Zone 2 or 22 without the need for a barrier or galvanic isolator. They have rugged Stainless Steel cases and large high contrast displays with a wide viewing angle and can operate over a wide temperature range.

Both models can be supplied custom calibrated and labelled with scale and tag information for no additional charge.

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 BA307NE BA327NE
BA307NE  # BA327NE
Mounting & Enclosure Panel
Protection Front IP66, rear IP20
Display 4 digits 15mm high
5 digits 11mm high
+ bargraph
Certification
International
IECEx
Gas - Ex nA ic IIC T5 Gc -40°C ≤ Ta ≤ +70°C
Dust - Ex tc IIIC T80°C Dc IP20 -40°C ≤ Ta ≤ +70°C
Europe
ATEX
Gas - Group II Category 3G Ex nA ic IIC T5 Gc -40°C ≤ Ta ≤ +70°C
Dust - Group II Category 3D Ex tc IIIC T80°C Dc IP20 -40°C ≤ Ta ≤ +70°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 ETL
Ex nA ic IIC T5 Gc: Ex n IIC T5 Gc
Ex ic tc IIIC T80°C Dc
-40°C ≤ Ta ≤ 60°C
Optional
Alarms Yes
Backlight, which may be loop or
separately powered
Yes
Scalecard and tag/application
marking (no charge)
Yes
Model

Mounting &
Enclosure
Protection
Display
Downloads BA307NE BA327NE
Datasheets PDFDownload PDFDownload
IECEx
certificates
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ATEX
certificates
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ETL 
certificates
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Ingress
certificates
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Instruction
manuals
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Abbreviated
manuals
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Application
guide
PDFDownload PDFDownload
Declarations
of Conformity
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CAD files PDFDownload PDFDownload

# Shown with optional backlight, separately powered.