5501 Remote Particle Counter

Features & Benefits:

Measures 0.5 μm to 25 μm
0.1 CFM (2.83 LPM) flow rate
Long-life laser diode technology
Measures up to 6 channels of simultaneous data
Approximates mass concentration in μg/m³
(Optional) temperature and relative humidity probe
(Optional) internal vacuum pump
Stores up to 45,000 sample records for on-board data redundancy
Large easy-to-use icon driven color touch screen display
Easy configuration and transferable from instrument to instrument
Connect using Ethernet, USB or (optional) Wireless 802.11 b/g, RS485 or RS232
Static or dynamic IP address (DHCP)
Internal audible alarm
Easy to clean and wipe down with minimal particle traps
Lightweight high-impact injection molded plastic enclosure
2 year warranty
Extended warranties available


The Particles Plus 5501 Remote Particle Counter measures 0.5 μm to 25.0 μm with a flow rate of 0.1 CFM (2.83 LPM) and is the most feature-advanced remote particle counter available. Integration is easy into a building automation and cleanroom management system via Ethernet or (optional) Wireless 802.11 b/g. The 5501 remote particle counters display and report 6 user-selectable particle size channels, as well as Temperature, Humidity and Barometric Pressure. Particles Plus counters can be controlled and monitored remotely via web browser.