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Microbial Air Sampler NMAS-202 – Laboratory & Cleanroom Monitoring


What is a Microbial Air Sampler NMAS-202?

Microbial Air Sampler NMAS-202  is a controlled air monitoring device used to detect and quantify viable airborne microorganisms. It ensures contamination control by capturing microbes from air onto culture media for laboratory analysis.

It is primarily used in environments where air quality directly impacts product safety and regulatory compliance.


What is it Used For? 

Microbial Air Sampler NMAS-202 is used for:

  • Monitoring airborne microbial contamination

  • Cleanroom validation and qualification

  • Pharmaceutical production quality control

  • Sterility assurance in healthcare environments

  • Food safety and hygiene monitoring

  • Environmental microbiology testing


Why is it Important?

Microbial air monitoring is critical because airborne microorganisms can:

  • Contaminate sterile products

  • Compromise pharmaceutical safety

  • Cause batch failures in production

  • Violate regulatory compliance standards

Microbial Air Sampler NMAS-202 helps maintain:

  • Controlled air quality

  • Regulatory compliance

  • Product sterility assurance


How Does Microbial Air Sampler NMAS-202 Work? 

  1. Air is drawn at a controlled flow rate

  2. Air passes through sterile agar plates, filters, or impingers

  3. Microorganisms impact and attach to the media

  4. The media is incubated under controlled lab conditions

  5. Microbial growth is measured as CFU

  6. Results are used for contamination assessment and reporting


Core Functional Capabilities

  • Adjustable airflow (50–500 L/min)

  • Compatible with agar plates, filters, and impingers

  • Digital monitoring interface

  • Portable and compact design

  • High sampling accuracy and repeatability

  • Supports GMP and ISO 14698 compliance


Technical Specifications

Parameter

Specification

Flow Rate

50–500 L/min

Sampling Volume

Programmable

Media Compatibility

Agar plates, filters, impingers

Display

Digital interface

Power Supply

220V AC, 50Hz

Dimensions

300 × 200 × 250 mm

Weight

~4.5 kg


Where is Microbial Air Sampler NMAS-202 Used?

  • Pharmaceutical cleanrooms

  • Biotechnology laboratories

  • Food processing environments

  • Hospital sterile zones

  • Environmental monitoring labs


When Should You Use It? 

Use Microbial Air Sampler NMAS-202 when:

  • Airborne contamination must be measured accurately

  • Regulatory compliance is required

  • Sterile manufacturing environments must be validated

  • Routine environmental monitoring is needed


Compliance Explained 

  • ISO 14698 → Standard for controlling and monitoring microbial contamination in clean environments

  • GMP → Ensures products are consistently produced under controlled hygienic conditions


Alternative Equipment

  • Compressed Air Sampler → for pressurized systems

  • Particle Counter → for real-time particulate monitoring

  • Ambient Air Sampler → for general environmental air testing


Comparison Table 

Feature

NMAS-202

Compressed Air Sampler

Ambient Air Sampler

Purpose

Microbial monitoring

System air testing

Environmental air quality

Output

CFU count

Contamination level

Air quality data

Best Use

Cleanrooms, labs

Industrial systems

Indoor/outdoor environments

Method

Active sampling

Pressure system sampling

Passive/active sampling


Frequently Asked Questions 

  1. What is Microbial Air Sampler NMAS-202 used for?
    It is used to monitor airborne microorganisms in controlled environments like cleanrooms and laboratories.

  2. How does it measure contamination?
    It collects airborne microbes on sterile media and measures growth after incubation as CFU.

  3. Can it be used in cleanrooms?
    Yes, it is designed specifically for cleanroom environmental monitoring.

  4. What does CFU mean?
    CFU stands for colony-forming units, which measure viable microorganisms.

  5. What standards does it follow?
    It follows ISO 14698 and GMP guidelines.

  6. What microorganisms does it detect?
    It detects bacteria, fungi, yeast, and spores. 


Quick Summary

Microbial Air Sampler NMAS-202 is a high-precision air monitoring device designed to detect and quantify viable airborne microorganisms such as bacteria, fungi, yeast, and spores. It draws a controlled volume of air and captures microbes on sterile culture media for incubation and colony-forming unit (CFU) analysis. Commonly used in pharmaceutical cleanrooms, biotechnology laboratories, hospitals, and food processing facilities, NMAS-202 supports contamination control, cleanroom validation, and compliance with ISO 14698 and GMP standards.

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