Protective Boot for Model 804 
  Product #: MO-80450

Zero Filter Kit for Model 804 
  Product #: MO-80846

Carrying Case for Model 804 
  Product #: MO-8517

Flow Meter Kit for Model 804 
  Product #: MO-80530

804 Four Channel Handheld Particle Counter
Accurate – Affordable – Reliable
Small Size —Big Performance
The 804 handheld particle counter is a 4 channel portable particle counter that counts particles 0.3 microns to 10.0 microns - giving you portability and reliability at the lowest price in the industry.
Compley Self-Contained—Selectable Particle Sizes
Don’t let the size fool you—this unit is compley self contained with its own internal battery and sample pump, and is programmable, allowing you to choose your particle sizes of interest from seven sizes: 0.3, 0.5, 0.7, 1.0, 2.5, 5.0 or 10.0 microns.
Fast Sampling
Unlike other counters that can take up to a minute to deliver results, the 804 incorporates user selectable sampling time up to 1 minute and displays counts in as little as 3 seconds. The unit will take single or continuous samples.
Simple Operation
Only two front-panel buttons and scroll wheel provide a user friendly, menu driven platform that provides ease in configuration.
Battery or AC Powered
The self-contained battery pack powers the unit for 30 hours of typical intermittent operation, and for up to 8 hours of continuous use. The included AC charger / adapter operates the counter, even when the battery pack is discharged, and recharges the depleted battery in 2.5 hours.
Flexible Data Interfaces / USB Communication
Stores up to 2500 records for output, Excel formatted output via included single computer software. USB interface provides quick data download and field firmware upgrades. Applications: Controlled Environments Filter Testing Indoor Air Quality Laboratory Environments Process Control Trace Contamination Source HVAC Applications QA Programs

Specifications