Debra Medina Autoclave Sterilizer

Lab Refrigerator

How Are Laboratory Refrigerators And Laboratory Freezers Used?

You will generally buy laboratory refrigerators and laboratory freezers for scientific or medical reasons. When you need to keep sensitive or volatile materials at a certain temperature then you will need this essential piece of lab equipment. You would use laboratory refrigerators mainly to keep substances at temperatures between -5 degrees Celsius and 15 degrees Celsius while a laboratory freezer reaches temperatures as low as -15 to -25 degrees Celsius.

You will find a huge range of different laboratory refrigerators are available and that you will need to decide what the most important factors are which will affect your specific usage of the appliance. If you need to be able to frequently check on the materials then a glass door refrigerator is perfect. For smaller, compact labs, an undercounter refrigerator may be more practical with space constraints. Most of the lab refrigerators are designed to be safe and secure with locks and alarms systems which will protect any sensitive or volatile materials.

You will find that you are able to set a very specific temperature and control the climatic conditions inside the refrigerator from the outside. There is an outside switch which operates the inside light which makes it more energy efficient. By checking the materials in this way, you can be sure that you are not opening the door all the time which can compromise the conditions. You can always check the temperature by looking at the easy to read LED screens which are situated on the outside.

If you are purchasing a specific unit such as a blood bank refrigerator or plasma freezer then you will have to use them in a slightly different way. There are certain storage spaces for tubes and blood bags. By using the recording charts you will be able to constantly see any fluctuations or changes in the temperature of the unit. It is very important for you to know how to use these units properly so as not to compromise the quality of the substances.

Laboratory freezers are used for a variety of similar situations which may require even colder conditions than a refrigerator. These types of freezers are generally able to cycle between a heating period and a cooling period which is perfect for incubating cultures and sensitive substances. Low temp freezers are also available with special materials which allow them to flame proof and explosion proof. This allows substances which can be volatile to be stored safely within the units. Some substances can release sparks electrical sparks which can be flammable and cause further problems and contamination around the stored materials.

No matter how you use your particular lab freezer or laboratory refrigerator, you will find that there are specific designs and add-ons which allow you to use the unit for a variety of different scientific and medical reasons which require very controlled and exact circumstances.

About the Author

Dr. Bob Sandor is a Director at Tovatech, a leading North American supplier of laboratory refrigerator units. When not busy running his company he explores his fascination with the many aspects of various scientific & industrial devices. For more details on the above you can reach him through the lab and industrial refrigerator section of his site.

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Thermo Scientific Lab-Line General-Purpose Refrigerator/Freezer, 17.9 cu. ft., 120V/60Hz $2681 Features of the Thermo Scientific Lab-Line General-Purpose Refrigerator/Freezer: Freezer -20° to -12°C. 2 Adjustable Shelves, 4 Door Shelves. 17.9 cu. ft. total. Manual/Auto Defrost. CFC-Free. 120V 60Hz. UL/cUL listed.

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Fisher Scientific Isotemp Lab Refrigerator, 38 cu. ft with Recorder & Alarm $7082.57 Features of the Fisher Scientific Isotemp Lab Refrigerator: Adjustable temperatures from 1° to 12°C, with ±3°C average stability. Exterior-mounted 1/2 in. LED displays temperature with 1°C resolution. Automatic defrost. White enamel- or epoxy-coated steel cabinets. Lockable solid-steel doors have hinge mechanism that holds doors open at 95° angle, close with a gentle push. Thermopane glass doors provide easy access and visual inventory control; sliding doors require no swing-out space—a valuable benefit in high traffic or narrow areas. CFC-free (R134A) refrigerant. White epoxy, powder-coated steel wire shelves (up to 46.7 sq. ft.), adjustable on 1 in. (2.5cm) centers. Interior fluorescent lighting with exterior light switch standard on 27 cu. ft. (765L) and larger models. Keyed ON/OFF power switch. Four adjustable legs ensure cabinets are level on irregular floors. Microprocessor temperature control. Certifications: UL listed, CSA approved. Warranty: 13 months parts and labor. Seven-day Selectable Temperature Recorder with Alarm: Panel-mounted, factory installed. 6 in. dia. (15.2cm) chart size. User-selectable temperature ranges. Single-point calibration; individually calibrated against equipment with calibration certified traceable to NIST. Supplied with 60 charts and 7-day scale. Digital alarm display with minimum/maximum setpoints, audible alarm, and 24V, 0.5A SPST N.O. relay contacts. Product Specifications: Interior D x W x H: 25.5" x 41" x 55" (65 x 104 x 140cm). Number of Shelves: 8 half width. Exterior L x W x H: 31.5" x 44" x 78" (80 x 112 x 198cm). Net Weight: 421 lb. (191kg). Amps/Breaker: 11/15. 2 sliding glass lockable doors.

Fisher Scientific Isotemp Lab Refrigerator, 72 cu. ft $11660 Features of the Fisher Scientific Isotemp Lab Refrigerator: Adjustable temperatures from 1° to 12°C, with ±3°C average stability. Exterior-mounted 1/2 in. LED displays temperature with 1°C resolution. Capacities from 27 to 72 cu. ft. (765 to 2040L). Automatic defrost. White enamel- or epoxy-coated steel cabinets. Lockable solid-steel doors have hinge mechanism that holds doors open at 95° angle, close with a gentle push. Thermopane glass doors provide easy access and visual inventory control. CFC-free (R134A) refrigerant. White epoxy, powder-coated steel wire shelves (up to 46.7 sq. ft.), adjustable on 1 in. (2.5cm) centers. Interior fluorescent lighting with exterior light switch standard on 27 cu. ft. (765L) and larger models. Keyed ON/OFF power switch. Four adjustable legs ensure cabinets are level on irregular floors. Microprocessor temperature control. Certifications: UL listed, CSA approved. Warranty: 13 months parts and labor. Product Specifications: Interior D x W x H: 28.5" x 72" x 55" (72 x 183 x 140cm). Number of Shelves: 12 third width. Exterior L x W x H: 35" x 75" x 78" (89 x 190 x 198cm). Net Weight: 704 lb. (319kg). Amps/Breaker: 12/15. 3 hinged glass doors.

Fisher Scientific Isotemp Lab Refrigerator, 72 cu. ft with Recorder & Alarm $14869.12 Features of the Fisher Scientific Isotemp Lab Refrigerator: Adjustable temperatures from 1° to 12°C, with ±3°C average stability. Exterior-mounted 1/2 in. LED displays temperature with 1°C resolution. Capacities from 27 to 72 cu. ft. (765 to 2040L). Automatic defrost. White enamel- or epoxy-coated steel cabinets. Lockable solid-steel doors have hinge mechanism that holds doors open at 95° angle, close with a gentle push. Thermopane glass doors provide easy access and visual inventory control. CFC-free (R134A) refrigerant. White epoxy, powder-coated steel wire shelves (up to 46.7 sq. ft.), adjustable on 1 in. (2.5cm) centers. Interior fluorescent lighting with exterior light switch standard on 27 cu. ft. (765L) and larger models. Keyed ON/OFF power switch. Four adjustable legs ensure cabinets are level on irregular floors. Microprocessor temperature control. Certifications: UL listed, CSA approved. Warranty: 13 months parts and labor. Seven-day Selectable Temperature Recorder with Alarm: Panel-mounted, factory installed. 6 in. dia. (15.2cm) chart size. User-selectable temperature ranges. Single-point calibration; individually calibrated against equipment with calibration certified traceable to NIST*. Supplied with 60 charts and 7-day scale. Digital alarm display with minimum/maximum setpoints, audible alarm, and 24V, 0.5A SPST N.O. relay contacts. Product Specifications: Interior D x W x H: 28.5" x 72" x 55" (72 x 183 x 140cm). Number of Shelves: 12 third width. Exterior L x W x H: 35" x 75" x 78" (89 x 190 x 198cm). Net Weight: 704 lb. (319kg). Amps/Breaker: 12/15. 3 hinged glass doors.

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Fisher Scientific Isotemp Plus Lab Refrigerator, 49 cu. ft, Double Solid Door $7419 Features of the Fisher Scientific Isotemp Plus Lab Refrigerator: Temperature range from 1° to 12°C (33.8° to 53.6°F) with ±3° average stability; adjustable in °C or °F using interior control. Exterior-mounted 0.5 in. LED display with 0.1° temperature resolution. Automatic defrost. No recorder or alarm. Certifications: UL listed. Warranty: 13 months parts and labor. Interior D x W x H: 28" x 48" x 62". No. of Shelves: 8 shelves. Exterior D x W x H: 33.75" x 52" x 84.5". Shipping Weight: 659 lb. Electrical Requirements: 115V 60Hz. Construction: Grey enamel-coated steel cabinets, stainless-steel interiors. Solid doors are hinged, white enamel-coated steel. CFC-free R134A refrigerant and polyurethane insulation. Interior fluorescent lighting with exterior light switch. Keyed ON/OFF power switch. Four adjustable legs ensure cabinets are level on irregular floors (casters provided).

Fisher Scientific Isotemp Plus Lab Refrigerator, 30 cu. ft, 1 Hinged Door $6844.59 Features of the Fisher Scientific Isotemp Plus Lab Refrigerator: Temperature range from 1° to 12°C (33.8° to 53.6°F) with ±3° average stability; adjustable in °C or °F using interior control. Exterior-mounted 0.5 in. LED display with 0.1° temperature resolution. Automatic defrost. 1 hinged solid lockable door Certifications: UL listed, CSA approved. Warranty: 13 months parts and labor. Interior D x W x H: 27.5" x 30" x 60" (70 x 76 x 152cm). No. of Shelves: 4 full size. Exterior L x W x H: 33.5" x 35" x 85" (85 x 89 x 215cm). Net Weight: 440 lb. (200kg). Electrical Requirements: 115V 60Hz (10/15). Construction: Grey enamel-coated steel cabinets, stainless-steel interiors. Solid doors are hinged, white enamel-coated steel. Grey epoxy-coated steel-wire shelves, adjustable on 1 in. (2.5cm) centers. CFC-free R134A refrigerant and polyurethane insulation. Interior fluorescent lighting with exterior light switch. Keyed ON/OFF power switch. Four adjustable legs ensure cabinets are level on irregular floors (casters provided).

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FF67BILAB 24 Compact Refrigerator with Adjustable Wire Shelves Temperature Display Alarm Keyless Keypad Lock and Digital Thermostat For Lab Use: White $1258.24 SUMMITs FF67BILAB is an undercounter all-refrigerator specially equipped for use in medical and laboratory facilities Sized under 24 inches wide and deep the white FF67BILAB can be built in to cabinetry or used freestanding The white exterior include...

Fisher Scientific Isotemp Plus Lab Refrigerator, 45.4 cu. ft with Recorder & Alarm $9452 Features of the Fisher Scientific Isotemp Plus Lab Refrigerator: Temperature range from 1° to 12°C (33.8° to 53.6°F) with ±3° average stability; adjustable in °C or °F using interior control. Exterior-mounted 0.5 in. LED display with 0.1° temperature resolution. Capacities from 23.1 to 74 cu. ft. (654 to 2100L). Automatic defrost. 2 sliding glass lockable doors; 115V 60Hz. Construction: White enamel-coated steel cabinets, stainless-steel interiors. Keylocked solid or glass doors. Solid doors are hinged, white enamel-coated steel. Thermopane glass doors (hinged or sliding) provide easy access and visual inventory control. Sliding doors require no swing-out space—a valuable benefit in high traffic or narrow areas. White epoxy-coated steel-wire shelves (14.8 to 44.4 sq. ft.), adjustable on 1 in. (2.5cm) centers. CFC-free R134A refrigerant and polyurethane insulation. Interior fluorescent lighting with exterior light switch. Keyed ON/OFF power switch. Four adjustable legs ensure cabinets are level on irregular floors (casters provided). Alarms: Panel-mounted, factory installed. Digital display with minimum/maximum setpoints, audible alarm, and 24V, 0.5A SPST N.O. relay contacts. Seven-day Selectable Temperature Recorder: Panel-mounted, factory installed. 6 in. dia. (15.2cm) chart. User-selectable temperature ranges. Single-point calibration; individually calibrated against equipment with calibration certified traceable to NIST*. Supplied with 60 charts and 7-day scale. Certifications: UL listed, CSA approved. Warranty: 13 months parts and labor. Interior D x W x H: 27 x 48.5 x 54.5 in. (67 x 123 x 138cm). No. of Shelves: 8 full size. Exterior L x W x H: 31.5 x 52 x 78 in. (80 x 132 x 198cm). Net Weight: 498 lb. (226kg).

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