VisiFerm DO ECS 225 H0

Part # 243666-231

The VisiFerm DO ECS 225 H0 optical dissolved oxygen sensor offers a simple way to upgrade from traditional polarographic sensors. The sensor measurement principle offers increased accuracy and reduced maintenance while the ECS (Electrochemical Signal) output can be directly input into controllers and transmitters that accept the traditional nano-amp signal of a polarographic oxygen sensor.

The next generation VisiFerm drastically reduces calibration frequency and has a higher robustness. Learn more about the new sensors:

SEE VISIFERM RS485 SENSORS

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Product discontinued, contact us for more information.

VisiFerm DO ECS (discontinued) Details

The VisiFerm DO ECS optical dissolved oxygen sensor offers a simple way to upgrade from traditional polarographic sensors. The sensor measurement principle offers increased accuracy and reduced maintenance while the ECS (Electrochemical Signal) output can be directly input into controllers and transmitters that accept the traditional nano-amp signal of a polarographic oxygen sensor.

The next generation VisiFerm drastically reduces calibration frequency and has a higher robustness. Learn more about the new sensors: 
Introducing VisiFerm RS485

VisiFerm DO ECS 225 H0 Specifications

Print
Process Connection PG13,5
Wetted Parts Stainless Steel 1.4435
EPDM (Ethylene propylene elastomer)
VMQ (Silicone elastomer)
See compliance details in Material Specification document
Electrical Connector VP8
Sensor Output ECS (Traditional: nA)
Measuring Range 4 ppb to 25 ppm (DO) 0 to 62.85 %-vol or 0 to 300 %-sat
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 DO: mbar; %-sat; %-vol; µg/l; mg/l; ppb/ppm (dissolved oxygen); Temperature: °C, °F, K
Surface Quality of Steel Ra < 0.4 µm (N5)
Analog Interface 1 ECS / 4 to 20 mA
Digital Interface RS485 Modbus (max. 32 addresses)
Baud Rate 4800, 9600, 19200, 38400, 57600, 115200 Bd
Operating Voltage 7 to 30 VDC max. 1 W
Serial Number Yes
Response Time t98% < 30 s at 25 °C
Certificate Yes, with parameter settings and materials used
ATEX Approval No
IECEx Approval No
Diameter 12 mm
Autoclavable Yes, max. Temperature 130 °C
Steam Sterilizable Yes, max. Temperature 140 °C
CIP Yes
Operating Temperature Range -10 to 140 °C; the sensor provides no DO reading above 85 °C
Pressure Range bar g -1 to 12 bar
Required Flow None
a-length 215 mm
Sensor Cap ODO Cap H0

VisiFerm DO 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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FAQ

What is the accuracy of my Visiferm DO Sensor?

The Visiferm DO has accuracy specifications based upon the range of oxygen being measured. Click to see the Knowledgebase article for more information.
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FAQ

Why should I upgrade my optical DO sensor to VisiFerm RS485?

The VisiFerm RS485 has new electronics offering end users a more robustness and higher performing sensor all while being compatible within existing installations by keeping the same total sensor length. Improved functionalities allow for more accurate calibrations along with diagnostics features such as cap and sensor quality indicators.
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FAQ

Can I use a VisiFerm, VisiPro, or VisiTrace for gas phase oxygen measurements?

Yes. Optical DO sensors can be used for monitoring oxygen contents in air as well as dissolved oxygen.

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

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Article

VisiFerm ECS Versus DO Arc Sensor Outputs

Hamilton offers two different interfaces for the VisiFerm optical DO sensors. Learn the differences between ECS and RS-485 sensors.
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