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TA2 Scheda tecnica(PDF) 9 Page - Magnetrol International, Inc. |
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TA2 Scheda tecnica(HTML) 9 Page - Magnetrol International, Inc. |
9 / 12 page 9 General Description: The Magnetrol TG1/TG2 switch is the industry’s only two-wire, intrinsically-safe thermal dispersion switch. The switch consists of a probe and preamplifier with remote DIN rail electronics. Barriers in the DIN rail enclosure provide a two-wire, intrinsically-safe circuit to the probe/preamplifier. Product Operation: The preamplifier converts the temperature difference to a pulse signal which is super-imposed on the two wires providing power to the sensor. The DIN rail electronics provide operation control including set point adjustment, LED indication of flow/level, relay, fail-safe adjustment, and time delay. A non-linear mA output signal is available for diagnostics and repeatable flow/level indication. Features: DIN rail mounted electronics with built-in barrier provide a two-wire intrinsically-safe circuit to the probe/preamplifier Versatile switch for flow and level Set point adjustment at remote electronics Up to 1,650 feet (500 meters) cable length LED indication provides monitoring of actual flow/level mA output signal will provide repeatable indication plus can be used for diagnostics Uses all Thermatel probes including low flow body and high-temperature sensor Applications: Flow: Liquid or gas flow, pump protection, cooling air/water, relief valves, flow/no flow Level: Hi/Low level, high viscosity media, high solids content, aeration/foaming, hygienic applications, interface detection, high-temperature applications S P E C I F I C A T I O N S A P P R O V A L S Supply Voltage 24 VDC Relay 2-amp, SPDT relay Signal mA output, non-linear Fail-safe Switch selectable LED Indication 4 Green: Flow/Level is normal 1 Yellow: Flow/Level is near set point 1 Red: Alarm condition (TG1 only) Set-Point Adjustable via potentiometer Operating Temperature Sensor: -100° to +850° F (-70° to +450° C) Flow Range Insertion Probes Water: 0.01 – 5 fps (0.003 to 1.5 m/s) Air: 0.1 – 500 fps (150 m/s) THERMATEL TG1 Switch Two-Wire Intrinsically Safe Flow / Level / Interface Detection |
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