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The RT-30EX flow transmitter is a rugged display with certifications for use in Hazardous Areas.  The weather-proof NEMA-4x/IP-65 enclosure features a digital display that offers a variety of screens, including Rate, Total, Grand Total, Status, and more. Flow rate and total are easily programmed to the engineering units of choice in the field. The easy thread-in installation and quick setup procedure allow you to be up and running quickly. Transmitters can be mounted locally to the flow meter or remotely.  

Features: 

  • Backlit LCD Display 
  • Rate and Totalization 
  • HART communication (Optional) 
  • Linearizer for additional accuracy 
  • Frequency and 4-20 mA outputs 
  • 2 opto-isolated limit switches 

EX Certifications: 

  • CSA (US & Canada)  
  • ATEX 
  • IECEx 
RT-30EX - Hazardous Area Rated Flow Transmitter
Unit of Measure
Items RT-30EX - Hazardous Area Rated Flow Transmitter
RT-30EX-D01
RT-30EX - Hazardous Area Rated Flow Transmitter
List Price $0.00
RT-30EX - Hazardous Area Rated Flow Transmitter
RT-30EX-D00H
RT-30EX - Hazardous Area Rated Flow Transmitter
List Price $0.00
RT-30EX - Hazardous Area Rated Flow Transmitter
RT-30EX-D01H
RT-30EX - Hazardous Area Rated Flow Transmitter
List Price $0.00
RT-30EX - Hazardous Area Rated Flow Transmitter
RT-30EX-D04
RT-30EX - Hazardous Area Rated Flow Transmitter
List Price $0.00
RT-30EX - Hazardous Area Rated Flow Transmitter
RT-30EX-D04H
RT-30EX - Hazardous Area Rated Flow Transmitter
List Price $0.00
Manufacturer Name N/A AW-Lake Company
Type N/A Flow Transmitter
Enclosure Style N/A Dual access, Aluminum
Housing Material N/A Aluminum
Mounting Type N/A Mounted remotely when used with the HUB-40EX sensor or HUB-41EX.
Power Requirement N/A 9-24 VDC / 200mA (customer supplied) Class 2
Digital Display1 N/A
    Graphic backlit LCD display offers a variety of screens:
  • Rate*
  • Total*
  • Rate & Total*
  • Grand Total*
  • Status
  • Analog Out
  • Limit
Analog Output 4-20mA N/A 3- or 2-wire plus separate supply Max load impedance 500 ohm
Three Opto-Isolated Open-Collector Outputs N/A
  • Frequency or limit outputs
  • 5-30 VDC rating
  • 40 mA max (min. load impedance required 600 Ohm at 30 VDC)
Minimal Temperature N/A -4 ºF-20 ºC
Maximal Temperature N/A 140 ºF60 ºC
Frequency Range N/A 0-4,500 Hz
Connection N/A 3/4" female NPT conduit provisions
One Opto-Isolated Input N/A 9-24 VDC remote reset
cCSAus Certification N/A
  • Class I, Div. I, Groups C, D
  • Class II, Div. I, Groups E, F, G
  • Class III
ATEX Certification2 N/A II 2 G, Ex d IIB+H2 T5 Gb, Ta = -40°C to +60°C
Sensor Type N/A HUB-40EX sensor with CSA/cUS hazardous area certification N/A None (Remote Mount) with CSA certification N/A HUB-40EX sensor with CSA/cUS hazardous area certification N/A HUB-41EX sensor with ATEX and IECEx hazardous area certification N/A HUB-41EX sensor with ATEX and IECEx hazardous area certification
L N/A 8.0 in203.01 mm
SW N/A 2.4 in60.96 mm
H N/A 8.7 in219.93 mm
H1 N/A 0.9 in22 mm
Communication Protocol N/A None N/A Hart® N/A Hart® N/A None N/A Hart®
  • 1 * Data displayed in up to 10 characters
  • 2 ATEX & IECEx available only for aluminum housings