Gradko — Air Quality Monitoring
Diffusion Tube
Gradko passive nitrogen dioxide (NO₂) diffusion tube for environmental and workplace air-quality monitoring.
Key Features
- Passive diffusion sampler — no pump or power required
- Measures time-weighted-average nitrogen dioxide (NO₂)
- Suitable for ambient, roadside, indoor and occupational monitoring
- UKAS-accredited laboratory analysis included
- Results within 10 working days (fast track available)
- Tube holders and shelters available separately
A passive (Palmes-type) diffusion tube for measuring time-weighted-average nitrogen dioxide (NO₂) concentrations in ambient and indoor air. Simply expose the tube at the monitoring location — roadside, industrial, indoor or occupational — for the required period, then return it to Gradko's UKAS-accredited laboratory for analysis; results are supplied within 10 working days (pre-booked fast track available). A low-cost, no-power method used for outdoor and indoor air-quality monitoring, traffic and forest management, health-related surveys and workplace/personal exposure assessment. Tube holders and shelters available separately.
Price
Valid 1 Sept 2026 – 1 Sept 2027
£92.00ex VAT
Part No: DIFMLS51
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Technical Specifications
- Type
- Passive diffusion tube (Palmes-type)
- Monitors
- Nitrogen dioxide (NO₂) — time-weighted average
- Analysis
- UKAS-accredited laboratory, results in ~10 working days
- Power
- None — fully passive