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Siemens 7ML1106-1AA20-0A: EchoMax XRS-5 Ultrasonic Sensor

Siemens 7ML1106-1AA20-0A: EchoMax XRS-5 non-contact ultrasonic level transducer.

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ManufacturerSiemens

Part number7ML1106-1AA20-0A

Range 8m (26ft)

Mounting Thread 1" NPT (Taper, ANSI/ASME B1.20.1)

Cable Length 5m (16.40ft)

Facing Standard (CSM rubber)

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Continuous, non-contact measurement 8m range 1" NPT thread 5m cable length CSM rubber facing Extensive hazardous location approvals

Product description

The Siemens 7ML1106-1AA20-0A is an EchoMax XRS-5 ultrasonic level transducer designed for continuous, non-contact measurement of liquids and slurries. It features a measurement range of up to 8 meters (26 ft). This model includes a 1" NPT (ASME B1.20.1) taper mounting thread and a 5-meter (16.40 ft) cable. The facing material is standard CSM rubber. It is supplied without a mounting flange.

This transducer is built for high-reliability performance in a wide variety of challenging industrial environments, including those with explosive atmospheres. It boasts extensive hazardous location approvals, such as CSA Class I/II Div. 1, FM Class I/II/III Div. 1, ATEX Zone 1, and IECEx, ensuring safe operation across global standards.

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Technical specifications

Range	8m (26ft)
Mounting Thread	1" NPT (Taper, ANSI/ASME B1.20.1)
Cable Length	5m (16.40ft)
Facing	Standard (CSM rubber)
Approvals	CSA Class I Div 2, Class II Div 1; FM Class I Zone 1, Class II/III Div 1; ATEX II 2GD Ex mb/tb; IECEx Ex mb/tb; UKEX Ex mb/tb; INMETRO Ex mb/tb; CE, UKCA

Common applications

Chemical processing

Water and wastewater

Oil and gas

Food and beverage

Bulk solids

Hazardous areas

Compatible systems

General purpose industrial control systems PLC and DCS systems Hazardous area installations

Also known as

Siemens EchoMax XRS-5 7ML1106-1AA20-0A sensor Siemens ultrasonic level transmitter

Replaces / compatible with

This transducer is designed to replace previous Siemens EchoMax models and other non-contact ultrasonic level sensors in hazardous location applications.

Technical note

Expert tip

The 5-meter cable is ideal for installations where the transducer is mounted close to the vessel or equipment.

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Frequently asked questions

What temperature range is the Siemens 7ML1106-1AA20-0A rated for?

The Siemens 7ML1106-1AA20-0A has an operating ambient temperature range (Ta) of -20°C to +65°C for Ex mb (flameproof) applications and up to +85°C for Ex tb (dust) applications. This broad range allows for use in diverse environmental conditions.