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Named for their shape, bell jars are generally used to form and contain a vacuum. Bell jars are placed on a base that is connected to a vacuum pump hose and the contained air is removed by suction. Bell jars are designed to withstand the pressures associated with such vacuums.
The Edwards Signaling Fire Bell is a 20 to 24 volt DC powered fire alarm bell with a loud, penetrating sound. It has a rugged steel housing finished in red enamel and operates on continuous voltage. The bell produces a sound output of 84 to 88 decibels at 10 feet. It is weatherproof and suitable for indoor or outdoor use. The bell measures 5 inches high by 5 inches wide.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More
The Edwards Signaling Fire Bell is a 20 to 24 volt DC powered fire alarm bell with a loud, penetrating sound. It has a rugged steel housing finished in red enamel and operates on continuous voltage. The bell produces a sound output of 84 to 88 decibels at 10 feet. It is weatherproof and suitable for indoor or outdoor use. The bell measures 5 inches high by 5 inches wide.
Encompass Procurement Services Non-distribution item offered as a customer accommodation; additional freight charges may apply. Learn More
Use Thermo Scientific™ Nalgene™ Replacement Plate for Vacuum Chambers with Nalgene Vacuum Chambers (5305-series), Nalgene Replacement Bell Jars (DS5320 Series), or with glass bell jars up to 12.5 in. (31.75cm) in diameter. Plate is molded of white polycarbonate, with neoprene gaskets.