Model 7301
0.3 – 25 µm @ 0.1 CFM with long-life internal pump & battery
The Particles Plus 7301 Remote Particle Counter measures 0.3 to 25 μm with a flow rate of 2.83 LPM (0.1 CFM) and is the most versatile remote particle counter available. The 7301 can be used as a stand-alone battery operated instrument or it can be easily integrated into a building automation and cleanroom management system via Ethernet, or (optional) Wireless 802.11 b/g, RS485 or RS232.
The 7301 reports and displays 6 user-selectable particle size channels, as well as temperature and relative humidity, flow and sensor status, date of last calibration, serial number, laser on-time and date of manufacture for easy maintenance and warranty management.
View data and generate ISO 14644-1, EU GMP Annex 1 or FS 209E reports on screen or via printer, USB key, real time through its versatile output options or export to Particles Plus data-download software. Particles Plus counters can be controlled and monitored remotely via web browser.
The 7301 particle counter stores up to 45,000 time stamped particle count and environmental data records which provides data redundancy on every instrument. The 7301 also has a mass concentration mode that approximates density in μg/m³.
All Particles Plus counters meet ISO 21501-4 and JIS B9921. The 7301 ensures compliance with an on-board pulse height analyzer.
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Size Range |
0.3 to 25 μm |
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Size Channels |
Factory calibrated at 0.5, 0.7, 1.0, 3.0, 5.0, 10.0 μm variable binning |
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Flow rates |
0.1 CFM (2.83 LPM) |
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Concentration Limit |
4,000,000 Particles/ft³ @ 5% coincidence loss |
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Battery Run Time |
>8 hours |
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Light Source |
Long life laser diode |
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Counting Efficiency |
50% @ 0.3 μm; 100% for particles >0.45 μm per JIS |
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Zero Count |
<1 count / 5 minutes (<2 particles / ft³) (per ISO 21501-4 & JIS) |
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Count Modes |
Automatic, manual, real-time meter, cumulative/differential, mass concentration, count or concentration |
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Count Alarms |
1 to 9,999,999 counts |
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Calibration |
NIST traceable |
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Display |
4.3″ (10.9 cm) WQVGA (480×272) color touch screen |
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Printer (Optional) |
External thermal printer available |
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Vacuum Source |
Internal pump with automatic flow control |
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Filtered Exhaust |
Internal HEPA filter |
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Number of Channels |
6 |
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Custom Size Channels |
Calibration for custom size channels available |
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Audible Alarm |
Adjustable built-in alarm |
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Battery |
Removable Li-ion |
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Battery Recharge Time |
<2 hours |
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Reports |
ISO 14644-1, EU GMP Annex 1, FS 209E |
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Recipes |
50 user-configurable recipes |
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Communication Modes |
Ethernet and USB |
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Optional Communication Modes |
Wireless 802.11 b/g, RS485 or RS232 |
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Environmental Sensor |
Includes temperature and relative humidity probe 32º to 122ºF (0º to 50ºC) ±1ºF (0.5ºC), 15-90% ±2% relative humidity |
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Alarm |
Alarms on counts for all particle sizes, low battery, sensor failure, environmental sensors and flow |
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Standards |
ISO 21501-4 and JIS B9921 |
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Calibration |
Recommended minimum once per year |
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External Surface |
Stainless steel |
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Dimensions (L x W x H) |
5.2” x 4.15” x 8.25” (13.3 cm x 10.5 cm x 21 cm) includes barb fittings |
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Weight |
4 lb (1.8 kg) |
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Accessories |
Operating manual on USB flash drive, isokinetic probe, temperature relative humidity sensor, purge filter, battery, data download software, USB cable, power supply & cable |
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Optional Accessories |
Printed manual, spare battery, external battery charger, external printer and isokinetic probes |
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Buffer Memory |
45,000 sample records (rotating buffer) including particle count data, environmental data, locations and times. Scrollable on screen or printout |
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Sample Locations |
Up to 1,000 locations 20 characters long |
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Sample Time |
1 second to 99 hours |
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Power |
110 to 240 VAC 50/60 Hz universal in-line power supply |
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Operating Conditions |
41º to 104ºF (5º to 40ºC) / 20% to 95% non-condensing |
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Storage Conditions |
32º to 122ºF (0º to 50ºC) / Up to 98% non-condensing |
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Warranty |
2 Years. Extended warranties available. |