VisiFerm RS485-ECS 225 H0

Part # 10118255-1311

The VisiFerm RS485-ECS optical dissolved oxygen sensor has integrated opto-electronics for full measuring device functionality and self-diagnostics. This DO probe is ideal for rigorous biotechnology, biopharmaceutical, and food & beverage applications.

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VisiFerm RS485-ECS Details

VisiFerm RS485-ECS dissolved oxygen sensors are a simple way to upgrade from traditional polarographic sensors as they communicate via Modbus, ECS, and 4-20 mA (via Arc Wi 2G Adapter). This optical DO probe directly connects to process control systems (PCS) without external transmitters. 

Unlike conventional amperometric or electrochemical dissolved oxygen sensors, VisiFerm RS485-ECS offers flow independence, rapid startup with no polarization time, less maintenance, and no nA noise. Communication with the VisiFerm DO sensor and ArcAir software can be accomplished through Bluetooth wireless or a standard wired connection to a PC or laptop.

Common applications Pharma & Biopharma, Bioprocess Downstream, Bioprocess Upstream, Water, Energy, & Environment, Water and Wastewater

Reliable, low-maintenance, contamination-free, and stable oxygen monitoring.

Instant startup and real-time oxygen monitoring in fast-paced industrial applications.

Rapid, reliable decision-making and process safety through direct PCS integration.

Low-Maintenance, Reliable Dissolved Oxygen Sensor

  • No mechanically sensitive membrane or corrosive electrolyte to replace.
  • Reduced maintenance frequency and extent compared to traditional amperometric sensors.
  • Self-diagnostics enhance reliability and minimize downtime.

Communication Flexibility

  • Directly connects to process control systems without the need for a transmitter.
  • Simple to upgrade from traditional polarographic dissolved oxygen monitoring.
  • Communicates via Modbus, ECS, and 4-20 mA.
  • Data flows between VisiFerm RS485 DO sensor and ArcAir software via Bluetooth wireless or wired connection to a PC or laptop.
Scientific Citations

  • We particularly appreciated the professional and personable approach.

    The training on pH sensors was highly beneficial for us. After a detailed introduction to the fundamentals of pH measurement, electrode measurement principles, and the topic of troubleshooting/prevention, we had sufficient time to ask our specific questions. This enabled us to apply what we learned immediately and integrate it directly into our laboratory routine. We particularly appreciated the professional and personable approach of Mrs. Näf-Rüdiger, who guided us through the informative and application-oriented training session.

    Romy Alisch
    Scientist, Novozymes Berlin GmbH, Germany

  • I could not be more pleased with my experience with Hamilton!

    My company has been using Hamilton probes for years and have always been happy with their performance! The team is always very helpful in trouble shooting issues and answering any questions that we may have about our probes. Overall, I could not be more pleased with my experience with Hamilton!

    Abigail Mann
    Bioprocessing Fermentation Associate at Heliae Development

  • The sensors allowed us to improve the end product.

    We have high quality standards and are convinced that Hamilton is able to meet them with its oxygen sensors. We use the oxygen sensors throughout the entire area of ​​beer production and bottling. The sensors allowed us to improve the end product. Hamilton's support is excellent at all times.

    Marco Punke
    Team leader for technology and QM/UM, Princely Fürstenbergische Brewery GmbH & Co. KG

VisiFerm RS485-ECS 225 H0 Specifications

Print
Process Connection PG13,5
Sensor Family VisiFerm RS485
Wetted Parts Stainless Steel 1.4435
EPDM (Ethylene propylene elastomer)
VMQ (Silicone elastomer)
See compliance details in Material Specification document
Electrical Connector VP8
Parameter DO (Optical)
Sensor Output Arc: Modbus, 4-20 mA (only via Arc Wi 2G Adapter), ECS
Measuring Range 4 ppb to 25 ppm (in liquid)
100 ppm to 600'000 ppm (in gas)
0.01 - 62.85 %-vol or 0.05 to 300 %-sat
0.1 to 625 mbar (pO2)
At 25°C and 1013 mbar total gas pressure
Electrolyte None
Accuracy at 25 °C 1 ± 0.05 %-vol; 21 ± 0.2 %-vol; 50 ± 0.5 %-vol
Drift at Room Temperature < 1 % per week
Oxygen Consumption None
Temperature Sensor NTC 22 kOhm
Configurable Values Dissolved oxygen (DO): mbar, %-sat, %-vol, μg/l ppb, mg/l ppm, ppm gas; Temperature: °C, °F, K
Surface Quality of Steel Ra < 0.4 µm (N5)
Analog Interface ECS
Digital Interface RS485 Modbus (max. 32 addresses)
Baud Rate 4800, 9600, 19200, 38400, 57600, 115200 Bd
Operating Voltage 10 to 27 VDC max. 1.5 W
Serial Number Yes
Certificate Yes
ATEX Approval No
IECEx Approval No
Diameter 12 mm
Autoclavable Yes
Steam Sterilizable Yes, max. Temperature 140 °C
CIP Yes
Operating Temperature Range -20 to 140 °C; the sensor provides no DO reading above 85 °C
Pressure Range bar g -1 to 12 bar
Protection Rating IP68
Required Flow None
Compliance details See Material Specification document
a-length 215 mm
Sensor Cap ODO Cap H0
Response Time t98% < 30 s at 25 °C

Compatibility with Hamilton Devices

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VisiFerm RS485-ECS 225 H0 Resources

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

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Arc Sensors - Signal Averaging

Certain applications may introduce conditions that create fluctuating or "noisy" measurements. The noisy measurement can make process control challenging. One way to improve signal stability is to adjust the moving average setting using ArcAir software.
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Article

Changing Caps on Optical Dissolved Oxygen Sensors

Optical oxygen sensors such as the VisiFerm require periodic cap replacement to maintain proper measurement accuracy. This article discusses the procedure to do this.
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Article

Connecting Optical DO Sensors

Optical DO sensors require special consideration due to the fact that power is required to perform the measurement. This article examines several scenarios on how to connect these products.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

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FAQ

How should I store my optical dissolved oxygen sensor?

Optical DO sensors should be stored in a clean, dry environment prior to use. Avoid prolonged exposure of the inside cap to ambient light to minimize photodecomposition of the luminophore.
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FAQ

Will the VisiFerm RS485 hold up in a head-to-head comparison against the VisiFerm ECS or other DO sensors?

The VisiFerm RS485 with ODO caps H3/H4 will provide a longer lifespan with less calibrations when compared to the VisiFerm ECS with ODO caps H0/H2 , any electrochemical DO sensor, and any other Hamilton optical DO sensor with ODO caps H0/H2. VisiFerm RS485 provides a direct replacement for the VisiFerm ECS.
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FAQ

Does salinity impact my DO measurement?

Yes, salinity of a solution generally has an inverse relationship to the dissolved oxygen content within the solution. Arc sensors can have the salinity value of the liquid added in to correct the measurement by using ArcAir.
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