Technical Data
CompareProcess indicator & control units
| Measuring Principle | Indicators with control unit |
| Measuring principle | Process indicator with pump control |
| Function | Display Power Switch Seperate Convert Count Calculate |
| Display | LCD multicolour Illuminated Bargraph |
| Power Supply | 90...250 V AC 20...28 V AC 20...36 V DC |
| Input | 1 x analog (U, I, RTD, TC, R) |
| Output | 1 x analog (U, I) 1 x transmitter power supply |
| Software functions | Pump control Linearisation Flow calculation Batch counter |
| Certificates | FM AIS CSA (Ex ia) |
| SIL | Not defined |
| Panel mounting | panel mounting |
The process indicator monitors and displays analog measured values; pump operation can be monitored via digital status inputs. RIA452 can power the connected two-wire sensors. Up to 8 freely programmable relays monitor measured values to prevent upper or lower limits from being exceeded. Other relay operating modes include sensor or instrument fault detection, batching and pump control. In addition, RIA452 can be preset for use as a counter to measure flow in open channels and weirs.
Advantages
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7-digit 14-segment LC display, large bar graph for above-range and below-range indication
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Digital status input for pump monitoring
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Flow measurement in open channels and weirs
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Intrinsically safe input with loop power supply
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Min/max value storage
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Linearization table with up to 32 support points
Application
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The single-channel panel meter RIA452 monitors and displays analog measured values. Pumps can be monitored using digital status input signals.
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RIA452 can directly power the connected two-wire transmitters, ensuring intrinsically safe operation. Up to 8 freely programmable relays monitor measured values to prevent limit values from being exceeded or undershot. Other relay operating modes include detecting sensor or device faults, batching and pump control functions (e.g. alternating pump control).
Spare Parts & Accessories 21
21 spare parts · click to collapse
| Order code | Description | |
|---|---|---|
| RIA452X- | Recorder spare part RIA452X | Enquire |
| RIA452X- | Recorder spare part RIA452X | Enquire |
| RIA452X- | Recorder spare part RIA452X | Enquire |
| 51008272 | terminal blockEx-Frame connectors RIA452 | Details |
| 51009302 | terminal blockTerminal strip 4 pole | Details |
| RIA452X- | Recorder spare part RIA452X | Enquire |
| 50078843 | terminal blockEcograph/Memograph/S + Alphalog from unit No.410297XA | Details |
| 51008587 | terminal blockTerminal strip 5 pole | Details |
| 51008588 | terminal blockTerminal strip 6 pole | Details |
| 71123475 | terminal blockfor power supply RSG30: from unit No. DB001004267 orange coloured connector | Details |
| RIA452X- | Recorder spare part RIA452X | Enquire |
| 51005104 | terminal blockMemo-Graph/Memo-Gr.S/Eco-Graph C relay | Details |
| RIA452S- | RIA452 release code RIA452SInclusive Readwin. Only possible as from serial number A3002B04264. Attention: Only 1 piece per position orderable in offer/order because of item category group ZTA1. | Enquire |
| RIA452S- | RIA452 release code RIA452SInclusive Readwin. Only possible as from serial number A3002B04264. Attention: Only 1 piece per position orderable in offer/order because of item category group ZTA1. | Enquire |
| RIA452S- | RIA452 release code RIA452SInclusive Readwin. Only possible as from serial number A3002B04264. Attention: Only 1 piece per position orderable in offer/order because of item category group ZTA1. | Enquire |
| TXU10- | Instrument Commissioning Kit TXU10用于可以PC编程调试的设备 程序设置+用于带USB接口的PC的连接线 | Enquire |
| RXU10- | Data Manager Accessory RXU10 | Enquire |
| 50070730 | Housing sealing gasketGasket housing RIA 450 | Details |
| 51009957 | Enclosure IP65 RIA452外壳 IP65 RIA452 | Details |
| 71035359 | mounting bracket | Details |
Configurator / Comparison
Manuals & Documents 12
All documents for this model12 documents · click to expand
BA RIA452 Chinese
RIA452 English
Betriebsanleitung/Operating Instructions RIA452 Software Version 2.01 English
Betriebsanleitung/Operating Instructions RIA452 Software Version 2.01 English
Operating Manuals ReadWin 2000 (GB) English
Operating Manuals ReadWin 2000 (GB) English
Operating Instructions process display RIA452 English
Operating Instructions process display RIA452 English
Betriebsanleitung/Operating Instructions RIA452 Software Version 2.0 English
RIA452 English
Technical Information process meter RIA452 English
Technical Information process display RIA452 English
Case Studies
Municipal Wastewater Treatment · Process Measuring and Control Instrument — Application Case
Application Context
the inlet, biological and outlet stages of a municipal plant is a typical Municipal Wastewater Treatment duty. The project started from Process Measuring and Control Instrument, focusing on measurement, control and recording for process loops.
Process Constraints
effluent parameters drift and probes foul with sludge and biofilm, and high solids and corrosive fractions, with large diurnal flow swings only amplify it. The Process Measuring and Control Instrument specification must therefore cover configured by input type, loop count and communication.
Delivery Approach
Delivery was handled as the system components range — supplying as a full cabinet and signal-chain configuration. Execution centred on configured by input type, loop count and communication, together with stable compliance with Grade 1A discharge limits and online data reporting.
Field Results
Operation shows the benefit clearly — configured on site, cutting back-and-forth during system commissioning, with confidence in this measuring point improving markedly.
Food & Beverage · Process Measuring and Control Instrument — Application Case
Customer Profile
The typical setting in Food & Beverage is dosing, pasteurising, filling and CIP stages. The measuring point is Process Measuring and Control Instrument; the focus is measurement, control and recording for process loops.
Key Difficulties
Conditions are syrups, dairy and beverages that scale easily, under strict hygienic requirements and, on top of that, frequent cleaning demands instruments that withstand hot CIP/SIP caustic cycles, which a standard configuration cannot handle for long. The design therefore starts with configured by input type, loop count and communication.
Implementation
The scope ran through the system components range: supplying as a full cabinet and signal-chain configuration. Technically it hinges on configured by input type, loop count and communication, and on these requirements: food-safety and hygienic design per 3-A / EHEDG.
Customer Benefit
In practice this means configured on site, cutting back-and-forth during system commissioning, which cut the workload on the site maintenance team.
Chemical & Pharmaceutical · Process Measuring and Control Instrument — Application Case
Project Background
The project covers reactors, metering vessels and finished-product tanks. The work centres on Process Measuring and Control Instrument and the core task is measurement, control and recording for process loops.
Operating Challenges
The medium and duty are characterised by highly corrosive media with solvents and crystallisation, partly in explosive atmospheres, and corrosion plus Ex protection shortens instrument life and makes downtime costly. So Process Measuring and Control Instrument cannot be specified generically — it calls for configured by input type, loop count and communication.
Solution
The Ainstru engineering team worked through the system components range: supplying as a full cabinet and signal-chain configuration. The configuration involves configured by input type, loop count and communication, with these requirements in view: Ex certification and GMP traceability of records.
Results
Since start-up the system has run steadily; the practical result is configured on site, cutting back-and-forth during system commissioning.
Power & Energy · Process Measuring and Control Instrument — Application Case
Project Overview
The site is boiler feedwater, turbine condensate and FGD/DeNOx systems. The customer wanted Process Measuring and Control Instrument properly configured on the existing plant, with the aim of measurement, control and recording for process loops.
Technical Challenges
What actually causes trouble is high temperature and pressure with both steam and saline water, and drift under high temperature and pressure, with very costly unplanned outages. All of this means the Process Measuring and Control Instrument configuration has to involve configured by input type, loop count and communication.
Configuration
Supply and installation were organised through the system components range: supplying as a full cabinet and signal-chain configuration. On site this meant configured by input type, loop count and communication, checked line by line against: compliance with power-industry codes and unit availability targets.
Performance
After commissioning the outcome is configured on site, cutting back-and-forth during system commissioning, and the readings are now used for process tuning.
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