Transmitter DULCOMETER DMTa
The transmitter DULCOMETER DMTa converts the sensor signals for pH, ORP value, chlorine concentration and conductivity into an interference-insensitive 4-20 mA analogue signal. Flexible, safe and always the optimum resolution of measured value.
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.
- 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
- Wastewater treatment
- Power station technology
- 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
pH - 1.00 … 15.00
0.006 … 12.0/cm for conductivity
0.5% from measurement range
mV terminal (pH, ORP); input resistance > 5 x 1011 Ω
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
Max. current loop
2-wire transmitter, 16... 35 V DC, nominal 24 V
PROFIBUS DP (wall-mounted only)
Min. ambient temperature
Max. ambient temperature
Relative humidity up to 95% (non-condensing)
IP 65 (wall-mounted, pipe-mounted)
Downloads for Transmitter DULCOMETER DMTa
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