Description

FEATURES

  • Temperature range -20°C to -40°C or -40°C to-80°C.
  • 4″ color touch screen controller LCD display.
  • USB data storage facility-Optional.
  • Stainless steel inner construction-SS-304 with rust-proof.
  • Inner and outer doors
  • Energy efficient refrigeration system.
  • 72 hours battery backup for display.
  • Caster wheels with brake.
  • Optional CO, backup system & printer.
  • Low Noise Design: use high quality compressor and mute pump.
  • Convenience Function: Parameters memory function, temperature correction.
  • Fuzzy PID temperature control system: control temperature stability accurately and fast.

DOCUMENTATION

  • Working Manual.
  • IQ/OQ/PQ Certificate.
  • ISO Certificate.
  • CE Certificate.

QUALITY ASSURANCE

Each unit is factory tested to meet international guidelines and dispatched in ready-to-plug-in condition. Quest Scientific testing services are available to assist you in routine maintenance and revalidation.

TECHNICAL SPECIFICATIONS

  • Temperature range : -20°C to -40°C or -40°C to -80°C
  • Cooling performance : -80°C
  • Ambient temperature : 16°C to 32°C
  • Controller : 4 inch touch screen, Password protection, Intuitive display
  • Display accuracy : 0.1°C
  • Data storage : USB data storage facility-Optional
  • Sensor : PT100
  • Internal chamber : 304 stainless steel, Optional-SS-316
  • External cabinet : Steel sheets with high quality spray
  • Insulation thickness : 130 mm
  • Insulation : VIP Plus vacuum insulation panel
  • Gasket : Silicone rubber
  • Doors : Inner and outer doors.
  • External door : Insulated door with lock key
  • Shelves : SS-304 shelves
  • Cooling type : Direct cooling
  • Refrigerant : CFC free mixture gas / 600
  • Mounting : Caster wheels w/ brake
  • Power supply : 220 Volts 50Hz
  • Safety : 72 hrs battery backup for controller display, Machine startup delay, Power off protection
  • Alarm : Main board communication error, High ambient temperature, High/low temperature, Sensor broken, Power failure, Low battery, Door ajar.
  • Optional : Temperature chart recorder, CO2 backup system, Storage racks / boxes, Printer

SELECTION GUIDE:

Model Inner Dimensions WxDxH Volume
QST-DF-128S 610*455*410 mm 128 Liters
QST-DF-398S 440×696×1266 mm 398 Liters
QST-DF-550S 585*696*1266 mm 550 Liters
QST-DF-678S 750*696*1286 mm. 678 Liters
QST-DF-778S 865*696*1286 mm 778 Liters
QST-DF-900S 877*696*1378 mm. 900 Liters
QST-DF-1008S 1022*696*1378 mm. 1008 Liters