A laboratory thermostat for controlling the temperature of a liquid bath

A laboratory thermostat has an early warning system with an electronic regulating/safety device 5 for monitoring the lower level of the liquid in the bath vessel and an evaluating device at least for a visual and/or acoustic warning signal which may be emitted while the temperature control process c...

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Bibliographische Detailangaben
1. Verfasser:	GERHARD JUCHHEIM
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A laboratory thermostat has an early warning system with an electronic regulating/safety device 5 for monitoring the lower level of the liquid in the bath vessel and an evaluating device at least for a visual and/or acoustic warning signal which may be emitted while the temperature control process continues. The level of the liquid is monitored by a float 10 with electrical switching elements 11, 12. Switching element 12, when activated, serves to provide an early warning that the liquid level in the vessel is getting low, and emits a warning via buzzer 6 to alert a user of the thermostat to top-up the vessel with liquid.