N-1M Nitrogen Dioxide Color Change Area Contamination Monitors.
One package includes 12 disposable monitors for Nitrogen Dioxide. Color changes from white to yellow. Critical concentration: 5 ppm/15 min.
Area Contamination Monitors: • Can be used by anyone. No hygienists or technicians required.• Monitors are immediately ready for use. No activation required. • Cumulative and one time exposure results are easily obtained and tracked.
ECONOMICAL• Maintenance free - not subject to costly repairs• No expensive analysis equipment required. • Less expensive than other methods. • Versatile: No need for both an air sampler and an exposure meter.
FAST• Quick reading for evaluation of time weighted average (TWA) exposure. • Unlike other methods, no time consuming calculations are required. • No laboratory analyses are required. • Immediate delivery from stock
RELIABLE• Field proven over ten years• 90% Repeatability. • Unbreakable - no sensor drift or sample pumps to break