Thermo Scientific™ Refrigerator and Freezer Alarms

Meet specific application needs with these refrigerator and freezer alarms, offered in a variety of styles.

Catalog Number	Mfr. No.	Description
13-992-91	Thermo Scientific™ 6903	Alarm Delay Module

Description

Meet specific application needs with Thermo Scientific™ Refrigerator and Freezer Alarms, optional alarms for lab refrigerators and freezers. These alarms are available in a variety of styles.

Alarm Delay Module

• Eliminates nuisance alarms due to intermittent voltage flux from lightning or brief power outages
• Adjustable delay releases signal to alarm/monitoring system only when alarm condition continues for specified time period
• Digital timer can be set from 0 to 30 minutes
• The TIMING LED blinks green when the monitored Alarm Contact Input is in its normal condition and yellow when the switch is in its alarm condition.  After the user-programmable delay time has been reached, the ALARM LED will blink red and sound the audible alarm
• Signals chronic alarm conditions that may indicate impending component failure; allows time for inspection or corrective maintenance
• Inserts variable time interval between detection of alarm condition and transmission of signal
• Includes accurate digital timing circuit adjustable from 0, 0.5, 1, 5, 10, or 30
• Operates independent of line power; built-in battery and alarm test uses customer-supplied 9V battery
• Overall dimensions, 1.62L x 2.5W x 4.75 in. H (1.6 x 6.4 x 12.1cm)

 

Deluxe Electronic Remote Alarm System

• Can be programmed to sound an alarm in the event of a temperature increase or power failure. 120V/60Hz
• Alarm can dial up to four telephone numbers
• Signals an alarm condition across any telephone system that accepts pulse dialing
• One system can monitor up to four individual freezers or up to three groups of freezers
• Requires dedicated phone line

Not for sale in countries that require a CE mark

Electronic Local Alarm Systems

• Use with high-performance lab refrigerators and freezers
• Freestanding system includes keyed ON/OFF alarm switch, audible and visual alarms for power failure and temperature deviation, audio silence button, and alarm test button
• Painted metal cabinet with digital temperature display and keyed alarm switch
• Must be customer installed

Standard Remote Alarm System

• Use with general-purpose freezers and refrigerators; chromatography refrigerators equipped with accessory electronic local alarm system; and ultralow-temperature freezers
• Can be located up to one-third mile from unit and used with either normally open or normally closed contacts
• Emits both audible and visual signal in the event of power failure or temperature deviation
• Wire not included
• For 115V
• Requires factory-installed alarm system
• Warranty varies by country, please contact us for details

Specifications

• Type: Refrigerator and Freezer Alarm
• Exterior Finish: Painted
• For Use With (Equipment): Thermo Scientific™ Refrigerators and Freezers
• Defrost: Manual
• Voltage: 120 V

• Cabinet Material: Metal
• Certifications/Compliance: CE
• Warranty: Warranty varies by country, please contact us for details
• Monitoring Options: Alarm