Echotel® 910 OEM Ultrasonic Level Switch

• Measures level within 0.25" (6 mm) from the end of the tip-sensitive transducer
• 10 amp DPDT gold flash or 5 amp DPDT hermetically-sealed relay
• Field selectable failsafe
• FM, CSA and ATEX approval for hazardous locations
• No calibration required
• 316 stainless steel transducer

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Echotel® 940/941 Compact Low Cost Ultrasonic Level Switches

• Pulsed electronics for excellent performance in difficult process conditions and superior immunity from sources of electromagnetic noise
• Advanced transducer design provides reliable operation by draining viscous liquids and ignoring foam in turbulent applications
• Suitable for SIL (Safety Integrity Level) 2 loops (FMEDA analysis data available)
• Extremely compact unit is easily installed in areas where access space is limited
• No calibration or configuration necessary
• 1 amp SPDT relay output (940), 8/16 mA current shift output (941)

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Echotel® 960 AS-Interface®

• Patent pending technology provides unsurpassed reliability and testing of electronics, transducer, piezoelectric crystals, and electromagnetic noise
• Adjustable time delay for turbulent aerated liquids
• Tip-sensitive transducer measures level within 1/4" of the vessel bottom
• Pulsed signal technology provides superior performance in difficult process conditions
• AS-i output reduces cabling costs and simplifies installation.

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Echotel® 961 Full Featured Single Point Ultrasonic Level Switch

• No calibration
• Loop current or relay output
• Advanced diagnostics: sensor, electronics and electrical noise interference
• LED indication for alarm status and error
• Pushbuttons for manual testing of output
• Metal and plastic sensors

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Echotel® 962 Full Featured Dual Point Ultrasonic Level Switch

• Adjustable time delay for turbulent aerated liquids
• Pulsed signal technology
• Extensive FM, CSA and ATEX explosion proof and intrinsically safe approvals
• Suitable for Safety Integrity Level (SIL) 2 loops

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Thermatel® TD1/TD2 Flow/Level/Interface Switches

• Temperature compensated to provide repeatable alarm under varying process temperatures
• Continuous diagnostics detect sensor fault
• Non-linear mA output signal can be used for trending, diagnostics and repeatable flow/level indication
• Detects minimum flow or presence / absence of flow
• Easy / fast calibration
• Excellent low flow sensitivity

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Thermatel® TG1 Two-Wire IS Thermal Dispersion Switch

• LEDs provide visual flow indication
• 24 VDC input power
• mA output signal for diagnostics and repeatable flow/level indication
• Adjustable set point and time delay
• SPDT Alarm relay

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