Process indicators

Multifunctional process meters with display and control unit

RIA45 / RIA46

from $358.-
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    • 5-digit LCD including bargraph and color alteration

    • 1 or 2 channel device with mathematical functionalities

    • Wide range power supply

    Specs at a glance


    1/2 universal inputs measuring current, voltage, resistance, temperature (RTD, TC)

    Outputs 2 relays, 1/2 analog outputs

    LCD – 2 lines; black/white/ yellow;

    alarm modus: color alteration into red;

    toggle function between channels


    Linearization, mathematical calculations (+/–/avg), differential pressure package


    RIA45: 96 × 48 × 175 mm (3.78" × 1.89" × 6.89")

    RIA46: 133 × 199 × 96 mm (5.24" × 7.83" × 3.78")

    Panel Process indicator RIA45

    Product / VersionPrice / pcs. in USDOrder code
    ApprovalInput; Output1 to 34 to 1011+
    Non-hazardous area1x Universal; 1x analog407.-379.-358.- RIA45-A1A1
    2x Universal; 2x analog545.-507.-480.- RIA45-A1B1
    1x Universal; 1x analog + 2 relay490.-455.-431.- RIA45-A1C1
    2x Universal; 2x analog + 2 relay627.-583.-551.- RIA45-A1D1
    ATEX II(1)GD [Ex ia] IIC / CSA AIS, NI/I/2/ABCDEFG/T4 / FM AIS, NI/I/2/ABCDEFG/T41x Universal; 1x analog463.-430.-407.- RIA45-xxA1
    2x Universal; 2x analog601.-559.-529.- RIA45-xxB1
    1x Universal; 1x analog + 2 relay545.-507.-480.- RIA45-xxC1
    2x Universal; 2x analog + 2 relay682.-634.-600.- RIA45-xxD1

    Field indicator RIA46

    Product / VersionPrice / pcs. in USDOrder code
    ApprovalHousingInput; Output1 to 34 to 1011+
    Non-hazardous areaField plastic, glass reinforced1x Universal; 1x analog508.-472.-447.- RIA46-A1A1B
    2x Universal; 2x analog646.-600.-568.- RIA46-A1B1B
    1x Universal; 1x analog + 2 relay590.-549.-519.- RIA46-A1C1B
    2x Universal; 2x analog + 2 relay727.-676.-640.- RIA46-A1D1B
    ATEX II(1)GD [Ex ia] IIC / CSA AIS, NI/I/2/ABCDEFG/T4 / FM AIS, NI/I/2/ABCDEFG/T4Field, Alu1x Universal; 1x analog672.-625.-591.- RIA46-xxA2B
    2x Universal; 2x analog810.-753.-713.- RIA46-xxB2B
    1x Universal; 1x analog + 2 relay754.-702.-664.- RIA46-xxC2B
    2x Universal; 2x analog + 2 relay891.-829.-784.- RIA46-xxD2B
    Field plastic, glass reinforced1x Universal; 1x analog563.-524.-496.- RIA46-xxA1B
    2x Universal; 2x analog701.-652.-617.- RIA46-xxB1B
    1x Universal; 1x analog + 2 relay646.-600.-568.- RIA46-xxC1B
    2x Universal; 2x analog + 2 relay783.-728.-689.- RIA46-xxD1B


    Product / VersionPrice / pcs. in USDOrder code
    Configuration kit TXU10- for PC-programmable devices. set-up programme+interface cable for PC with USB-Port. 4 pin plug149.23 TXU10-AC
    Mounting set wall+pipe (W08)84.02 71089844

    Prices valid until 31.12.2020 in USD per unit (not including shipping and applicable sales tax). See
    Endress+Hauser Terms and Conditions

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  • Application

    Equipped with an extensive range of functionalities and approvals the RIA45 and RIA46 indicators suit any application in the process industries. Typical applications include displaying and monitoring process values, e.g. where overspill protection is required.

    As a panel display the RIA45 is ideal for installation in control rooms, switch cabinets or laboratories while the RIA46 field indicator can be installed within hazardous areas.


    The indicator detects, evaluates and displays analogue process values. The integrated loop power supply provides power supply to two-wire sensors. Universal inputs allow measuring of current and voltage as well as providing a direct connection to RTDs and thermocouples. For purposes of process control, limit points can be monitored and corresponding integrated relays can be activated. The dual line LC display has been developed especially for the process industries and provides a wide range of information which is programmable. Upon pushing the quick information button the display manually or automatically switches through the various values (process, calculated or memory-values). In the event of a failure the colour of the display alternates to signal an alarm, which is easily visible from distance. The integrated application package "differential pressure" allows a quick, convenient and easy initiation in differential pressure applications.

    Application Example

    Differential pressure with RIA46 application example

    Example of application "differential pressure"


    a) Analog In 1

    b) Analog In 2

  • Technical data

    Input parameters

    1/2 × universal input 0 to 20 mA, 4 to 20 mA;

    Over range: up to 22 mA, 0 to 10 V, 2 to 10 V, 0 to 5 V, 1 to 5 V, ±1 V, ±10 V, ±30 V, ±100 mV, ±150 mV, 30 to 3000 Ω;

    Pt 100 according to IEC751, GOST, JIS1604, Pt 500 and Pt 1000 according to IEC751;

    Cu 100, Cu 50, Pt 50, Pt 46, Cu 53 according to GOST;

    Ni 100, Ni 1000 according to DIN43760;

    Type J, K, T, N, B, S, R according to IEC584;

    Type U according to DIN43710;

    Type L according to DIN43710, GOST;

    Type C, D according to ASTM E998

    Linearization Linearization of input and calculated values (up to 32 linearization points supported)
    Tolerance current 0.05 % of measurement range
    Output parameters
    Analog output

    1/2 × analog output, 0 to 20 mA, 4 to 20 mA;

    0 to 10 V, 2 to 10 V, 0 to 5 V;

    short-circuit proof, Imax < 25 mA

    Loop power supply

    24 V DC (+15 % / –5 %), max. 25 mA;

    short-circuit proof and overload proof;

    galvanically isolated from system and outputs

    Status Output Open collector to monitor device status as well as cable open circuit
    Relay 2 changers with function modes: min., max., gradient, alarm, out-band, in-band
    Limit function Max. contact burden DC 30 V / 3 A
    (permanent state, without destruction of the input)
    Max. contact burden AC 250 V / 3 A
    (permanent state, without destruction of the input)
    Min. contact load 500 mW (12 V/10 mA)
    Operating conditions
    Degree of protection

    RIA45: Front: IP65; Back side: IP20

    RIA46: IP67/NEMA 4x

    Ambient temperature –20 to +60 °C (–4 to +140 °F)
    Storage temperature –40 to +85 °C (–22 to +185 °F)
    Power supply
    Power supply 24 V to 230 V AC/DC
    Structural design
    Front (RIA45) 96 × 48 mm (3.78" × 1.89"), cut-out: 92 × 45 mm (3.62" × 1.77")
    Depth (RIA45)

    151,8 mm (5.98") (w/o ex frame)

    175 mm (6.89") (with mounted ex frame)

    Field housing (RIA46) 133 × 199 × 96 mm (5.24" × 7.83" × 3.78") glas reinforced plastic or aluminium
    Electrical connection Coded, pluggable spring clip, 2,5 mm²; power supply with screw clamp
    Display and user Interface

    LCD 2-lines; black/white/yellow;

    alarm mode: color alteration into red; toggle function;

    1st line: 7 segment, 5-digit, 17 mm (0.67”) high;

    2nd line: Dot-Matrix free programmable for Bargraph, TAG, unit

    LED 2 × Device status; 2 × Relay status
    Operation using three buttons and/or via configuration software FieldCare Device Setup

    ATEX II(1)GD [Ex ia] IIC;



    NEPSI [Ex ia] IIC




    GL (German Lloyd) ship building

    Software functionalities
    Min/max log function / memory, alarm logging, differential pressure application package, 2 calculation channels: sum, difference, average, linearization
    Configuration software FieldCare Device Setup
    Configuration kit TXU10, USB

    Dimensions in mm (inches)


    Dimensions of process indicator RIA45

    a) Distance piece for terminals (Ex option)


    Installation according to instruction manual


    Dimensions of process indicator RIA46

    Installation according to instruction manual

    Electrical Connection


    Wiring of a process indicator RIA45

    a) Analog Out


    Wiring of a field indicator RIA46

    a) Connection socket for interface cable 

    b) Connection supply voltage 

    c) Connection relay 1 (optional) 

    d) Connection relay 2 (optional) 

    e) Connection analog and status output 

    f) Connection analog input 1 

    g) Connection analog input 2 (optional) 

    h) HART® connection sockets 

    i) Laser labeling of terminal assignment

  • More documents for RIA45
    More documents for RIA46