Overview4WAYS is a portable, automatic multi-tube air sampler designed for field use and rapid deployment. It supports programmable sampling sequences on four independent channels and includes temperature and relative humidity monitoring. The instrument features an intuitive touchscreen interface for straightforward operation and reduced training time.
Applications- Verification of occupational exposure in public buildings and workplaces.
- Industrial hygiene monitoring in production and process areas.
- Controlled-chamber testing for emissions and exposure studies.
- Quantification of material emissions, including VOCs, using thermodesorption or solvent desorption tubes.
Advantages- Field portable: Compact and transportable for on-site sampling.
- Easy to use: Integrated touchscreen and clear workflow reduce operator intervention.
- Labour saving: Automated sequences on four channels minimize supervision.
- Secured samples: Designed to preserve sample integrity during collection and storage.
- Smart embedded software: Programmable routines and data logging for traceable sampling.
- Standards compatible for VOCs: Suitable for indoor/outdoor VOC sampling using recognized tube methods.
Technical Specifications- Flow rate range: 0 – 1000 mL.min-1 (other ranges available on request)
- Flow rate accuracy: ±1% of Full Scale
- Flow rate uncertainty: ±0.3% of Reading
- Number of channels: 4 (selection by valve system)
- Sampling time: Independently programmable on 4 channels
- Tube type: Thermodesorption and/or solvent desorption tube
- Sample conditions: RH 20–80%; T 2–40°C; atmospheric pressure
- Sensor: Temperature resolution 0.1°C; Relative humidity resolution 1%
- Power supply: Input 100–240V ±10%; 1.8 A max; 50–60 Hz — Output 24V; 2.7A max
- Battery life: Lithium-Ion, autonomy 8 h
- Power consumption: 65 W max
- Dimensions: 40.5 × 33.0 × 17.0 cm
- Weight: 9 kg (including battery and accessories)
- Operational conditions: 2–40°C / 20–80% RH
- Storage conditions: -10°C – +60°C / 0–85% RH
- Display: 5.7" TFT, 320 × 240, integrated touchscreen