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Welcome to Cambridge Refrigeration Technology


CRT Environmental Test Chambers 

Below is a list of some of our test facilities available for hire at our Cambridge site:

Environmental Test Chamber No 1
  • Industrial Equipment Chamber
  • Size 4.9H x 4.5W x 11.9L m
  • Door size 4.60H x 3.05W m
  • Floor 150mm reinforced concrete
  • Drainage 100mm central drain
  • Refrigeration main system
  • High range 2 x 5hp Copeland
  • Low range 30hp Bock
  • Booster 17hp Bitzer
  • Auxiliary 15hp Carrier
  • Heating gas/electric 22kW/24kW
  • Temperature range -25 to +50C
  •                                       30kW @ -25C
                                          60kW @ +30C
  • Temperature control  hot gas off/on SCADA control system
  • Chamber temperature Vehicle in room typically 1C spread 6kW heat load chamber at 0C
  • Air circulation
  • 7 x 250 mm evaporator fans
  • 2 x 600 mm side wall fans
  • 4 x 380 mm portable with speed control
  • Airspeed 1-2 m/s
  • Air freshening 600 mm roof extractor for fan with controller
  • Fume extraction 125 mm exhaust extractor
  • Relative humidity 50-100% rh 
  • Water supply 15mm rising main
  • Compressed air supply 20m3/hr 100psi
  • Solar arrays 8 @ 4kW & 1 @ 8.5kW
  • Instrumentation
  • Fluke Datalogger 
  • 100 type "T" thermocouples
  • 3x Pressure
  • Volts
  • Sitrans Massflow meter DI3/DI6/DI15
  • Power supply
  • 110/240V/415V 50Hz main
  • 110/230/440V 60Hz converters
  • Power measurement
  • Supply 1
  • 3 Phase Class 1 Northern Design Powerminder
  • Volts each phase
  • Amps each phase
  • Power factor
  • Instant power
  • Cumulative power 
  • Supply 2
  • Three phase Class 1
  • Northern Design Multicube 
  • Cumulative power
  • Thermal test equipment
  • Pulsing P.I.D. controller and heater
  • Adjustable air circulation



Environmental Test Chamber No 2         ^top^
  • Capable of taking largest permissible road vehicles
  • Size 4.9H x 4.6W x 17.1L m
  • Door size 4.67H x 4.57W m
  • Floor 150mm reinforced concrete
  • Drainage 100mm central drain
  • Refrigeration system
  • High Range 2 x 15hp Copeland
  • Low Range  2 x 40hp Bitzer
  • Auxiliary booster 7hp Copeland
  • Heating gas/electric 22kW/24kW
  • Temperature range  -25 to +55C
  •                                       65 kW @ -25C
                                          120 kW @ +30C
  • Temperature control hot gas 
  • SCADA control system
  • Chamber temperature Vehicle in room typically 1C spread
  • Air circulation
  • 11 x 250mm evaporator fans
  • 12 x 500 mm wall fans
  • Airspeed 1-2 m/s or less
  • Air freshening 600mm roof extractor fan
  • Fume extraction 100mm exhaust extractor
  • Relative humidity 50 - 90% 
  • Solar arrays 8 @ 4kW & 1 @ 8.5kW
  • Water supply 15mm rising main
  • Compressed air supply 20m3/hr 100psi
  • Instrumentation
  • Fluke datalogger 
  • 40 4 wire pt100 (0.1 DIN)
  • 100 type "T" thermocouples
  • Sitrans Massflow meter DI3/DI6/DI15
  • Power supply
  • 110/240V/415V 50Hz main
  • 110/230/440V 60Hz converters
  • Power measurement
  • Supply 1
  • 3 Phase Class 1 Northern Design Powerminder
  • Volts each phase
  • Amps each phase
  • Power factor
  • Instant power
  • Cumulative power 
  • Supply 2
  • Three phase Class 1
  • Northern Design Multicube 
  • Cumulative power
  • Thermal test equipment
  • Pulsing P.I.D. controller and heater
  • Adjustable air circulation



Environmental Test Chamber No 3         ^top^
  • Calorimeter Chamber
  • Size 5H x 3.9W x 7.8L m
  • Door size 3.94H x 3.434W m
  • Floor 150mm reinforced concrete
  • Drainage 100mm central drain
  • Refrigeration system 1 x 5hp
  • Heating gas/electric 10kW/10kW
  • Temperature range 0 to +50C
  • Max extraction 60 kW at 30C
  • 0C @ 5.0kW load
  • Temperature control  hot gas
  • Chamber temperature calorimeter in room 1C
  • 3kW heat load chamber at 0C
  • Air circulation
  • 2 x 250mm evaporator fans
  • 6 x 500mm side wall fans
  • Airspeed 1-2 m/s
  • Air freshening 50mm extractor fan with controller
  • Fume extraction Portable 100mm extractor
  • Relative humidity 50 - 90% rh 
  • Power supply 240V/415V 50Hz main
  • 440V 60Hz converter
  • Water supply 15mm 
  • Compressed air supply 20m3/hr 100psi
  • Fixed Instrumentation
  • Instrumentation
  • Fluke datalogger 
  • 60 type "T" thermocouples 
  • 3 pressure transducers
  • Sitrans Massflow meter DI3/DI6/DI15
  • Power supply
  • 110/240V/415V 50Hz main
  • 110/230/440V 60Hz converters
  • Power measurement
  • Supply 1
  • Three phase Class 1
  • Northern Design Multicube 
  • Cumulative power
  • Supply 2
  • Three phase Class 1
  • Northern Design Multicube 
  • Cumulative power
  • Thermal test equipment
  • Pulsing P.I.D. controller and heater
  • Adjustable air circulation
  • Thermal test equipment Pulsing P.I.D controller and heater
  • Adjustable air circulation



Environmental Test Chamber No 4         ^top^
  • Supermarket Cabinet Test Chamber (EN441)
  • Size 3.8W x 5.45L x 2.75H m
  • Door size 2.2H x 2.2W m
  • Floor 150mm concrete
  • Drainage 2 x 150mm drains
  • Refrigeration 5hp recip compressor
  • Remote condensing unit 15kw @ -5.0C +30C (cabinets) Sitrans Massflow meter DI6
  • Heating 10kw Electrical
  • Temperature range  -10 to +50 C
  • Temperature control  inverter drive.
  • Air circulation 0.1 to 0.2 m/s
  • Relative humidity 50 to 90% rh
  • Power supply 110V, 240V 50/60hz
  •  415 3-phase 50Hz /60hz
  • Water supply 15mm supply
  • Compressed air 20m3/hr 100psi
  • Fixed instrumentation
  • Fluke datalogger 
  • temperature
  • pressure
  • humidity
  • Power measurement
  • Northern Design Multicube



Environmental Test Chamber No 5         ^top^
  • Instrumentation Test Chamber
  • Size 2.25H x 2.25W x 2.35L m
  • Door size 2.25H x 2.25W m
  • Temperature range : -40  to +60C 
  • Floor80mm polyurethane foam aluminium
  • Fixed instrumentation
    Fluke datalogger
  • Air circulation
    1 x 120mm evaporator fan
    2 x 100mm circulation fans
  • Relative humidity 30 to 100% rh



Instrumentation Test Chamber         ^top^
  • H - Votsch Test Chamber
  • Internal size 310W x 225D x 200H mm
  • Temperature range -40 to 130C
  • Viewing window



Humidity Test Chamber          ^top^
  • H - Votsch Test Chamber
  • Internal size 800W x 800D x 850H mm
  • Temperature range 5 to 95C
  • Relative humidity 30 to 95%



Temperature Cycling Test Chamber         ^top^
  • Sharetree Test Chamber
  • Internal size 460 x 460 x 460 mm
  • Refrigeration Carbon dioxide
  • Temperature range -70 to 150C



Blast Cooler Test Chamber         ^top^
  • Internal size 460 x 460 x 800mm
  • Temperature range -40 to 70C



General Purpose Test Chamber         ^top^
  • Size 0.6W x 0.7D x 0.6H m
  • Door size 0.6H x 0.6W m
  • Temperature range -65 to +135C



Ultra Low Temperature Chamber         ^top^
  • Size 0.72W x 0.5D x 1.22H m
  • Door size 1.2H x 0.72W m
  • Refrigeration Cascade
  • Temperature range -85 to +50C

 


related information

BS EN standards

American ANSI standards

Japanese standards

CRT testing services

Cambridge Refrigeration Technology Contact Details