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Horizontal Laminar Flow Cabinets

HZ-1, HZ-2, HZ-3 & HZ-4 

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Class ISO 5 horizontal laminar flow cabinets (former class 100) are ideal for jobs where it is necessary to ensure the products are protected from external contamination and cross-contamination. Thanks to the specific way the side walls, located inside the inner perimeter of the filter, are assembled it is possible to prevent any contaminants that may be present from entering the work area through the filter frame thanks to the Venturi effect. The air collected from the environment is pre-filtered using polyurethane at high weight efficiency and, pushed by the fan engine to the retention plenum, it then passes through the absolute filter and is released into the work area. The air emerges from the H14 HEPA filter located in front of the operator, moving in a compact, laminar fashion creating a Class ISO 4, hence sterile, work space and making sure no contaminating particles are close to the product being handled..
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Sample Protection. Total Sterility

Cruma's horizontal laminar flow cabinets guarantee a laminar stream of air with class ISO 4 air purity pursuant to Standard EN14644-1 thanks to our intelligent H14 HEPA filters, providing a minimum efficiency rate of 99.995% for 0.3 µm particles.

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Flexible
 
These can be used in areas where it is difficult to extract contaminated air, such as the lower floors of buildings, and they can be placed in different locations, which it means that they can be easily relocated if needed.
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Economic Savings and Easy to Set-Up
 
No expensive works are necessary to install conduits to extract the gas to the outside which means there are no additional costs and no need to interrupt a laboratory working at full capacity.
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Energy Savings
 
Unlike other brands, our cabinets do not consume the air conditioning of the laboratory, which substantially reduces energy costs: the filtered air is not expelled to the outside, but recirculated back into the laboratory free of contaminating particles.

Advantages

 

Manufacture: the external surfaces are made of cold-rolled steel, coated with white epoxy, enamelled in ovens at 200ºC and resistant to the chemical compounds used for sterilization.

Work Surface: the surface of the work chamber is made of white secured glass, highly resistant to impacts and chemical attacks.

Absolute H14 HEPA Filter with a flow equalizer and an efficiency rate of over 99.995% for particles measuring 0.3 microns. Standards MIL-F51068C and BS 3298.

Fan motors: double aspiration centrifugal fans, capable of providing a laminar flow in the work space, above all as regards dealing with filter saturation to a maximum value of 400 Pascal.

Control Panel: Soft-touch keyboard with a switch for the LED lamps, UV ultraviolet lights, a maintenance system to control the airspeed through the HEPA filter that is electronically self-regulated and a control key to reduce speed in ECO mode.

Lighting: LED lamps located in the centre with a prismatic diffusing screen to improve the distribution of light on the work surface.

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Possible Applications

 

▼ Laboratory food industries in general
▼ Transfer of drugs in the pharmacy department
▼ Hematology and clinical analysis
▼ Filled with antibiotics and injectable drugs (except cytostatic) microscopic analysis
▼ Tissue culture bags reconstitution of parenteral methods of assisted fertilization techniques
▼ Micropropagation, Plant cell cultures, Water quality control, manufacturing of electronic devices…

 

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127x34mm LCD Display

Type of filter installed
Working hours
Wxpiration date and next revision date
Countdown timer
Clock and Calendar

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New features and components

Initial cycle flow adequacy and final purge cycle
Fault LED
Control of air flow through Microprocessor
HEPA filters with electronic chip
LED illumination

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New alarms and scheduled warnings

Next validation warning
Few hours of filter life warning
Countdown timer warning
Expired filter alarm by hours & by date
Equipment without filter alarm

In our horizontal laminar flow cabinets the stream of air passes through the H14 HEPA filter (manufactured pursuant to EN-1822) at a constant speed, travelling horizontally through the cabinet in a laminar flow and producing a Class ISO 4 sterile environment (former American Federal Standard 209E) and protecting the product from external contamination and possible cross-contamination between samples.

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Single-stage filtration system with a minimum efficiency rate of 99.995% for particles of 0.3 µm in the upper part with an extraction rate of 100% as regards the air flow to the outside. Total protection for the sample.

 
Models and Technical Specifications

Four sizes for all needs.

 
  hz1-cruma-flujo-horizontal-thumb-2x hz2-cruma-flujo-horizontal-thumb-2x Cruma HZ-3
 Cruma HZ-4
Model HZ-1 HZ-2 HZ-3 HZ-4
Internal Sizes (Width/Depth/High) 769x600x633 1169x600x633 500x600x640 1800x600x640
External Sizes (Width/Depth/High) 895x770x977 1295x770x977 1625x771x1053 1925x771x1053
Filter columns - - - -
Filter number 1 1 1 1
Fans 1 2 3 3
Average volume of treated air/hour - - - -
Average face velocity 0.40 m/s 0.40 m/s 0.45 m/s 0.45 m/s
Internal volume of the cabinet 0.292m3 0.443m3 0.576 m3 0.684 m3
Renewals inside the cabinet/min. / min. - - - -
Total electrical power consumption 211 W 414 W 211 W 211 W
Voltage-Frequency 110-220 V / 50-60 Hz 110-220 V / 50-60 Hz 110-220 V / 50-60 Hz 110-220 V / 50-60 Hz
LED light intensity 900 Lux 16 W 900 Lux 2 x 16 W 1100 Lux 1100 Lux
UV Lamp Optional 2x15W Optional 2x15W Optional 2×15 W Optional 2×15 W
Sound level 50 dB 50 dB 57 dB 57 dB
Weight 115 Kg 140 Kg 118 Kg 185 Kg
Packaging volume 0.69 m3 1.0 m3 1.04 m3 1.48 m3
Serial Equipment
Full Equip cabinets
 
Equipment Description
Electronic circuit with large format LCD display Security levels: level 1 for users and level 2 for maintenance users
Filters controlled by microprocessor The filters are provided with a  microchip with mini USB connection identifying the type of filter installed, the expiry date and the serial number
Illumination 96 LED high light intensity and low consumption 16 Watts / 900 Lux
Digital timer with audible warning Hourmeter for the control and warning of the work in the cabinet
Electrical plug Placed in the internal roof of the cabinet and conmuted with the electronic circuit
Clock and Calendar Display of date and time
Steel work surface Worktop of  stainless steel surface AISI 304 2B
G4 Prefilter Pre-filtering class G4 biofibre synthetic blanket
Warranty 7 years
Optional Equipment
Details that matter
 
Equipment Description
Tubular stand Support in steel coated with epoxy anticorrosion resin.
Portable UV light Portable UV light (2 x 15 Watt UV lamps)

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Cruma Filters

HEPA filter H-14 for a pure air. Pristine air.

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Absolute H14 HEPA Filter with a flow equalizer and an efficiency rate of over 99.995% for particles measuring 0.3 microns. Standards MIL-F51068C and BS 3298. With an electronic chip to provide both the operators and the samples with the greatest possible degree of safety.