Air Sampler Overview, Principle, Usage Method, and Troubleshooting Summary

Air Sampler Overview

Air samplers are crucial environmental monitoring tools widely used in fire预警, air quality monitoring, and industrial waste gas emission detection. These devices utilize specific suction mechanisms to draw air samples from the environment into the equipment, where various pollutants in the air are separated and detected using physical or chemical methods. This provides vital data support for environmental protection, fire预警, and industrial production.

Principle

The basic principle of an air sampler involves utilizing an internal suction pump or power system to draw air samples from the detection area through air sampling tubing into a detection chamber. Inside the chamber, high-precision sensors and separation techniques are employed to convert pollutants in the air into measurable substances, which are then quantitatively analyzed by the analysis system. This process requires the equipment to possess high accuracy and stability, as well as adaptability to various complex environmental conditions.

Usage Method

Preparation:

• Inspect the instrument for any damage, ensuring the sampling device, analysis system, power supply, etc., are functioning properly.
• Confirm the cleanliness of the sampling device to avoid contamination.

Parameter Setting:

• Set the parameters of the sampling device according to the types and concentration ranges of pollutants to be detected, such as sampling time and flow rate.

Installation of Sampling Device:

• Connect the sampling head of the sampler to the sampling point, ensuring a tight connection and avoiding interference from other objects.
• Avoid exposing the sampling head to high-humidity environments.

Sampling Initiation:

• Press the start button on the sampler to begin sampling.
• Maintain a stable environment at the sampling point to avoid interference with sampling results.

Sampling Completion:

• The sampling device will automatically stop working according to the set sampling time.
• Disconnect the sampling device from the sampling point and turn off the sampler.
• Promptly clean and disinfect the sampling device to prevent the spread of contamination.

Data Analysis:

• Send the collected samples to a laboratory for analysis to obtain pollutant concentration data.
• Use appropriate analysis methods (e.g., chromatography, mass spectrometry) to interpret and apply the data.

Troubleshooting and Repair Methods

• Display Screen Not Working:
  • Possible causes: Poor power contact or damaged display screen.
  • Solution: Check power connection and replace damaged components.
• Pump Not Working:
  • Possible causes: Pump stuck or circuit failure.
  • Solution: Clean or replace the sampling pump, check and replace the circuit board.
• Backflow Phenomenon:
  • Possible causes: Operational error leading to absorption liquid being sucked into the instrument.
  • Solution: Disconnect the connection, clean the air path with anhydrous ethanol, and let the pump run idle to evaporate residual liquid.
• No or Reduced Bubble Flow Rate:
  • Possible causes: Leakage causing the gauge pressure to be lower than normal.
  • Solution: Check the pipeline and drying cylinder for leaks and repair promptly.
• Flowmeter Float Not Moving:
  • Possible causes: Float stuck due to liquid intake.
  • Solution: Clean or replace the flowmeter.

Brands and Models of Air Samplers Repaired by Longi Electromechanical

1. SKC Inc.:
   • AirChek Series: AirChek TOUCH, AirChek Essential, AirChek XR5000
   • PCXR Series: PCXR4, PCXR8
   • Universal Series: Universal XR
   • Leland Legacy: High-flow air sampling pump
2. Gilian (Sensidyne):
   • GilAir Series: GilAir Plus, GilAir 5, GilAir 3, GilAir 2
   • Gilian BDX-II: Low-flow air sampling pump
   • Gilian LFS-113: Low-flow air sampling pump
3. TSI Incorporated:
   • AeroTrak Series: AeroTrak 9306, AeroTrak 9310, AeroTrak 9350
   • DustTrak Series: DustTrak II 8530, DustTrak DRX 8533
4. Casella:
   • VAPex Series: VAPex Pro, VAPex Elite
   • Apex2 Series: Apex2, Apex2 Plus, Apex2 Pro
5. Thermo Fisher Scientific:
   • TEOM Series: TEOM 1405, TEOM 1400ab
   • Partisol Series: Partisol 2000i, Partisol 2025i
6. APEX Instruments:
   • XC-6200 Series: XC-6200
   • XC-6000 Series: XC-6000
   • XC-5000 Series: XC-5000
7. Buck Libra (A.P. Buck):
   • Buck Libra Series: Buck Libra Plus LP-5, Buck Libra Plus LP-7, Buck Libra Plus LP-12
8. Zefon International:
   • Escort ELF: High-flow air sampling pump
   • Bio-Pump Plus: Biological air sampling pump
9. Hi-Q Environmental Products Company:
   • CF-1001: Large-flow air sampler
   • CF-902: Environmental air sampler
10. Sibata:
    • MP-Sigma: Personal air sampling pump
    • MP-Σ100N: Low-flow air sampling pump
11. GASTEC Corporation:
    • GV-110 Series: GV-110S, GV-110R
12. BioStage (EAA, Inc.):
    • BioStage Impactor: Air microorganism sampler
13. AirSamplers.com:
    • APB Series: APB-350, APB-360
14. Advanced Instruments:
    • Zefon Escort: High-flow air sampling pump
    • Zefon Bio-Pump: Biological air sampling pump
15. Interscan Corporation:
    • LD Series: LD-3, LD-4

Longi Electromechanical Company has nearly 30 years of experience in repairing headspace samplers. We can quickly repair various instruments and also recycle and sell various headspace samplers. Welcome to consult.