The following are a list of our test facilities available for hire at our Cambridge site:

Environmental Testing 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 2x 5hp Auxiliary booster 1x 7hp Auxiliary booster 1x 5hp Auxiliary booster 1x 3hp Temperature range -25 to +50°C Max extraction 20 kW at -15°C Temperature control RMC hot gas modulating valve ± 0.25°C SCADA control system Chamber temperature Vehicle in room typically 1°C spread 6kW heat load chamber at 0°C 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 Lucus Daw Ultrasonic Power supply 110/240V/415V 50Hz main 110/230/440V 60Hz converters Water supply 15mm rising main Compressed air supply 20m3/hr 100psi Solar arrays 8 @4kW & 1 @ 8.5kW Fixed instrumentation Temperature measurement Fluke Data logger 2240B 100 type "T" thermocouples 3x Pressure Power measurement 3 Phase Class 1 Northern Design Powerminder Volts each phase Amps each phase Power factor Instant power Cumulative power RS232 interface Printer Single phase Class 1 Northern Design Multicube 485 Cumulative power Thermal test equipment Pulsing P.I.D. controller and heater Adjustable air circulation

Environmental Testing Chamber No 2                                      ^top^

Capable of taking largest permissible road vehicles Size 4.9H x 4.6W x 17.1L metres Door size 4.67H x 4.57W metres Floor 150mm reinforced concrete Drainage 100mm central drain Refrigeration main system 2 x 13hp scroll’s Auxiliary booster 1 x 7hp recip Auxiliary booster 1x 5hp scroll  Temperature range -10 to +55°C (no heat load) +30°C 60kW (heat load) -10°C 10kW (heat load) Max extraction 60 kW at 10°C Temperature control hot gas modulating valve ±0.25°C SCADA control system Chamber temperature Vehicle in room typically 1°C 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 50-100% rh Lucus Daw Ultrasonic Power supply 240V/415V 50Hz main 440V 60Hz converter Solar arrays 8 @4kW & 1 @ 8.5kW Water supply 15mm rising main Compressed air supply 20m3/hr 100psi Liquid nitrogen supply Air Products 6.5M3 LN tank Fixed instrumentation Temperature measurement Fluke data logger 2280B 40 4 wire pt100 (0.1 DIN) 100 type "T" thermocouples Yokogawa LR8100 Six channel chart recorder Power measurement 3 Phase Class 1 Northern Design Powerminder Volts each phase Amps each phase Power factor Instant power Cumulative power Printer Single phase Class 1 2 x Northern Design PM 390 Cumulative power Thermal test equipment Pulsing P.I.D. controller and heater Adjustable air circulation

Environmental Testing Chamber No 3                                           ^top^

Calorimeter Chamber Size 5H x 3.9W x 7.8L metres Door size 3.94H x 3.434W metres Floor 150mm reinforced concrete Drainage 100mm central drain Refrigeration Main system 1 x 5hp Booster 1 x 5hp Temperature range 0 to +50°C Max extraction 60 kW at 30°C 0°C @25°C ambient 5.0kW load Temperature control Cal 9900 controller/ hot gas Chamber temperature calorimeter in room 1°C 3kW heat load chamber at 0°C 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 50-100% rh Lucus Daw Ultrasonic Power supply 240V/415V 50Hz main 440V 60Hz converter Water supply 15mm  main Compressed air supply 20m3/hr 100psi Fixed Instrumentation Temperature measurement Solartron 3530 Orion Data Logger 60 type "T" thermocouples 3 pressure transducers Tekman 5 channel model 900 chart recorder Power measurement 3 Phase Class 1 Northern Design Powerminder Volts each phase Amps each phase Power factor Instant power Cumulative power Printer Single phase Class 1 Northern Design WM 302 pulsing Cumulative power Printer Thermal test equipment Pulsing P.I.D controller and heater Adjustable air circulation

Environmental Testing Chamber No 4                                           ^top^

Supermarket Cabinet Test Chamber (EN441) Size 3.8W x 5.45L x 2.75H metres Door size 2.2H x 2.2W metres Floor 150mm concrete Drainage 2x 150mm drains Refrigeration 5hp recipl compressor Remote condensing unit 15kw @-5.0°C +30°C (cabinets) Heating 10kw Electrical Defrost system Automatic timed electrical Temperature range +50 to 0°C - higher by arrangement Temperature control Omron IMO Jaguar inverter drive. Air circulation 0.1 – 0.2 m/s Relative humidity 50-100% rh Power supply 110V, 240V, 415 3 phase 50Hz Water supply 15mm supply Compressed air 20 m3/hr 100 psi Fixed instrumentation Fluke data logger Temperature, pressure, humidity

Environmental Testing Chamber No 5                                           ^top^

General Purpose Test Chamber Size 2.25H x 2.25W x 5.1L metres Door size 2.25H x 2.25W metres Floor 80mm polyurethane foam aluminium floor Refrigeration 7.5hp compressor Defrost system Timed and on demand hot gas & electric Temperature range low: +30 to -30°C (controlled), -40°C (min) Temperature range high: +85 to +25°C Max extraction 12kW at 10°C Temperature control Suction modulation Chamber temperature ±1°C spread Air circulation 3 x 200mm evaporator fans Air freshening 0 to 120m3/hr Relative humidity 30-100% Power supply 240V/415V 50Hz main 440V 60Hz converter Water supply 15mm Compressed air supply 20m3/hr Instrumentation Fluke data logger. Temperature, pressure, humidity.

Environmental Testing Chamber No 6                                           ^top^

Instrumentation Test Chamber Size 0.5W x 0.7D x 1.5H metres Door size 1.5H x 0.5W metres Floor stainless steel finish Drainage Tray to drain Refrigeration 1.0hp hermetic compressor + 2hp boost Defrost system Auto / Manual hotgas Temperature range +80 to -40°C Temperature control Cal 3300 controller hotgas/electrical Air circulation 1 x 1500mm evaporator fan and booster Relative humidity 30-100% Fixed instrumentation Fluke data logger

Environmental Testing Chamber No 7                                           ^top^

Ultra Low Temperature Test Chamber Size 0.72W x 0.5D x 1.22H metres Door size 1.2H x 0.72W metres Floor Styrene finish Drainage n/a Refrigeration Cascade hermetic compressors Defrost system Auto Temperature range -50 to -85°C Temperature control off/on  Air circulation none (refrigerated skin) Relative humidity n/a Fixed instrumentation Fluke data logger