4/20mA Loop powered rate totaliser, Intrinsically safe, panel mounting

Loop powered rate totaliser


  • Intrinsic safety certification
  • Large easy to read displays:
  • 5 digit 12mm high
    8 digit 18mm high
  • IP66 Front panel
  • Operating temperature -40°C to +70°C
  • Display functions -20°C to +70°C
  • Internal calibrator
  • Root extractor and lineariser
  • Optional:
  • Backlight - may be loop or separately powered
IECEx logoEX logoFM logoCCC logoCCOE PESO logo

Product details
This third generation, intrinsically safe BA358E 4/20mA loop powered Rate Totaliser has large high contrast rate and total displays with an extended operating temperature range. It can display flow rate per second, minute or hour and total flow in the same or different units. Adjustable linearisation or square root extraction are selectable and the instrument can display and totalise bi-directional flows.

No additional charge is made for factory calibration or for scale and tag marking, however the Rate Totaliser can easily be recalibrated on-site.

Coated printed circuit boards plus extensive thermal and vibration testing provides maximum reliability supported by a three year guarantee.

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

Model BA358E
BA354E #
Mounting Panel 144 x 72mm
Protection Front IP66, rear IP20
Display 5 digit 12mm high
8 digit 18mm high
International IECEx
Gas - Ex ia IIC T5 Ga
-40°C ≤ Ta ≤ +70°C

Dust - Ex ia IIIC T80°C Da IP20
-40°C ≤ Ta ≤ +70°C 
Europe ATEX Gas - Group II Category 1G
Ex ia IIC T5 Ga
-40°C ≤ Ta ≤ +70°C

Dust - Group II Category 1D
Ex ia IIIC T80°C Da IP20
-40°C ≤ Ta ≤ +70°C 
USA FM & Canada cFM
Entity IS / I / A, B, C, D / T5 Ta = 70°C
I / 0 / AEx ia IIC / T5 Ta = 70°C
Non incendive NI / I / 2 / ABCD /T5
Ta=70°C - NIFW
NI / II / 2 / EFG / T5 Ta=70°C - NIFW
NI / III / 2 / T5 Ta=70°C - NIFW
I / 2 / IIC / T5 Ta=70°C - NIFW
China CCC Ex
Gas - Ex ia IIC T5 Ga
-40°C ≤ Ta ≤ +70°C

Dust - Ex iaD 20 T80°C
-40°C ≤ Ta ≤ +70°C
Gas - Ex ia IIC T5 Ga
-40°C ≤ Ta ≤ +70°C

Dust - Ex ia IIIC T80°C Da IP20
-40°C ≤ Ta ≤ +70°C 
Alarms Yes
Backlight, which may be loop or separately powered
Scalecard and tag/application marking (no charge)
Downloads BA358E
Datasheet PDFDownload
IECEx certificate PDFDownload
ATEX certificate PDFDownload
FM certificate
cFM certificate
CCC Ex certificates
CCOE/PESO certificate
Ingress certificate
Instruction manual PDFDownload
Abbreviated manual
Application guide
Declarations of Conformity PDFDownload
CAD files PDFDownload

# Shown with optional backlight, separately powered.