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  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Huankai
  • Model Number: HKM-II
  • Material: High Quality Aerial Aluminum

CE Certified

 

Application: 

 

Widely used in pharmaceutical company, milk product plant, clinical operation room, fermentation industry et al, where microbial contamination need to be strictly monitored and controlled. Also it is applicable in institutes that need study the air microbial condition.

 

Principle: 

 

This microbial air sampler works based on Andersen collision principle. Air is aspirated (at a fixed speed for variable times) through small holes in the instrument's head. The resulting laminar air flow is directed onto the surface of an agar plate. At the end of the sampling cycle, the plate is removed and incubated and the visible colonies are then counted for an assessment of the level of contamination.

 

How to use:

 

1: Soak medical absorbent cotton in 75% ethanol, and use it to swab air sampler surface, Petri dish pedestal and sampling head et al. 

2: Start the sampler and let it work not less than 5 minutes, making above mentioned disinfector residue evaporate.

3: According to cleanliness requirements to set sampling parameters, then put Petri dish (with medium) inside, and cover the multi-hole sampling head. 

4: Put the air sampler on flat surface 0.8-1.5m above the ground, and then start it begin sampling.

 

Features:

 

1. Automatic air flow compensation:

With built in real time air flow monitor sensor, automatically compensate air flow, avoid air flow divergence caused by medium volume in Petri dish et al. ( HKM-II B)

2. Constant sampling speed: 

Sampling opening wind speed almost same with clean room wind speed, which more accurately reflect microbial concentration of the clean room, and optimizes impact speed, making false positive result get controlled and guarantees microbial sampling efficiency.

3. User friendly interface:

Simple keypad making menu navigation easy, with all sampling information clearly displayed on LCD. The LCD can also monitor sampling amount (0.01-6.0 m³). And user can easily set sampling place code, sampling rate, language, time etc.

4. High efficiency: 

Not need to buy and use special test paper or filter membrane.

5. Sampling direction adjustable:

Sampling head adjustable from horizontal to vertical, can meet multi-angle sampling requirements. Also it is light enough to hold while sampling, or can be mounted on a tripod (tripod is optional by order). 

6. Data traceability:

Every sampling run generates a unique record, which is stored in the unit (holds up to 2000 records). The data is easily accessed and read on the LCD. For HKM-II A and HKM-II B sampler, also built in software which allows data to be downloaded to computer for reporting, printing and analysis.

7. Long time working:

When fully charged, it can work up to 15 hours continuously using battery, which is high volume rechargeable polymeric lithium battery, it has no memory effect, is safe and durable.

8. 95% sampling efficiency: 

Validation work according to BS EN ISO 14698-1:2003 Annex B and Annex C, as carried out by an independent laboratory, which has shown the air sampler have a physical efficiency of 95% for particles 0.8 to 19.0 micron in size.

 

Technical Specifications

 

Collection Efficiency: Physical efficiency was determined using Bacillus subtilis spores and a membrane filter reference method (BS EN ISO 14698-1:2003 Annex B). 

 

Model

HKM-II

HKM-II A

HKM-II B

Air flow

100 liter/min

Impactor nozzle
number

300

Air sample volume

10~6000 liter

Air flow sensor

No

Automatically compensate

Data transfer

No

Using HKM Sampler software

Applicable Petri dish

Φ90mm

Error range

±2.5%

±2%

Weight

2.6Kg

Dimension

110×135×330mm

Cover material

Silvery, bright blue aluminum alloy

Screen

LCD, Chinese and English language

Battery

7.4V rechargeable polymeric lithium battery (can use up to 15 hours)

Charger

110~240V, 50~60HZ (Universal voltage lithium battery charger)

 

Ordering Details:

The Huankai Air Sampler comes in a Huankai hand carrying case, with a sampling head, calibration certificate, manual, warranty and battery charger.

 

 

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