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Serie 21Zio

Product catalog summary

Overview: The Series 21Zio is a compact piezoresistive pressure transmitter featuring an IO-Link interface, designed for high long-term stability and versatile applications in automation, hydraulics, pneumatics, and the food industry.

Features: The transmitter includes an IO-Link interface compliant with IEC 61131-9, various process data formats, and can function as a pressure switch. It offers easy bus system connectivity via an IO-Link master.

Technology: It utilizes an insulated and encapsulated piezoresistive pressure sensor chip with a fully welded design, ensuring no internal seals and high-quality pressure transduction with mathematical compensation.

Specifications:

Accuracy: ±0.5% FS
Total Error Band: ±1.5% FS from -10 to 80°C
Pressure Ranges: 0 to 4 bar up to 0 to 1000 bar
Electrical Data: Operates on 8-32 VDC with a power consumption of less than 15 mA. It includes overvoltage and reverse polarity protection.
Mechanical Data: Constructed with stainless steel AISI 316L for pressure connections and diaphragms, with FKM external seals. It supports a medium temperature range of -20 to 125°C.

Performance: The device offers a resolution of 0.01% FS, a signal stability of 0.08% FS, and an internal measurement rate of 2500 Hz. It is vacuum resistant and provides a pressure range reserve of ±10%.

Environmental Conditions: The transmitter is rated IP67 for protection and can withstand vibrations up to 10 g and shocks up to 50 g.

Electrical Connections: It uses a standard M12x1 round plug and supports cable lengths up to 20 meters.

Accessories: Available accessories include mating plugs with various cable lengths.

Catalog excerpts

Series 21ZioPiezoresistive pressure transmitter in a compact design with lO-Link interfaceFeatures • lO-Link interface compliant with IEC 61131-9 • Various process data formats • Can be used as a pressure switch • Easy connection to the bus system via IO-Link master • High long-term stability • Insulated and encapsulated piezoresistive pressure sensor chip • Fully welded design with no internal seals • High-quality pressure transducer and tried-and-tested mathematical compensation • Automation technology • Food industry • Industrial applications Accuracy ± 0,5 %FS Total error band ±1,5 %FS @ -10...80 °C Pressure ranges 0.4 bar to 0.1000 bar Subject to alterations [email protected] Find your local contact at keller-pressure.com

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Series 21Zio - SpecificationsStandard pressure ranges Absolute pressure Subject to alterations [email protected] Find your local contact atlkeller-pressure.com

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Series 21Zio - SpecificationsElectrical data Connectivity Electromagnetic compatibility Subject to alterations [email protected] Find your local contact atlkeller-pressure.com Page 3 of 6

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Series 21Zio - SpecificationsMechanical data Wetted parts Subject to alterations [email protected] Find your local contact atlkeller-pressure.com

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Series 21Zio - Dimensions and variantsElectrical connections Round plug Customised configurations on request • Other compensated pressure ranges • Other compensated temperature ranges within -40...125 °C • Preconfigured transmitter (e.g. for direct use as pressure switch) • O-Rings made of other materials • Other oil filling types for pressure transducers • Integration of application-specific calculations • Modifications to customer-specific applications • Series 23SZio: Piezoresistive pressure transmitters for elevated requirements with IO-Link interface • Series 21Y: Piezoresistive pressure...

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• Angled socket, cable 2 m PN 602015.0018 • Female connector, cable 2 m PN 602015.0017 • Female connector, cable 5 m PN 602015.0035 Subject to alterations [email protected] Find your local contact atlkeller-pressure.com Page 6 of 6

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