Process Control Instruments, Field Devices and Industrial Automation
SKU# (226)

ENDRESS+HAUSER  RA33-AA1-AA

CONTROLLERS / FLOW
BATCH CONTROLLERS




ENDRESS+HAUSER RA33-AA1-AA__________ (1)
  • Overview
  • Benefits
  • Specs
  • Related
  • Documents

EH RA33 Batch Controller for flow and control output signals. 1 4-20mA or Pulse Flow input, 1 RTD or 4-20mA Temperature input, 1 4-20mA Density input, 2 digital inputs, 2 open collector and 2 relay outputs. Temperature and density compensation function. Includes data logger, multi keyboard and LCD display with white backlit. Optional UL and CSA approvals.

Part# with Options:        RA33-AA1-AA
Price with Options:        Please Email us your request for quote   

Options:    

Approval
(1) Approval for EH RA33
Power Supply
(2) Power Supply for EH RA33
Operation Language
(3) Operation Languagec for EH RA33
Output
(4) Output for EH RA33
Communication
(5) Communication for EH RA33
Application Package
(6) Application Package for EH RA33
Calibration
(7) Calibration for EH RA33
Additional Approval
(8) Additional Approval for EH RA33

  Availability 10 Days  ]

RA33 Batch Controller Application

Highlights
  • Swift commissioning and easy operation with plain-text display in selectable language
  • Valve control for single-stage and two-stage batching
  • Automatic after-run correction for constant, extremely accurate results
  • Temperature/density compensation as per ASTM D1250-04
Application
  • Recording and controlling of slow batch operations with a duration of longer than 10 seconds

Typical applications include:

  • Food industry
  • Chemical industry
  • Pharmaceutical industry
  • Oil & gas industry
Your benefits
  • Standard models are suitable for connecting and supplying all common flow transmitters, temperature sensors and density sensors
  • Detailed logging of batch reports and error messages
  • Advanced error diagnostics for leakage, fill deviation and "no flow"
  • Industry-compliant compact housing for field or wall mounting, panel mounting or top-hat rail mounting
  • Remote control option to start and abort batch runs
  • Daily, monthly and annual statistics on the batch run size and quantity
Measuring principle

The Batch Controller RA33 is designed to record flow and control output signals for valves and pumps to ensure the exact dosing of predefined batch quantities. The calculation is based on measuring the current rate of flow and then totalizing or recording the quantity using pulses. The measured volume can be corrected with the temperature/density compensation function. Here, mineral oils can be corrected according to the ASTM D1250-04 standard. The volumes of other media can be corrected using expansion coefficients, or the volume can be converted to mass by measuring the density.

Measuring Principle Batch controller
Function Filling & dosing
Certification CE
UL listed
CSA GP
Input 1 x analogue (I) / pulse (for flow)
1 x RTD (for temperature)
1 x analogue (I) (for density)
2 x Digital inputs
Loop power supply 24V DC (+/-16%)
Output 1 x analogue (I) / pulse (active)
2 x open collector
Relay output 2 x relay
Auxiliary power supply / Loop power supply Low voltage power supply:
100 bis 230 V AC (-15% / +10%)

Small voltage power supply:
24 V DC (-50% / +75%), 24 V AC (50%)
Dimensions (wxhxd) 144 x 144 x 103.1 mm
(5.67" x 5.67" x 4.06")
Software Volume calculation
1 or 2 stage operation
Manual and automatic overrun correction
Volume correction factor (VCF) according ASTM D1250-04 for generalized crude oils, refined products and lubricating oils
Operation 3 operation buttons and 14 function buttons for batch operation or via FieldCare
Read out of historical / logged data via Field Data Manager software (SQL database and visualization interface)
Selectable language
Display 160 x 80 Dot-Matrix LCD with white backlit
Colour change in case of alarm event
Active display area 70 x 34 mm

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