Rugged Tachometer, Ex nA, field mounting



Ex logo

Features:

  • ATEX, IECEx, ETL and cETL 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.
  • Separate speed and run-time displays
  • Isolated synchronous pulse output
  • Optional:
        Internally powered display backlight
        Isolated Alarms
        Isolated 4/20mA output
        Stainless steel legend plate
Download logoProduct downloads
 

This easy to use, Ex nA and Ex tc certified tachometer can display speed in engineering units from a wide variety of pulse output sensors such as a proximity detector or switch contact. It can be installed in Zone 2 or 22 without the need for Zener barriers or galvanic isolators thus significantly reducing cost. International certification allows use worldwide.

To simplify maintenance, the instrument also contain a second display which can simultaneously show the run-time of the monitored machinery.

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.

Other tachometers in our range include:


 
 

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


Model

BA314NG

BA314NG Tachometer#
Mounting Field 122 x 120mm
Protection IP66
Display Speed: 8 digits 18mm high
Run-time: 6 digits 12mm high
Certification     Ex ic certification codes only refer to the instrument push button contacts which are nonincendive.
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
International IECEx Ex nA ic IIC T5 Gc
Ex ic tc IIIC T80°C Dc
-40°C ≤ Ta ≤ +60°C
Optional
Backlight Yes
Alarms Yes
4/20mA output Yes

 
Downloads

BA314NG

Datasheet PDF logodownload
ATEX certificate PDF logodownload
ETL & cETL certificate PDF logodownload
IECEx certificate PDF logodownload
Ingress certificate PDF logodownload
Instruction manual PDF logodownload
Declaration of Conformity PDF logodownload
CAD files ZIP logodownload

# Shown with optional separately powered backlight.

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