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Echotel® Model 961/962
Ultrasonic Level Switches
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Echotel Models 961 and 962 have been engineered to meet the increasing demands for compliance with safety systems and overfill protection.
Model 961 offers the ultimate solution to reliable single point liquid level measurement while the Model 962 offers the same reliable solution in a dual point configuration.
These advanced switches provide superior performance in difficult process conditions and excellent immunity from sources of electrical noise interference.
Literature
Additional Tools:
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Measurement Principle:
High frequency 2 MHz ultrasonic pulses are transmitted across a transducer gap in the presence of a liquid medium, but are attenuated when the gap is dry.
Features:
- Single or dual point level measurement
- Diagnostic mode provides unsurpassed self-test of electronics, transducer, piezoelectric crystals, and electromagnetic noise
- Adjustable time delay
- Relay output or mA current shift with separate malfunction indication
- Extensive FM, CSA, and ATEX approvals
- Suitable for SIL 2 loops
Applications:
- High level alarm
- Low level alarm
- Overfill protection
- Pump protection
- Seal pot level
- Pump control
Options:
- Integral or remote electronics
- Actuation lengths to 130 inches (330 centimeters)
- NPT, BSP or flange mounting
- Transducers available in stainless steel, Hastelloy-C, Monel, Kynar and CPVC
Last Update: 9/14/2009
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