Environmental Chambers and Space Simulation Systems

Ultra Shock

Heat and cool in a single compartment at amazing rates with a Bemco FB1.5V- UHC Ultra Shock Temperature Chamber.

Easily maneuverable, this chamber provides an industry leading 2712 cubic inches of workspace.

A long list of available options allows you to modify the chamber for almost any use.

Starting at:


Standard Bemco FB1.5V-UHC Series chambers are available on the "B-QUICK" ship plan. Many are available in stock, while others are prepared from Bemco's ready case stock for shipment in about 4 weeks.

Request a free quotation or analysis of your testing needs. Our experienced engineers are ready to help you.

FB1.5 UHC Literature PDF

FB1.5V Series Wide Range Compact Temperature Chamber

UHC, Ultra High Capacity

Based on the proven Bemco FB1.5V Compact Temperature Chamber, the FB1.5V-UHC offers spectacular temperature change rates in excess of 75 C per minute. With an extremely compact footprint these chambers cost about 1/3 of the amount of a typical 2-zone thermal shock chamber such as a Bemco FS2V.

A long list of available options allows you to modify the chamber for almost any use.

Bemco FB1.5-UHC Ultra High Capacity Temperature Chamber, FrontBemco FB1.5-UHC Ultra High Capacity Temperature Chamber, Back

The Bemco FB1.5V-UHC Series of ultra high capacity compact free-standing, mechanically cooled and liquid nitrogen boosted temperature chambers have a temperature range of -73 C to 177 C or -100 F to +350 F.

These chambers feature innovative Bemco conditioning systems designed to provide a precisely repeatable environment for testing in accordance with Military Standards (MIL-STD's), production testing, and laboratory testing.


Interior Height
Interior Width
Interior Depth
Exterior Height
Exterior Width
Exterior Depth
Shipping Weight, lb

Air cooled condensing and casters are standard.


Chamber air is recirculated by a high volume, non-sparking, aluminum axial fan discharging through a removable rear mounted guard and diffuser baffle to create a uniform environment around your test objects. The fan is driven by a close coupled externally mounted motor with dual ball bearing races, connected by a stainless steel shaft.

4,000 watts of fast-response open type heaters behind a radiation baffle raise chamber temperature as required.


A proportionally controlled cascade, two compressor, refrigeration system utilizing modern environmentally friendly refrigerants cools the workspace. The system includes automatic hot gas bypass and suction cooling unloading as well as Bemco’s exclusive, high performance coaxial cascade heat exchanger.

All systems have thermal and current sensors on each compressor as well as numerous safety and reliability protection systems for dependable operation. A proportionally controlled liquid nitrogen system boosts the cooling rate as required.

Safety Systems and Electrical Wiring

All electrical wiring meets the United States National Electric Code. UL and CSA approved components are used where possible.

Power requirement is 230/115 VAC - 1 Phase - 60 Hertz, 33 FLA. Refrigeration is air cooled. 50 Hertz is available as an option.


FB1.5V-UHC Series chambers include a 304 Series stainless steel welded inner liner with high temperature fiberglass insulation. No asbestos is used in chamber construction.

Outer cases are fabricated from cold rolled steel finished in Bemco Blue. Chamber doors feature dual gaskets to greatly reduce thermal losses near the door face. An over-center, black anodized aluminum cam type latch seals the door which closes flush on the front face of the chamber for a smooth appearance.


The Bemco FB1.5V-UHC chamber is furnished with a microprocessor based programmable, 1/4-DIN, solid state 256-step ramping controller which includes a 4-line LCD interface display and a large red LED display.

Temperature inside the chamber is sensed by a precision thermocouple. An RS232 and RS485 interface is standard. Heaters are interlocked with a separate heavy duty power contactor and a factory preset high temperature safety control.

Thermal Performance

The FB1.5-UHC cools and heats at a rate in excess of 75 C per minute. It is capable of heating from -55 C to + 155 C in less than 5 minutes and cooling from +155 C to -55 C in less than 5 minutes, both with the chamber empty.

+ or - 1 C (+ or - 1.8 F) guaranteed control, + or - 0.15 C (+ or - 0.25 F) typical.

Optional Equipment

Optional Instruments

Controls are mounted on a recessed aluminum panel to prevent dripping from damaging the instruments. Available instrument accessories:

Available Literature Includes:

FB1.5V-UHC Ultra High Capacity Compact Temperature Chamber Bulletin Bemco FB1.5V-UHC Series, Ultra High Capacity Compact Wide Range Chambers. Document is triple fold front and back, 2 pages, 336 KB download.

Temperature Conversion Table Bemco Temperature Conversion Table. Temperature conversion chart for -273.15 C (absolute 0) to +548.89 C (1020 F) in 10 degree increments. Document is 1 page, 336 KB download.

The systems described above are our Standard Models. We make custom equipment to your specifications.  If you have any questions, need assistance in preparing a specification, or have a technical problem you want help with, we are ready.  Our quotations and advice are free.

Back to the TopHome

Bemco Inc, 2255 Union Place, Simi Valley, California 93065, Telephone (805) 583-4970, Fax (805) 583-5033

"Conrad Missimer" and "PAO Chiller" found at http://www.paochiller.com are Divisions of Bemco Inc.
Kardburn, Koldburn, and Bemcoil are Trademarks of Bemco Inc. Bemco Web Site, © 2007 Bemco Inc.