Transmitter DULCOMETER DMTa

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Product description

The compact 2-wire transmitter – the link to the PLC and DULCOMETER.

The 2-wire transmitter DMTa converts the following sensor signals into an interference-insensitive 4-20 mA analogue signal: pH, ORP, temperature, chlorine and conductivity.

It is fed via the 2-wire analogue input of a PLC or via a 2-wire analogue input of a ProMinent controller. The 4-20 mA analogue current proportional to the measured value is transmitted via the same two lines.

The DMTa offers an on-site calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary option of the sensor and galvanic separation between the sensor input and measured value output.

Your benefits

Flexibility in the choice of measured variable with pH, ORP and temperature
Excellent operational safety, thanks to sensor monitoring (pH)
Galvanic isolation between the sensor and supply
Always the optimum measured value resolution by auto-ranging with conductivity measurement
Safety through sensor monitoring of pH for glass breakage and line breakage
Various installation options: wall-mounted, installation on an upright or in a control cabinet

Field of application

The following list of applications are general examples of generally suitable applications for this product. Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

Process engineering
Food and beverage industry
Pharmaceuticals
Wastewater treatment
Power station technology

(Pre-)Oxidation of Potable Water

(Pre-)oxidation binds harmful substances in potable water

(Pre-)oxidation improves water quality by eliminating many harmful substances and improving appearance, odour and taste. No one wants to drink brown water.

(Sand) Filtration for Potable Water

Filtration removes solids from the water

Unwanted particles and turbidity are removed from the water by sand or membrane filtration. An even more effective process is to filter using upstream flocculation or precipitation. Added substances allow smaller particles to become larger, so dissolved substances can flocculate.

Desalination of Seawater and Brackish Water

Obtaining additional potable water with desalination

Drinkable water is scarce. Only a fraction of all the world's water can be consumed. So the ability to treat brackish water and seawater is of interest to many countries and islands.

Stabilisation of Potable Water

Stabilisation makes water ready for transport

After the water has been treated, its quality should not change. Stabilisation maintains the quality of the water during distribution and use.

Disinfection of Potable Water

Germ-free potable water thanks to disinfection

As an essential nutrient, water must satisfy very strict quality controls. ProMinent offers sophisticated disinfection technology that reliably removes viruses, bacteria and microorganisms.

Cleaning fruit and vegetables

Simple and reliable cleaning process for agricultural products

Fresh fruit and veg are an essential part of our diet. So it's very important for them to reach the consumer in a safe condition. Precise metering of chlorine dioxide ensures that this is the case.

Fish processing, fish and shrimp farming

Successful farming and hygienic processing

More and more people are enjoying delicacies from our seas. Fish farms and also the fish processing industry therefore face the huge challenge of producing goods quickly and hygienically. Disinfected water is essential to both industries.

Large bakeries

Baking with reproducible quality

A large share of the bakery products we consume today are manufactured by machine. Producing goods that taste just right requires precise metering of the individual ingredients.

Measured variables: pH, ORP, chlorine, temperature and conductivity
Precision: 0.5 % of the measuring range limit value
Correction variable: Temperature via Pt 100/Pt 1000 (pH, chlorine, conductivity)
Communication interface: PROFIBUS DP (wall-mounted only)
Degree of protection: IP 65 (wall-mounted, pipe-mounted), IP 54 (installation in a control cabinet)
Display: Graphic display

Technical Data


Measuring range	pH - 1.00 … 15.00 -1200 … +1200 mV redox potential 0.01 … 50.0 mg/l Chlorine -20 … +150 °C 1 µS/cm … 200 mS/cm (auto-ranging), depending on the cell constant
Cell constant	0.006 … 12.0/cm for conductivity
Resolution	0.01 pH 1 mV 0.1 % of measuring range for chlorine 0.1 °C Conductivity 1/1000 of display value (min. 0.001 μS/cm)
Accuracy	0.5% from measurement range
Measurement input	mV terminal (pH, ORP); input resistance > 5 x 10¹¹ Ω Chlorine terminal (DMT chlorine sensors) Pt 100/1000 terminal Conductivity terminal (2 or 4-line connection)
Correction variable	Temperature via Pt 100/1000 (pH, chlorine, conductivity)
Correction range temp.	Chlorine: 5 … 45 °C, pH: 0 … 100 °C, conductivity: 0 … 100 °C
Min. current loop	4 mA
Max. current loop	20 mA
Fault current	23 mA
Feed voltage	2-wire transmitter, 16... 35 V DC, nominal 24 V PROFIBUS DP design, 16... 30 V DC, 24 V nominal
Communication interface	PROFIBUS DP (wall-mounted only)
Min. ambient temperature	0 °C
Max. ambient temperature	55 °C
Climate	Relative humidity up to 95% (non-condensing)
Enclosure rating	IP 65 (wall-mounted, pipe-mounted) IP 54 (installation in a control cabinet)
Display	graphical display
Housing material	PPE
Dim. H	135 mm
Dim. B	125 mm
D dimension	75 mm
Weight	0.45 kg

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Overview

The compact 2-wire transmitter – the link to the PLC and DULCOMETER.

The 2-wire transmitter DMTa converts the following sensor signals into an interference-insensitive 4-20 mA analogue signal: pH, ORP, temperature, chlorine and conductivity.

Your benefits

Flexibility in the choice of measured variable with pH, ORP and temperature
Excellent operational safety, thanks to sensor monitoring (pH)
Galvanic isolation between the sensor and supply
Always the optimum measured value resolution by auto-ranging with conductivity measurement
Safety through sensor monitoring of pH for glass breakage and line breakage
Various installation options: wall-mounted, installation on an upright or in a control cabinet

Application

Technical Data

Downloads

Contact us

Wesley Sutton

Managing Director, ProMinent Fluid Controls UK Ltd.

+44 1530 560 555
Send request

»We are always available to help. Don't hesitate to contact us.«

+44 1530 560 555 Send request

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Transmitter DULCOMETER DMTa

Product description

The compact 2-wire transmitter – the link to the PLC and DULCOMETER.

Your benefits

Field of application

(Pre-)Oxidation of Potable Water

(Sand) Filtration for Potable Water

Desalination of Seawater and Brackish Water

Stabilisation of Potable Water

Disinfection of Potable Water

Cleaning fruit and vegetables

Fish processing, fish and shrimp farming

Large bakeries

Technical Details

Technical Data

Downloads for Transmitter DULCOMETER DMTa

Selected filters:

Matching downloads

Unfortunately, we did not find an appropriate match.

Service Unavailable

Overview

The compact 2-wire transmitter – the link to the PLC and DULCOMETER.

Your benefits

Application

Field of application

(Pre-)Oxidation of Potable Water

(Sand) Filtration for Potable Water

Desalination of Seawater and Brackish Water

Stabilisation of Potable Water

Disinfection of Potable Water

Cleaning fruit and vegetables

Fish processing, fish and shrimp farming

Large bakeries

Technical Data

Technical Details

Technical Data

Downloads

Downloads for Transmitter DULCOMETER DMTa

Selected filters:

Matching downloads

Unfortunately, we did not find an appropriate match.

Service Unavailable

Contact us

Wesley Sutton

Matching Products

Solenoid-Driven Metering Pump beta

Peristaltic Pump DULCOFLEX DF2a

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Measuring and control system DULCOMARIN 3

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