Deep Freezer Minus 20

WLS-200DF, WLS-300DF, WLS-400DF, WLS-500DF

Deep Freezers are designed for storage of biological samples in biotech, life science, clinical research as well as medical & pharmaceutical specimens, serums, vaccines, blood components. These freezers are available with temperatures up to -20°C and – 40°C.

About the product

Deep Freezers are designed for storage of biological samples in biotech, life science, clinical research as well as medical & pharmaceutical specimens, serums, vaccines, blood components. These freezers are available with temperatures up to -20°C and – 40°C.

Features & Benefits

  1. Temperature Up To -20°C / -40°C (AC Room)
  2. Upright Models With Small Foot Prints
  3. Unique Design Of Thermal Barrier For Better Energy Efficiency
  4. Machine Filled CFC Free PUF Insulation To Eliminate Void Pockets
  5. Adjustable Trays
  6. Hermetically Sealed Compressor With CFC Free Refrigerant
  7. Alarms For High/Low Set Parameters
  8. Sensor Failure Alarm
  9. Electrical Circuit Breaker
  10. Time Delay For Compressor Switch On
  11. Overload Cut Off Relay For Compressor
  12. Rounded Inner Chamber For Easy Cleaning
  13. Attractive Door Profile
  14. Microprocessor Controller With LED Display Of Temperature With Set, Process Value & Audio Visual Alarm (Standard)
  15. Weight Carrying Capacity Of Each Tray : 30 Kg Uniformly Distributed
  16. Auto Door Closer
  17. Smart Handle With LED Door Closure Indication

LCD Display Features

  • 4 Inch Attractive LCD Display
  • Intelligent Controller Helps Maintain Temperature In Case Of Sensor Failure
  • Battery Backup for Temperature Controller
  • Auto Tuning Of Controller
  • Self-Diagnosis for Errors
  • Histogram Format of 24 Hours Temperature Recording
  • Settable High / Low Alarm Points
  • Memory for Storage of Upto 1000 Records
  • Centronic Interface to Record Temperature, Date, & Time by Attaching Dot Matrix Printer with Adjustable Print Interval
  • Alarm on Equipment / Output for Remote Alarm

Touch Display Features

  • 7 Inch Big Colour Touch Screen
  • Plc (Programmable Logic Controller)
  • Memory of 15,000 Records
  • Centronic Interface to Record Temperature, Date & Time By
  • Attaching Dot-matrix Printer with Adjustable Print Interval
  • Ethernet Port
  • Battery Backup In Case Of Power Failure for Display, Alarms &
  • Off-Line Data logging (Optional)

OPTIONAL ACCESSORIES

  1. Data logger for 8 Point temperature recording with sensor printer interface and software
  2. Software as per 21 CFR Part 11 requirements
  3. PLC Based Control System with HMI TouchScreen
  4. Biometrics Magnetic Door Access for Secured Door opening with software to maintain log
  5. Validation (mapping) consist of one cycle for temperature at any one set point for 24 hours
  6. on empty and loaded condition Standby Refrigeration System
  7. GSM alert through SIM card

Product Specifications

  WLS-200DF WLS-300DF WLS-400DF WLS-500DF
Internal Volume (Liters) 200 300 400 500
Number of trays 2 3 4 5
Internal Dimensions WxDxH (mm) 640 x 755 x 430 640 x 755 x 630 640 x 755 x 830 640 x 755 x 1030
External Dimensions WxDxH (mm) 800 x 975 x 1020 800 x 975 x 1220 800 x 975 x 1420 800 x 975 x 1620
Minimum Temperature -20°C
Insulation (CFC free polyurethane foam) 80 mm minimum for Body & 80 mm for Door
Temperature control Microprocessor
Display 1″ – 7 Segment, Big Size LED
Power Failure Alarm Visual Alarm
Door Open Alarm Audio Alarm in case door open for over one minute
Illumination No
Internal Body Material  Stainless Steel – 304 grade (Standard Models), Stainless Steel – 316 Grade (GMP Models)
External Body Material Powder Coated CRCA Steel (Standard Models), Stainless Steel – 304 Grade (GMP Models)
Noise Level Less Than 65 db.(A)
Recommended Voltage Stabilizer  VS-02 VS-02 VS-03 VS-03
Power  220-240 volts, 50Hz, Single Phase

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