Plasma Freezers

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plasma freezers

Labtop micro controller based plasma freezers are designed for quick freezing and storing of Plasma and related blood components at -40.0 ºC. These freezers are designed for Blood banks and research laboratories


The cabinet of Labtop Chambers are insulated with high density CFC free Poly Urethane Foam. Interior of the chambers are mirror finish stainless Steel (304 SS, 0.8 mm thick). The exterior is white powder coated (1.0 mm thick) mild steel and the door has magnetic gasket with a keyed door lock. Specially designed solid stainless steel wire mesh trays ensure even temperature distribution and storage inside


The cooling is effected by CFC free refrigeration system with a condensing unit located inside the chamber. Labtop condensing units are characterised by high-efficiency heat transfer and low power consumption.
  • CFC free refrigeration with time delay to safe guard the compressor
  • Inner grooved copper tubes and slit aluminum fins for superior heat transfer
  • Filter drier for moisture and dirt protection
  • Safety and control devices for better system protection
  • Thermally protected and permanently lubricated fan motors


  • Miniature circuit breaker to protect electronic components in case of abnormal power supply
  • Audio visual alarm when temperature deviates from set temperature
  • Overload protector for safe guard the compressor
  • 180 seconds Time delay for compressor switch ON


A programmable logic controller (PLC) is a digital computer used for automation of controlling electromechanical processes, such as control of Temperature, Speed, Standby systems and event management with less maintenance hence no moving parts.
  • PLC with 4.3” touch screen and color Display
  • Password protected Human Machine Interface (HMI)
  • Data storage to record set values, process values, date & time with variable time intervals
  • Display of set value and process value
  • Auto changeover of standby systems and other event managements
  • Connectivity to LABTOP DATALINX central monitoring software
  • High quality PT-100 Sensor for better accuracy
  • Precise control of temperature using in PID control ( auto tuning type)
  • Data logging capacity up to 1000 readings


  • Micro-controller controls the internal temperature within ± 0.5 ºC.
  • 4 digit, 7 segment LED display
  • Audio visual alarm when the temperature deviates from the set temperature.
  • Password protected keypad lock
  • Visual alarm for faulty sensor
  • Display of set temperature and process temperature
  • High quality PT-100 Sensor for better accuracy
  • Temperature alarm system with adjustable high-low alarm limits.

salient features

  • Specially designed Stainless steel Plasma basket ensure even temperature distribution.
  • Caster wheels for ease of mobility
  • Foamed in place CFC free PUF insulation ensures temperature stability and reduced power consumption
  • PUF insulated sub door to avoid temperature loss
  • Various accessories are available as option
  • 7 days circular chart recorder to record the temperature
Technical Specifications
Cat. No. LPF-90 LPF-170 LPF-290 LPF-350 LPF-450 LPF-600
Temperature °C -40.0
Accuracy °C ±1.0
Uniformity °C Better than ±3.0
Volume ( Liters ) 90 170 290 350 450 600
Plasma Bags 90 170 290 350 450 600
No. of Trays 2 3 4 5 6 6
Control system Micro control / PLC
Power (W) 250 300 350 400 500 500
Noise level (db) 65
Voltage VAC 230, 50/60 Hz
Inner Size 420x380x570 490x420x850 585x500x1000 585x600x1005 685x670x1005 750x790x1040
External Size 580x625x1285 650x670x1565 740x750x1780 740x850x1780 840x720x1780 910x1040x1850
Packing size 710 x760 x1480 780x 800×1760 870x880x1980 870x980x1980 970x1050x1980 1040x1170x2050
Net Weight 100 125 150 200 250 300
Gross Weight 150 170 200 250 300 350

Features for LABTOP DATALINX Central Monitoring software

  • Multiple Equipment data monitoring on single software.
  • Reports in Tabular and Graphical form
  • Mean Kinetic Temperature Report.
  • Back up Provision
  • Multi user environment
  • Multiple level password with automatic expiry
  • Electronic signature
  • Audit trial report
  • Mobile alert via SMS in case of any deviations
  • Online and offline trends


PC interface communication
Micro controller based PID controller to record, store and print the set values, process values, Date & time with variable print time intervals with RS-485 communications for central monitoring software
Central monitoring Software
“LABTOP DATALINX “ CFR 21 Part 11 compliance windows based communication software for data management. Complete with RS-485 multi dropping to monitor chambers to one software.
PLC system
Programmable Logic Control with Safety controller, auto changeover of Standby systems & other event managements With 4.3” Color HMI with touch screen, Ethernet connectivity and security lock for prevention of unauthorized tampering.
Power Backup
Uninterrupted online power supply for PLC in case of power failure
Chart paper
One packet (100 Nos.) 7 days circular chart suitable for temperature recorder
Fiber tip pen
One packet (5 nos.) fiber tip disposable pen suitable for temperature recorder
LABTOP offers IQ, OQ, PQ and DQ validation with documentation, reports, calibration and test certificates.
The equipment is calibrated with the help of master calibrator, which is certified for its accuracy by Electronics Regional Testing Laboratory (ERTL West) Government of India recognized testing laboratory with traceable reference to National Physical Laboratories (NPL).
Service and Support The training undertaken by our Channel partners and engineers is of the highest standard in the industry, ensuring that our customers are supported by the highest level of technical expertise and as such can be assured that their equipment will perform to the standards required at all times.
Our wide network of Engineers/Technicians enables us to respond to any technical query, ensuring that our customers receive the maximum benefit from their equipment.
NB : Specifications are subject to change without prior notice.
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