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DULCOTEST SurfaceGuard sensor for biofilm and scaling

Coating thickness measurement in the range of 0–200 µm
Response time: adjustable between 15 min and 2 h

DULCOTEST SurfaceGuard detects biofilms and inorganic deposits on process surfaces in real time. Its innovative heat transfer measurement principle detects even the thinnest layers in the micrometer range. This enables representative measurements as well as the targeted, timely, and efficient control of cleaning and dosing processes.

Product description

Reliable protection against biofilm and scaling through real-time monitoring

DULCOTEST SurfaceGuard is an innovative measurement system for real-time monitoring of deposits on process surfaces. The measurement system consists of a sensor and a transmitter that allows the sensor to be configured.

The innovative use of two sensors with differently configured surface temperatures enables a precise distinction between biofilms and inorganic deposits. This paves the way for targeted, automated, and needs-based measures such as the efficient dosing of biocides or antiscalants—for optimal process control and sustainable, low-chemical operation.

By emulating rheological and thermodynamic surface properties, DULCOTEST SurfaceGuard enables precise film thickness measurement of a wide variety of deposits across diverse industrial applications. This ensures representative monitoring of process surfaces—for maximum safety and efficiency.

Thanks to permanent factory calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary, the system remains consistently precise and low-maintenance—calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary is not required even after cleaning. This significantly extends maintenance intervals and noticeably reduces operating costs. Continuous measurement allows for seamless monitoring of process efficiency, such as heat transfer in heat exchangers, enabling performance losses to be detected early and their effects minimized.

Your benefits

  • Reduces energy costs by ensuring the efficiency of industrial systems
  • Enhances process reliability through reliable real-time measurement of biofilms and scaling in the micrometer range
  • Enables targeted and effective measures because biofilm and inorganic deposits are clearly distinguished
  • Provides representative measured values by emulating the process surfaces to be monitored, enabling optimal control of water treatment processes
  • Identifies process changes early, before they negatively impact performance or hygiene
  • Reduces maintenance effort and downtime, as no time-consuming recalibration is required

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.

  • Power Generation: Monitoring Biofilms and Scaling in Open Cooling Circuits and Control of Countermeasures
  • Food & Beverage:
    • Cleaning-in-Place (CIP) Process: Monitoring the cleaning of product-carrying pipework and tanks. Control of corrective measures
    • Monitoring scaling in sugar production
  • Drinking Water Production: Monitoring of biofilms and scaling in reservoirs and distribution networks
  • Pulp & Paper: Monitoring of biofilms in production and control of measures
  • Mining: Monitoring scaling in pipework|tubing and control of countermeasures
  • Plastics processing: Monitoring biofilm formation on products
  • Steel mills: Monitoring scaling in pipework|tubing and control of countermeasures
  • Marine Applications: Monitoring scaling and control of countermeasures
  • Refineries: Monitoring of biofilms and scaling, and control of countermeasures

    Technical Details

    • Coating thickness measurement in the range of 0–200 µm
    • Response time: adjustable between 15 min and 2 h
    • Biofilm measurement at a sensor temperature < 35°C
    • Measurement of inorganic deposits at a sensor temperature > 40°C
    • Emulation of the following process surface parameters:
      • Thickness of the surface material
      • Thermal conductivity of the surface material
      • Thermal conductivity of the coating
      • Process temperature at the process surface
    • The SurfaceGuard measurement systems include a V4A-grade installation kit for each sensor as standard for connecting the sensor to the process. To connect the sensor to a 1 1/2" PVC T-fitting (female, provided by the customer), the installation kit for the SurfaceGuard SGS1 PVC sensor (1182765) can be used.

    Technical data for the DULCOTEST SurfaceGuard sensor

    Measured variable

    Coating thickness

    Measuring range

    0…200 μm

    Measuring accuracy

    ±5 μm

    pH-range

    1…13 (V4A design)
    2 … 13 (PVC design)

    Medium temperature

    0 … 120 °C (V4A design)
    0 … 60 °C (PVC design)

    Max. pressure

    3.0 bar, 6.0 bar with safety device

    Min. flow

    0.4 m/s

    Materials in Contact With the Medium

    Titanium, PEEK

    Supply voltage

    using the DULCOTEST SurfaceGuard Transmitter

    Heating power

    50 W

    Electrical Connection

    5 m fixed cable

    Process integration

    Inline via a 1 1/2-inch stainless steel adapter to a 1 1/2-inch stainless steel T-fitting (female, provided by the customer), horizontal. Optionally, the sensors can be connected inline via the 1 1/2-inch PVC installation kit (1182765) to a 1/2-inch PVC T-fitting (female, provided by the customer).

    Enclosure rating

    IP 66

    Shaft diameter

    32 mm

    Shaft length

    300 mm

    Sensor area

    2.5 cm²

    Technical data for the DULCOTEST SurfaceGuard Transmitter

    Voltage supply

    EU-Version: 230 V AC ± 10%, 50 Hz
    US-Version: 115 V AC ± 10%, 60 Hz

    Connected load

    125 W

    Inputs and outputs

    Inputs:
    2 x inputs for DULCOTEST SGS1 sensors
    2 x 4…20 mA (configurable via the web interface)
    Outputs:
    4 x 4…20 mA (configurable via the web interface)

    Communication interface

    LAN (Ethernet) on the Web Interface

    Enclosure rating

    IP 65

    Ambient temperature

    -10 ... +40 °C

    Relative Air Humidity

    5 … 95% (non-condensing)

    Degree of contamination

    Pollution Degree 3 (according to EN 61010-1)

    Elevation

    up to 2,000 m above sea level

    Dimensions H x W x D

    173 x 300 x 96 mm

    Order no.

    SurfaceGuard Kit: Measurement System with 1 Sensor (230 V) and V4A Sensor Adapter

    1166246

    SurfaceGuard Kit: Measurement System with 2 Sensors, 230 V, with V4A Sensor Adapters

    1166247

    SurfaceGuard Kit: Measurement System with 1 Sensor (115 V) and V4A Sensor Adapter

    1182742

    SurfaceGuard Kit: Measurement System with 2 Sensors, 115 V, with V4A Sensor Adapters

    1182743

    Accessories

    Order no.

    SurfaceGuard Sensor SGS1

    1165058

    Installation Kit for SurfaceGuard Sensor SGS1 V4A

    1166237

    Installation Kit for SurfaceGuard Sensor SGS1 PVC

    1182765

    Modem, SurfaceGuard

    1166240

    Temperature Sensor, SurfaceGuard

    1166243

    Downloads for DULCOTEST SurfaceGuard sensor for biofilm and scaling

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    Overview

    Reliable protection against biofilm and scaling through real-time monitoring

    DULCOTEST SurfaceGuard is an innovative measurement system for real-time monitoring of deposits on process surfaces. The measurement system consists of a sensor and a transmitter that allows the sensor to be configured.

    The innovative use of two sensors with differently configured surface temperatures enables a precise distinction between biofilms and inorganic deposits. This paves the way for targeted, automated, and needs-based measures such as the efficient dosing of biocides or antiscalants—for optimal process control and sustainable, low-chemical operation.

    By emulating rheological and thermodynamic surface properties, DULCOTEST SurfaceGuard enables precise film thickness measurement of a wide variety of deposits across diverse industrial applications. This ensures representative monitoring of process surfaces—for maximum safety and efficiency.

    Thanks to permanent factory calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary, the system remains consistently precise and low-maintenance—calibration When a metering pump has been installed, the capacity in litres per hour has to be determined under ... more in the glossary is not required even after cleaning. This significantly extends maintenance intervals and noticeably reduces operating costs. Continuous measurement allows for seamless monitoring of process efficiency, such as heat transfer in heat exchangers, enabling performance losses to be detected early and their effects minimized.

    Your benefits

    • Reduces energy costs by ensuring the efficiency of industrial systems
    • Enhances process reliability through reliable real-time measurement of biofilms and scaling in the micrometer range
    • Enables targeted and effective measures because biofilm and inorganic deposits are clearly distinguished
    • Provides representative measured values by emulating the process surfaces to be monitored, enabling optimal control of water treatment processes
    • Identifies process changes early, before they negatively impact performance or hygiene
    • Reduces maintenance effort and downtime, as no time-consuming recalibration is required

    Application

    Technical Data

    Downloads

    Contact us

    ProMinent South Africa


    ZA-sales@prominent.com

    + 27 11 323 5000   
    ZA-sales@prominent.com Send request    

    »Please send us your request! We will contact you shortly.«

    + 27 11 323 5000  Send request   

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