Benefits at a glance
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You have an installed base with 4-wire devices and still want to benefit from the advantages of the Liquiline Compact CM72 2-wire transmitter (compact design, Memosens technology, use in hazardous areas, safety against operating errors)? Then this bundle is just right for you, as the RIA46 field meter powers up to two CM72 devices simultaneously. This allows you to set up two CM72 measuring points for pH, ORP, oxygen or conductivity sensors with Memosens technology in your 4-wire environment.
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Use the CM72 2-wire transmitter in a 4-wire environment
Thanks to its integrated loop power supply, the RIA46 4-wire field meter is able to power one or even two 2-wire transmitters of the Liquiline CM72 series. This allows you to perfectly use the compact and robust field transmitter with your 4-wire infrastructure.
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Transmitter with Memosens technology
The Liquiline Compact CM72 transmitter can accommodate pH, ORP, conductivity or oxygen sensors (depending on the configuration in the ordering process). Thanks to Memosens technology and the automatic sensor recognition, you can replace worn sensors within seconds.
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Visual indication of status diagnostics
The CM72 transmitter is equipped with a red/green LED that permanently displays the diagnostic results of the transmitter and the connected sensor, thus enabling a quick and easy status check on-site.
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Suitable for hazardous areas
With its international explosion protection approvals, such as IECEx, ATEX, and CSA, the Liquiline Compact CM72 is suitable for hazardous area use. Therefore, it is possible to mount the CM72 in a hazardous area even if the RIA46 is installed in a non-hazardous area.
Bundle in Detail
Components and Pre-Configurations
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Components can be configured within the bundle in the cart
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Components
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2- F
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
| FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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1
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2
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1-channel transmitter
Liquiline Compact CM72
The Liquiline Compact CM72 is a small transmitter for Memosens sensors. It is the right choice for you if installation space is limited and you don't need the flexibility of a multiparameter device. Together with the sensor, it fits into most assemblies and couldn't be easier to install. The measuring parameter and measuring range are already defined during the ordering process, making the CM72 immediately ready for use with a high degree of safety against operating errors.
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Measuring principle
Potentiometric
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Application
All sectors, supporting all sensors with the blue Memosens plug-in head, enviromental sector
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Installation
Connection of digital sensors with Memosens-Protocol
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Characteristic
Liquiline CM72 is a fixed configured two-wire transmitter for all areas of process engineering
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Measuring range
pH Sensor: 0 to 14 pH
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Design
Peek housing
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Material
Housing, cover: Peek 151
Strain relief: EPDM
Axial ring: Peek 450 G -
Dimension
Diameter: 18.95 mm (0.75 inch)
Length: 114.7 mm (4.52 inch) -
Connection
Connection of digital sensors with Memosens-Protocol
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Ingress protection
IP67, IP68, NEMA Type 6
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Input
One channel transmitter
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Output / communication
4 to 20 mA
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Additional certifications
CE, CSA C/US GP
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Measuring principle
Potentiometric
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Application
All sectors, supporting all sensors with the blue Memosens plug-in head, enviromental sector
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Installation
Connection of digital sensors with Memosens-Protocol
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Characteristic
Liquiline CM72 is a fixed configured two-wire transmitter for all areas of process engineering
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Measuring range
ORP sensors: -1500 mV to 1500 mV
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Design
Peek housing
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Material
Housing, cover: Peek 151
Strain relief: EPDM
Axial ring: Peek 450 G -
Dimension
Diameter: 18.95 mm (0.75 inch)
Length: 114.7 mm (4.52 inch) -
Connection
Connection of digital sensors with Memosens-Protocol
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Ingress protection
IP67, IP68, NEMA Type 6
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Input
One channel transmitter
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Output / communication
4 to 20 mA
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Measuring principle
Potentiometric
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Application
All sectors, supporting all sensors with the blue Memosens plug-in head, enviromental sector
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Installation
Connection of digital sensors with Memosens-Protocol
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Characteristic
Liquiline CM72 is a fixed configured two-wire transmitter for all areas of process engineering
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Measuring range
Conductivity sensors: 0 to 500 mS/cm
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Design
Peek housing
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Material
Housing, cover: Peek 151
Strain relief: EPDM
Axial ring: Peek 450 G -
Dimension
Diameter: 18.95 mm (0.75 inch)
Length: 114.7 mm (4.52 inch) -
Connection
Connection of digital sensors with Memosens-Protocol
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Ingress protection
IP67, IP68, NEMA Type 6
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Input
One channel transmitter
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Output / communication
4 to 20 mA
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Measuring principle
Potentiometric
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Application
All sectors, supporting all sensors with the blue Memosens plug-in head, enviromental sector
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Installation
Connection of digital sensors with Memosens-Protocol
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Characteristic
Liquiline CM72 is a fixed configured two-wire transmitter for all areas of process engineering
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Measuring range
Oxygen sensors: 0 to 20 mg/l
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Design
Peek housing
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Material
Housing, cover: Peek 151
Strain relief: EPDM
Axial ring: Peek 450 G -
Dimension
Diameter: 18.95 mm (0.75 inch)
Length: 114.7 mm (4.52 inch) -
Connection
Connection of digital sensors with Memosens-Protocol
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Input
One channel transmitter
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Output / communication
4 to 20 mA
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RIA46 process indicator with control unit
Analog measured values are indicated, evaluated and calculated by the field indicator. 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.
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Measuring principle
Indicators with control unit
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Measuring principle
Field meter with control unit
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Function
Display
Loop Power Supply
Transmitter Functionality
Barrier
Signal Isolation
Calculation
Limit Alarm -
Display
Multicolor backlight LCD
White/black/yellow
Bargraph
Unit
TAG
Alarm warning in plain text -
Power Supply
20...250V AC/DC
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Input
2 x universal (U, I, R, RTD, TC)
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Output
2 x analogue output (I, U) 1 x loop power supply
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Software functions
Linearization
Minimum value per channel
Maximum value per channel
Calculation
Band value monitoring -
Certificates
ATEX II(1)GD [Ex ia] IIC
CSA General Purpose
CSA AIS, NI/I/2/ABCDEFG/T4
FM AIS, NI/I/2/ABCDEFG/T4
TIIS [Ex ia] IIC
NEPSI [Ex ia] IIC
UK II(1)G [Ex ia Ga] IIC, II(1)D [Ex ia Da] IIIC -
SIL
2
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Panel mounting
field