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MASTER series Refractometer MASTER-PM

The MASTER-PM is the plastic body model of the MASTER-M. The plastic body model is designed to be resistant salty and acidic samples.

MASTER series Refractometer MASTER-PM   The MASTER-PM is the plastic body model of the MASTER-M. The plastic body model is designed to be resistant salty and acidic ... more

 ESCO Vertical Laminar Flow Cabinet
Home : Our Principals : ESCO : Biotechnology Equipment ESCO : ESCO Vertical Laminar Flow Cabinet

Esco Airstream® Vertical Laminar Flow Cabinets

Esco Airstream® Vertical Laminar Flow Cabinets offer proven protection for your samples and processes where operator protection is not required. Vertical laminar flow offers certain tangible advantages over horizontal flow cabinets (which may be the convention in some parts of the world), such as lower energy consumption (40% of conventional systems) levels through the use of exclusive motorized impeller technology and less airflow turbulence (especially when large objects are used in the work zone). In fact, the negative pressure filter mounting system employed on these models is widely recognised to be superior to that of conventional horizontal flow cabinets.

Because both horizontal and vertical cabinets are validated to the same standards, they do not differ in terms of actual performance. Like all Esco vertical laminar flow cabinets, Airstream® Vertical Laminar Flow Cabinet features the unique Auto-Purge™ slots at the back of the work zone, designed to eliminate potential dead-air pockets that may create turbulence and compromise product protection.


  • ISO Class 4 air cleanliness within work zone as per ISO 14644.1 (equivalent to Class 10 as per US Federal Standard 209E, 10 times "cleaner" than the usual Class 100 classification on cabinets offered by the competition).
  • High-quality polyester pre-filter and main ULPA filter with a typical efficiency of 99.9997% at MPPS and 99.9998% at both 0.3 and 0.12 microns provide the best product protection in the world; typical main ULPA filter lifespan is more than 3 years depending on the usage of the cabinet.
  • Mini-pleat separatorless ULPA filter technology reduces energy consumption and delivers increased laminar airflow uniformity for better product and cross contamination protection.
  • Integral filter metal guard on both sides prevents accidental damage to ULPA filter; eseamless filter gasket is permanently molded on the filter frame and will not deteriorate over time; aerosol (DOP/PAO) challenge test port included.


  • Built-in solid state variable speed controller(s) (infinitely adjustable from zero to the maximum setting) with built-in RFI and noise filters is superior to conventional "step" controllers.
  • Standard cabinet control system consists of separate switches / indicator lights for blower, lights and UV lamp plus a pressure gauge for airflow monitoring on the front panel of the cabinet.


  • Industrial-grade main body constructed of electro-galvanised steel: with an abrasion-resistant white oven-baked powder-coated finish.
  • Easy-to-clean stainless steel work surface is more durable than other materials and will never rust, chip, or generate particles.
  • Permanently lubricated direct drive centrifugal blower(s); energy efficient external rotor motor type design reduces operating costs; extremely low noise and vibration levels (less than 62dBA at working position) due to proprietary construction and mounting technology.
  • Industry-exclusive secondary isolated negative pressure filter seals and Esco-exclusive feature Auto Purge™ design at back of work zone deliver enhanced performance.
  • Built-in warm white, electronically ballasted lighting offers excellent illumination throughout the work zone in order to reduce operator fatigue and is comfortable to the eyes. Light tubes are mounted out of the air stream for better airflow uniformity.
  • UV-absorbing tempered glass sides increase operator comfort and provide a high level of protection against harmful UV rays when using a UV lamp; glass is also more durable, easier to clean.
  • Individually factory tested and commissioned after production; report included with every unit. All cabinets factory tested for electrical safety.
  • Designed to meet the safety requirements of IEC 61010-1 / EN 61010-1 / UL 61010A-1 / CSA C22.2 No. 1010.1-92. Components are UL listed / recognised.
  • Esco Airstream® Vertical Laminar Flow cabinets come with an extended warranty period of 3 years (excluding consumables and accessories).

Technical Data

General Specifications






External Dimensions (Width x Depth x Height)

730 x 740 x 1250 mm (28.7" x 29.1" x 49.2")

1035 x 740 x 1250 mm (40.7" x 29.1" x 49.2")

1340 x 740 x 1250 mm (52.8" x 29.5" x 49.2")

1645 x 740 x 1250 mm (64.8" x 29.1" X 49.2")

1950 x 740 x 1250 mm (76.8" x 29.1" X 49.2")

Internal Work Zone (Width x Depth x Height)

630 x 645 x 685 mm (24.8" x 25.4" x 27.0")

935 x 645 x 685 mm (36.8" x 25.4" x 27.0")

1240 x 645 x 685 mm (48.8" x 25.4" x 27.0")

1545 x 645 x 685 mm (60.8" x 25.4" x 27.0")

1850 x 645 x 685 mm (72.8" x 25.4" x 27.0")

Air Volume (At Initial Velocity)

660 cmh (+/-70 cmh)

390 cfm (+/-42 cfm)

977 cmh (+/-109 cmh)

575 cfm (+/-64 cfm)

1295 cmh (+/-144 cmh)

762 cfm (+/-85 cfm)

1614 cmh (+/-180 cmh)

950 cfm (+/-106 cfm)

1930 cmh (+/-218 cmh)

1136 cfm (+/-130 cfm)

Laminar Airflow Velocity

Average of 0.45 m/s or 90 fpm measured 150mm / 6" from filter face for 40 air changes / minute (uniformity is +/-20%)

Standards Compliance

Individually performance tested and certified at factory under controlled conditions for:

General requirements: IEST-RP-CC002.2 and AS1386.5

Air cleanliness: ISO 14644.1 Class 4, IEST-G-CC1001, IEST-G-CC1002 and other equivalent air cleanliness requirements

Filter performance: IEST-RP-CC034.1, IEST-RP-CC007.1, IEST-RP-CC001.3 and EN1822

Electrical safety: IEC 61010-1 / EN 61010-1 / UL 61010A-1 / CSA C22.2 No. 1010.1-92

Air Cleanliness Within

Working Area

ISO 14644.1 Class 4, US Federal Standard 209E Class 10 / M2.5, AS 1386 Class 2.5, JIS B9920 Class 4, BS5295 Class D, Class M100,000 as per KS 27030.1 and other equivalent cleanliness classifications of the VDI 2083 and AFNOR X44101

Main Filter Type

ULPA filter with integral metal guards and filter frame gaskets; fully compliant with EN1822 and IEST-RP-CC001.3 requirements

Main Filter Efficiency Ratings

Minimum: 99.9991% at 0.3µm / 99.9985% at 0.12µm / 99.9982% at MPPS Typical: 99.9998% at 0.3µm / 99.9998% at 0.12µm / 99.9997% at MPPS


Disposable and non-washable polyester fibers with 85% arrestance / EU3 rated

Noise Level

Typically <64 dBA at initial blower speed setting measured as per IEST-RP-CC002.2

(figure based on 4 feet cabinet, subject to acoustic properties of test environment)

Light Intensity

>1100 lux / >102 foot candles, measured at work surface level (zero background) as per IEST-RP-CC002.2

Main Body Construction

1.5mmt / 0.06" / 16 gauge electro-galvanised steel with white oven-baked epoxy powder-coated finish

Side Window Construction

Colourless and transparent UV-absorbing 5-6mm / 0.2"-0.24" tempered glass

Work Surface Construction

1.2mmt / 0.05" / 18 gauge stainless steel grade 304

Maximum Power Consumption / Current

220-240VAC / 50Hz 1Ph 282W / 1.00A 298W / 1.30A 312W / 1.35A 332W / 1.44A 576W / 2.50A

110-130VAC / 60Hz 1Ph

382W / 3.20A

398W / 3.32A

412W / 3.43A

432W / 3.60A

776W / 6.47A

Power Supply Options

Choose from the following power supply configuration codes when ordering (e.g. AVC-4A3, for 220-240VAC 60Hz) 1: 220-240VAC 50HZ 2: 110-130VAC 60HZ 3: 220-240VAC 60HZ 4: 110-130VAC 50HZ 5: 100-110VAC 50HZ/60HZ

Net Weight (Approximate)

100 kgs / 220 lbs

123 kgs / 271 lbs

147 kgs / 324 lbs

183 kgs / 403 lbs

220 kgs / 485 lbs

Max Shipping Weight

164 kgs / 362 lbs

206 kgs / 454 lbs

257 kgs / 567 lbs

285 kgs / 628 lbs

330 kgs / 728 lbs

Max Shipping Dimensions (W x D x H)

900 x 950 x 1780 mm (35.4" x 37.4" x 70.0")

1200 x 950 x 1780 mm (42.2" x 37.4" x 70.0")

1500 x 950 x 1780 mm (59.0" x 37.4" x 70.0")

1800 x 950 x 1780 mm (70.9" x 37.4" x 70.1")

2100 x 950 x 1780 mm (82.7" x 37.4" x 70.1")

Max Shipping Volume

1.52 cbm / 53.7 cbf

2.03 cbm / 71.7 cbf

2.54 cbm / 89.7 cbf

3.04 cbm / 107.4 cbf

3.55cbm / 125.4 cbf

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Options & Accessories
Sentra Niaga Puri Indah Blok T3-10
Jakarta 11610 - Indonesia
Telp: +62 (21) 581 8000, 581 9000
Fax: +62 (21) 581 6999
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