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Met One 804 Four Channel Particle Counter Indoor Air Portable Counter
Met One 804 Four Channel Particle Counter Indoor Air Portable Counter
Product Information

Met One 804 Datasheet Met One 804 Datasheet
  Met One 804 Manual Met One 804 Manual
  Met One Indoor Air Portable Counter Measuring System Particle Analysis Indoor Air Quality

Your Price: $1,729.20

Met One 804 Four Channel Particle Counter Indoor Air Portable Counter

The Met One 804 Handheld Particle Counter is a 4 channel portable indoor air particle counter that counts particles from 0.3 to 10 microns, giving you reliability and portability at the most affordable price.

Particle Size Selection
The Met One 804 portable counter is totaly self contained and has an internal battery, sample pump, & is programmable which allows you to select 7 particle sizes of 10.0, 5.0, 2.5, 1.0, 0.7, 0.5, or 0.3 microns.
Fast Sampling
Met One's 804 sets itself apart from other counters which can take 1 minute to produce readings by incorporating selectable sampling times up to one minute & display counts as short as 3 sec. The 804 can take continuous or single samples.
Simple Operation
The Met One 804 particle counter has only 2 buttons on the front panel & scroll wheel give you a menu driven user friendly interface that is easy to configure.
AC Power and Battery
The internal battery pack which is self contained can provide unit power for 30 hours normal intermittent operation, & up to a maximum of 8 hours for continuous operation. The AC adapter / charger can power the 804 even if the battery is completely discharged, and can completely recharge the battery in 2 1/2 hours.
USB / Data Interface Flexibility
The 804 indoor air particle counter can store 2,500 records to output in Excel Format using the included computer software, and also has a USB interface that enables quick data downloads and upgrades to your field firmware.
Met One 804 Particle Counter Applications
  • Indoor Air Quality
  • Controlled Environments
  • Process Control
  • Filter Testing
  • HVAC Applications
  • Laboratory Environments
  • QA Programs
  • Trace Contamination Sources


OPERATING PRINCIPLE Individual particle counts with scattered laser light
Range of Particle Sizes Four Channels - >10.0, >5.0, >2.5, >1.0, >0.7, >0.5, and >.03 μm (selectable)
Concentration Range 0 ot 3,000,000 particles per cubic foot (105,900 particles/L)
Sensitivity 0.3 μm
Accuracy 10%, to calibration aerosol
Flow Rate 0.1 cfm (2.83 lpm)
Status Indicators Low Battery, Service
Sample Time Adjustable (3-60 seconds)
Light Source Laser diode, 30 milliWatts, 780 nm
Power A 7.2 Volt Li-Ion self contained battery pack delivers 30 hrs. of typical intermittent
operation, continuous use 8 hrs. max.
AC Adapter / Charger AC to DC intelligent Li-Ion charger 100 to 240 Volts AC - 8.4 Volts DC @ 1500 milliAmps typical.
Normal charging time 2 1/2 hrs.
Certifications Meets or exceeds ASTM, ISO, CE, & JIS international certifications
Communications USB
Display 2 line by 16 char. LCD
Keyboard Two button membrane
Width 3 3/4 inches (9 1/2 centimeters) Height 6 3/4 inches (17.2 centimeters)
Thickness 2 inches  (5.1 centimeters)
Weight 1.31 pounds (21 oounces) (0.60 kilograms)
Operating Temperature 0 to +50 degrees C
Storage Temperature -20 to +60 degrees C
AC to DC Converter Module with IEC AC Power Cord
Operation Manual
USB Cable
NIST Traceable Calibration Certificate
Protective Boot (P/N 80450)
Carrying Case (P/N 8517)
Flow Meter Kit (P/N 80530)
Zero Filter Kit (P/N 80846)
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