MicroBio MB2-RSH Isolator Microbial Air Sampler

The MicroBio MB2-RSH isolator microbial air sampler has a host of features making it ideal for use in sealed compartments, research, clean rooms, pharmaceutical validation and throughout hospitals.

Capable of using both 90 mm Petri dishes or 55 mm contact plates, readily available at low cost with a variety of media makes the MicroBio a very low cost instrument to use. The MicroBio MB2-RSH is an invaluable device for validating isolator cabinets, sealed compartments and rooms.


 MB2-RSH - 220 HoleMB2-RSH - 400 Hole
Sample head220 holes x 1mm
Stainless steel
400 holes x 0.7mm
Anodised Aluminium
Flow (L/min) 100100
Sampling Volume per Sample (litres)25 - 10,00025 - 10,000
Autonomy (litres)> 60,000> 60,000
User defined volumes 66
d50 (µm)1.7 1.35
Particle velocity (m/s)9.6510.83
LCD display
Microprocessor Control
Start delay 1 min to 3 hours 1 min to 3 hours
90mm Petri
55 mm contact x
Control Unit Tripod mount
Sampling head tripod mountOptionalOptional
Control unit dimensions196 x 100 x 40 mm
Sampling head dimensions115 x 100 x 105 mm with attached sampling head
Cable length1m to 10m with locking connectors
Battery 4 x AA NiMH cells, 6V
Battery replacement User replaceable for under £15
Fast charger (minutes)100
ChargerUK, Euro, USA, Australia and 12V in-car
Carry Case/Bag
DTI VAM Validated
Warranty 2 years

Supplied with the MB2 Bioaerosol Sampler

  • Petri dish and contact plate spring sets
  • Available with up to 10 metres of cable
  • 220 x 1.0 mm hole stainless steel or 400 x 0.7 mm hole anodised aluminium sampling head
  • Multi-voltage world-wide charger with UK, Euro, USA, Australia and 12V in-car plugs
  • Ansmann maxE NiMH cells – pre-charged so the MB2 is ready to use out of the box
  • Certificate of Calibration


MicroBio Manual

MB2 RSH Supplement Manual

Positive Hole Correction Analysis Spreadsheet using Excel™ (Windows™ or Libre Office)

Positive Hole Correction Analysis Spreadsheet using Numbers™ (Apple Mac).

MicroBio MB2 IQ/OQ/PQ Document Template

Sampling Head Option

The MicroBio MB2 can be purchased with the option of one of two types of sampling heads.  The MicroBio MB2 will be calibrated for use with the selected head.  If swapping to another head type, the MicroBio MB2 must be re-calibrated.

220 x 1 mm hole stainless steel head

This is the standard head sold with the MicroBio MB2 and MB1 air samplers.  It is designed as a dual purpose head for both 55/60mm contact plates or up to 90mm Petri dishes.  The d50 cut-off point os 1.7 um and has a jet velocity of 9.63 m/s.  It is the ideal head for general purpose sampling in air quality and food production.

MicroBio 220 Hole Sampling Head

400 x 0.7 mm hole anodised aluminium head

Available as a no-cost option, this head provides full coverage of 90mm Petri dishes with a d50 point of 1.35 um and air jet velocity of 10.7 m/s.  These heads are ideal for use in areas needed higher sensitivity of collection.

MicroBio 400 Hole Sampling Head


Tripod  (Part No. P0001TRI001)

Aluminium indoor table-top tripod for use with MicroBio MB2-RSH control and sampling head units. This tripod has a height range of 145 to 245 mm (to base of MB2-RSH control/head unit).


MicroBio Mini Tripod


Replacement Parts

Head Retaining Spring  (Part No. P0001M009)

Replacement sampling head retaining spring.  Sold individually

Head Retaining Spring

Contact Plate Holding Springs  (Part No. P0001M007)

Replacement springs used to hold 55 mm contact plates.  Sold in a pack of 3.

Contact Plate Springs

 Petri Dish Retaining Springs  (Part No. P0001M008)

Replacement springs used to hold 90 mm Petri dish plates.  Sold in a pack of 3.

MicroBio Petri Dish Springs

Spring Retaining Screws  (Part No. P0001SCR003)

Replacement stainless steel M3 x 6 screws used to fasten the dish, plate and head retaining springs.  Sold in a pack of 10.

MicroBio Head Screws