Specs at a glance
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Input
2 x universal (current, voltage, R, RTD, TC, resistance)
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Output
2 x Analog (current, voltage)
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Display
LCD
7 segment
Multicolour
Bargraph
TAG unit
Colour change in case of failure -
Power Supply
Wide range power supply 24 to 230 V AC/DC (-20 % / +10 %) 50/60 Hz
Field of application
Analog measured values are indicated, evaluated and calculated by the process transmitter. With the integrated loop power supply two-wire sensors can be powered. The universal inputs enable the connection of current, voltage, RTDs and TCs. Limit values can be monitored and relays can be switched. Via analog outputs process signals can be forwarded. The integrated application package "differential pressure" allows the quick and easy commissioning for differential pressure applications.
The RMA42 process transmitter exhibits a display, analog inputs for process and status signals, analog and digital outputs, and an interface for configuration. Connected sensors can be powered by the integrated LPS. All measured and calculated values are available as a signal source for display, outputs, relays and the interface.
Plant and apparatus engineering
Control rooms and cabinets
Process control, recording and supervision
Signal adjustment and conversion
Overfill protection (WHG)
Benefits
SIL 2 approval (optional);
Marine approval
1 or 2 calculated values and linearization table
Min./max. value saved
5-digit 7-segment LC display, backlit
1 or 2 universal inputs
2 relays (optional)
Digital status output (Open Collector)
Videos
Lean selection
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
|---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Loading alternative products
Predecessor
Success stories
.jpg "Automatic dosing system for the water quantity of a reverse osmosis system")
Most downloaded
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Operating Instruction (BA)
BA RMA42
English version - 01/2025
Process transmitter with control unit
EN 13/01/2025Language:
English
Version:
13/01/2025
File size:
1.8 MB
File name:
BA00287REN_0825-00.pdf
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27 documents
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Technical Information (TI)
TI RMA42
Process transmitter with control unit
EN 13/01/2025Language:
English
Version:
13/01/2025
File size:
1 MB
File name:
TI00150REN_0825-00.pdf
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-
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Operating Instruction (BA)
BA RMA42
Process transmitter with control unit
EN 13/01/2025Language:
English
Version:
13/01/2025
File size:
1.8 MB
File name:
BA00287REN_0825-00.pdf
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Short Instruction (KA)
KA RMA42
Process transmitter with control unit
EN 13/01/2025Language:
English
Version:
13/01/2025
File size:
1.2 MB
File name:
KA00286REN_1925-00.pdf
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Installation Instructions (EA)
RMA42T-
Einbauanleitung für den Austausch des CPU Karte inkl. Display RAM42
EN 30/01/2025Language:
English
Version:
30/01/2025
File size:
1.6 MB
File name:
71098914.pdf
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Installation Instructions (EA)
RMA42X-HA
Einbauanleitung für den Austausch des Front RMA42
EN 30/01/2025Language:
English
Version:
30/01/2025
File size:
250 KB
File name:
71098916.pdf
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Ex Safety Instruction (XA)
XA RMA42
[Ex ia Ga] IIC
EN 17/10/2023Language:
English
Version:
17/10/2023
File size:
454.5 KB
File name:
XA03198REN_0123-00.pdf
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Ex Safety Instruction (XA)
RMA42, ORMA42
ATEX:
II (1)G [Ex ia Ga] IIC
II (1)D [Ex ia Da] IIIC
Safety instructions for electrical apparatus in explosion-hazardous
areasEN 27/06/202204/11/201612/08/201404/07/2012Language:
English
Version:
27/06/2022
File size:
463.2 KB
File name:
XA00095REN_1622-00.pdf
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Ex Safety Instruction (XA)
XA RMA42
IND-Ex: [Ex ia Ga] IIC
Language:
English
Version:
28/11/2025
File size:
448.8 KB
File name:
XA03689REN_0125-00.pdf
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Special Documentation (SD)
SIL manual RMA42
Functional Safety Manual for Process Transmitter RMA42
EN 12/07/201907/02/201915/02/201707/04/201404/07/2012Language:
English
Version:
12/07/2019
File size:
753.4 KB
File name:
SD00025REN_1819.pdf
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Special Documentation (SD)
Levelflex FMP54 and FMP54 with process transmitter RMA42 or RMA422 Safety instructions for steam boiler approval Special Documentation
Run Time Measurement (TDR)
EN 25/04/201930/07/201415/07/201430/04/201411/10/2013Language:
English
Version:
25/04/2019
File size:
4.8 MB
File name:
SD00349FEN_0719.pdf
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Special Documentation (SD)
Levelflex FMP54 Projektierungshinweise zur Dampfkesselzulassung
Geführtes Füllstand-Radar als Begrenzungseinrichtung
für Niedrigwasser und HochwasserEN 23/05/202427/11/2013Language:
German
Version:
23/05/2024
File size:
156.3 KB
File name:
SD01071FDE_0224.pdf
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Manufacturer Information (MI)
RMA42 Process transmitter with control unit Manufacturer Information regarding firmware and hardware update
RMA42
Process transmitter with control unit
Manufacturer Information regarding firmware and hardware update
Electronic components have been changed, making a FW (xx.yy.zz) update
at the zz position necessary.
The error delay behavior of the analog input (4-20 mA NAMUR) was
modified.
The modification is not safety critical.Language:
English
Version:
01/12/2020
File size:
117 KB
File name:
MI01488K09EN_0121.pdf
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Fields of Activities (FA)
コンポーネントカタログ
HAW562-
HAW569-
MS20-
MS21-
RA33-
RB223-
RDL10-
READWIN-
RH33-
RIA14-
RIA15-
RIA16-
RIA45-
RIA452-
RIA46-
RID14-
RID16-
RID261-
RLN22-
RLN42-
RMA42-
RMC621-
RMS621-
RN22-
RN221N-
RN42-
RNB22-
RNF22-
RNO22-
RS33-
RSG30-
RSG35-
RSG40-
RSG45-
RXO20Language:
Japanese
Version:
29/08/2022
File size:
11.7 MB
File name:
Fa00016k33ja_2019.pdf
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Fields of Activities (FA)
System Components e Data Managers
Componenti di sistema e data manager
Soluzioni per il completamento del punto di misuraLanguage:
Italian
Version:
20/04/2018
File size:
28.1 MB
File name:
FA00016KIT_1918.pdf
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Fields of Activities (FA)
Produits système et data managers
Solutions associées
Language:
French
Version:
01/01/2019
File size:
5.8 MB
File name:
FA00016KFR-2019-ProduitsSysteme-DataManagers.pdf
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Case Study (CS)
Engineering support bolsters innovative shipping technology
Silverstream Technologies' system cuts emissions and fuel costs
Language:
English
Version:
06/01/2026
File size:
548.7 KB
File name:
Silverstream Technologies CS01724F.pdf
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-
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Case Study (CS)
Mesure de niveau fiable par radar dans les silos circulaires à compartiments
HeidelbergCement fait confiance au Micropilot FMR56
Language:
French
Version:
05/02/2015
File size:
692.7 KB
File name:
CS01407F14FR0115_HeidelbergerBeton_FR_BD.pdf
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Manufacturer Declaration
Product family: Accessories: System components, Contactors/transmitters, Ecograph, Memo-Graph, Over voltage protector, Power supply and barrier, Process displays, Soliswitch
Product root: FMA90-, FTE20-, HAW566-, HAW568-, RA33-, RB223-, RH33-, RIA14-, RIA15-, RIA16-, RIA45-, RIA452-, RIA46-, RID14-, RID16
-, RLN22-, RLN42-, RMA42-, RN22-, RN42-, RNF22-, RNO22-, RS33-, RSG35-, RSG45-
Declaration number: HE_02283_01.25
Manufacturer specification: RoHS
Additional information: China RoHSEN 28/11/2025Language:
English
Version:
28/11/2025
File size:
303 KB
File name:
HE_02283_01.25.pdf
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EU Declaration
Product family: Contactors/transmitters, Controller, Ecograph, Memo-Graph, Power supply, Power supply and barrier, Preline, Process displays, Soliswitch
Product root: FML621-, FTE20-, FTE30-, FTE31-, OFTE20-, ORIA15-, ORIA45-, ORIA46-, ORMA42-, ORSG35-, ORSG45-, OSG40-, OSG45-, RA33-,
RB223-, RH33-, RIA45-, RIA452-, RIA452L-, RIA46-, RMA42-, RMC621-, RMC621L-, RMS621-, RMS621L-, RN221N-, RN221NL-, RNB130-, RNS221-
, RNS221L-, RS33-, RSG35-, RSG40-, RSG45-, RTA421-, RTA421L-
Declaration number: EC_00569_03.22EN 18/10/2022Language:
English
Version:
18/10/2022
File size:
155.3 KB
File name:
EC_00569_03.22.pdf
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EU Declaration
Product family: Contactors/transmitters
Product root: RMA42-
Declaration number: EC_00339_01.16EN 20/04/2016Language:
English
Version:
20/04/2016
File size:
872 KB
File name:
EC_00339_01.16.pdf
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Search spare parts by number in drawing
60 spare parts & accessories
60 spare parts & accessories
60 spare parts & accessories
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Spare Parts RMA42
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Housing/housing accessories
Drawing numberOrder code1,2,16,17RMA42X- -
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Spare Parts RMA42
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I/O module
Drawing numberOrder code4RMA42X- -
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Terminal plug 4p "11 12 13 14" blue
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Terminals
Drawing numberOrder code771096588 -
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Terminal plug 4p "15 16 17 18" blue
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Terminals
Drawing numberOrder code871096589 -
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Terminal plug 4p "11 12 13 14"
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Terminals
Drawing numberOrder code771096593 -
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Terminal plug 4pole "15 16 17 18"
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Terminals
Drawing numberOrder code871096601 -
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Terminal plug 4pol "O16 O15 D12 D11"
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Terminals
Drawing numberOrder code1371142411 -
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Terminal plug 4pol "R13 R11 R12" coded
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Terminals
Drawing numberOrder code1171164439 -
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Terminal plug 4pol "R23 R21 R22" coded
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Terminals
Drawing numberOrder code1271164440 -
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CPU Board (w/o Display) RMA42
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Electronic
Drawing numberOrder code3RMA42T- -
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Spare Parts RMA42
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I/O module
Drawing numberOrder code5RMA42X- -
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Terminal plug 4p "21 22 23 24" blue
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Terminals
Drawing numberOrder code971096590 -
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Terminal plug 4p "25 26 27 28" blue
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Terminals
Drawing numberOrder code1071096591 -
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Terminal plug 4pole "21 22 23 24"
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Terminals
Drawing numberOrder code971096603 -
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Terminal plug 4pole "25 26 27 28"
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Terminals
Drawing numberOrder code1071096611 -
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Terminal plug 4pol "O25 O26"
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Housing/housing accessories
Drawing numberOrder code1471142413 -
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Terminal plug 4pol "N / - L / +" cod
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Terminals
Drawing numberOrder code671164441 -
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Configuration Kit TXU10
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further parts
Order codeTXU10- -
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Commubox FXA291 (Hardware)
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further parts
Order code51516983 -
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Spare Parts RMA42
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Housing/housing accessories
Drawing numberOrder code1,2,16,17RMA42X- -
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Field housing - PG, 90mm mounting rail
Order code51002468
5 products & bundles
5 products
Often bought together
Accessories
- Field housing - PG, 90mm mounting rail
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