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Water-resistant case holds tri-sensors for QUESTemp 3x and 4x Series, QT-32, QT-34, QT-36, QT-44, QT-46, QT-48N, 2-inch globes and accessories

Purge filter assembly for use with AeroTrak®+ 0.1 CFM Remote Particle Counters.

The Dummy Sensor is used to seal a socket when no sensor is present. This is an accessory for EVM-7 Environmental Monitor.

Pack of 5 replacement PM sensors for the BlueSky™ Air Quality Monitor.

PM Sensor

Expansion Chamber Adapter O-Rings, Set of 10

MSLI O-Rings, Set of 3

Carrying case 

Representative sampling of ultrafine particles requires appropriate conditioning and transport of the aerosol sample. The model 3750200 is designed to deliver a representative sample of ambient air to particle measurement instruments.

Monitoring ambient particle concentrations at pollution hot spots such as major traffic junctions, motorways, airports, or seaports can be challenging for Condensation Particle Counters (CPCs). The high concentrations of ultrafine particles can frequently exceed the maximum...