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Beka Loop Powered 4-20mA Indicators Provide Process Information in Hazardous Locations & Extreme Environments
Intrinsically safe, Type nL & general purpose models
FM U.S. & Canadian approvals
ATEX and IECEx certifications
Field & panel mounting models
3½ and 4½ digit displays
Combined analogue & digital displays
Optional: Alarms
Display backlight
Internal calibrator *
Square root extractor *
Tare function
16 point lineariser *standard on 4½ digit models
An extensive selection of loop-powered 4/20mA indicators, including models for field and panel mounting in safe and hazardous areas. Basic loop-powered instruments are easy and inexpensive to apply as they require no additional power supply and associated wiring.
Accessories including alarms, square root extractors, linearisers and display backlights further extend the application of these instruments. Most models can now be supplied with the new loop-powered display backlight which provides sufficient illumination for the display to be read in poor lighting conditions even when used with an intrinsic safety barrier.
All the intrinsically safe versions have ATEX and FM certification allowing installation in Europe and the USA. The Type nL models have ATEX certification permitting use in Zone 2 without intrinsic safety barriers or isolators.
All models are calibrated to customer requirements free of charge and they can be labeled to show units of measurement, tag number and application.
No backlight: display readable in daylight
Loop-powered backlight: display readable in poor lighting conditions
Separately powered backlight: display contrast enhanced in all lighting conditions
Maximum display for
3½ digit indicators
Maximum display for
4½ digit indicators
Intrinsically Safe Models
BA304C
BA304D
BA307C
BA308C
BA324C
Style
Note: superceded
by BA304D >>
Note: superceded
by BA324D >>
Mounting &
Enclosure
Field GRP
or Aluminum
Field GRP
Panel
96x48mm
Panel
144x72mm
Field GRP
or Aluminum
Protection
IP66
IP66
Front IP65
Rear IP20
IP66
Approvals & Certifications
FM intrinsic safety, FM non-incendive, ATEX, IECEx see downloads
Separate Terminal
Compartment
No
Yes
No
No
No
Display
Digital
No. of Digits
3½
3½
3½
3½
4½
Display Height
25mm
25mm
12.7mm
25mm
20mm
Options:
Alarms
No
No
No
No
Yes
Backlight,
separate power
Yes
Yes
Yes
Yes
Yes
Backlight,
loop powered
Yes
Yes
Yes
Yes
Yes
External
Keypad
No
No
No
No
No
Internal
Calibrator
Yes
Yes
Yes
Yes
Standard
Linearizer
No
No
No
No
Yes
Square Root
Extractor
Yes
Yes
Yes
Yes
Standard
Tare Function
No
No
No
No
Yes
Data Sheets, Manuals, Certificates, Quotations:
Intrinsically Safe Models cont...
BA324D
BA326C
BA327C
BA328C
Style
Mounting &
Enclosure
Field GRP
Panel
48x144mm
Panel
96x48mm
Panel
144x72mm
Protection
IP66
Front IP65, Rear IP20
Approvals & Certifications
FM intrinsic safety, FM non-incendive, ATEX, IECEx see downloads