8506-20 Handheld Particle Counter
Model 8506-20
0.3 – 55 µm @ 0.1 CFM (Large Particles)
The Particles Plus® 8506-20 Handheld Particle Counter measures 0.5 to 55.0 µm with a flow rate of 0.1 CFM (2.83 LPM).
Easy to configure, this instrument displays up to 6 user-selectable size channels as well as temperature and relative humidity. 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 8506-20 mass concentration mode approximates density in µg/m³ and allows for density and refractive index corrections to ensure accuracy.
All Particles Plus® counters meet ISO 21501-4 and JIS B9921. The 8506-20 ensures compliance with an on-board pulse height analyzer.
| • Stores up to 45,000 sample records, 1,000 sample locations and 50 recipes |
| • Long life laser diode technology for reliable performance |
| • Approximates mass concentration in μg/m³ with density and refractive index corrections |
| • User selectable PM sizes from 0.5 μm to 75 μm including TPM of up to 75 μm |
| • Large, intuitive color touch screen display with an easy-to-use icon-driven interface |
| • Resolve issues quickly from any location with internet-enabled remote diagnostics |
| • Annotation function allows user to save 32 character notations to a live sample record |
| • Over 10 hours continuous sampling on a single charge |
| • Integrated handle for one-handed operation |
| • Common interface ensures ease of use across all products |
| • Connect using MODBUS™ TCP over Wired. Optional MODBUS™ TCP over WiFi and optional MODBUS™ RTU or MODBUS™ ASCII over RS-485 or RS-232 |
| • Displays user-definable reports for ISO 14644-1, EU GMP Annex 1 and FS 209E |
| • Built-in visual and audible alarms with comprehensive alarm management |
| • Complies with ISO 21501-4 and JIS B9921 standards |
| • Easy to clean and wipe down with minimal particle traps |
| • Equipped with a standard 1/4”-20 female mount for tripod mounting |
| • Lightweight high-impact injection molded plastic enclosure |
| • 2 year Limited Warranty (Extended and Lifetime warranties available) |
| Model | 8506-30 |
| Size Range | 0.5 to 75.0 μm |
| Size Channels | Factory calibrated at 0.5, 1.0, 2.5, 5.0, 10.0, 30.0 μm variable binning |
| Flow rates | 0.1 CFM (2.83 LPM) |
| Concentration Limits | 15,000,000 particles/ft3 @ 10% coincidence (per ISO 21501-4), |
| 30,000,000 particles/ft3 @ 10% coincidence (as tested and validated)* | |
| Aerosol Concentration Range | 0.01 to 20,000 μg/m³ |
| Battery Run Time | >10 hours continuous operation |
| Light Source | Long life laser diode |
| Counting Efficiency | 50% @ 0.5 μm; 100% for particles >0.75 μm per JIS |
| Zero Count | <1 count / 60 minutes (<1 particles / 6 ft3). No fault count subtraction. |
| Count Modes | Particles/second, Real-Time Meter, cumulative/differential (count/m³ and count/ft³) and mass concentration (PM) |
| Count Alarms | 1 to 9,999,999 counts |
| Calibration | NIST traceable |
| Display | 4.3″ (10.9 cm) WQVGA (480×272) color touch screen |
| Optional Printer | External thermal printer available |
| Vacuum Source | Internal pump with automatic flow control |
| Filtered Exhaust | Internal HEPA filter |
| Number of Channels | 6 |
| Custom Size Channels | Calibration for custom size channels available |
| Audible Alarm | Adjustable built-in alarm |
| Battery | Removable Li-ion (Recharge time: 4 hours within instrument, <2 hours with external battery charger) |
| Reports | ISO 14644-1, EU GMP Annex 1, FS 209E |
| Recipes | 50 user-configurable recipes |
| Communication Modes | MODBUS™ TCP over Wired. Optional MODBUS™ TCP over WiFi and optional MODBUS™ RTU or MODBUS™ ASCII over RS-485 or RS-232 |
| Environmental Sensor | Includes temperature (32-122°F, ±1°F / 0-50°C, ±0.5°C) and relative humidity probe (15–90% RH, ±2%) |
| Alarm | Integrated alarms for particle counts (any size channel), sensor failure, environmental sensors, and flow rate |
| Standards | ISO 21501-4 and JIS B9921 |
| Calibration | Recommended minimum once per year |
| External Surface | High impact injection molded plastic |
| Dimensions (L x W x H) | 5.12 × 4.25 × 12.26 in (13.0 × 10.8 × 31.1 cm), including handle but excluding probes |
| Weight | 2.2 lb (1.0 kg) |
| Accessories | User manual + Instrument Management Software (IMS) on USB flash drive, isokinetic probe, temperature relative humidity sensor, zero-count filter, battery, USB cable, and power supply |
| Optional Accessories | Printed manual, carrying case, spare battery, external battery charger, external printer, barbed fittings, and tubing |
| Buffer Memory | Securely stores up to 45,000 sample records with particle counts, environmental data, locations, and timestamps |
| Sample Locations | Up to 1,000 locations 20 characters long |
| Sample Time | 1 second to 99 hours |
| Power | 110 to 240 VAC 50/60 Hz universal in-line power supply |
| Operating Conditions | 41-104ºF (5-40ºC) / 20% to 95% non-condensing |
| Storage Conditions | 32-122ºF (0-50ºC) / Up to 98% non-condensing |
| Warranty | 2 year Limited Warranty (Extended and Lifetime warranties available) |
| *Validated by independent analysis. See paper available at www.particlesplus.com/aac2022_paper | |
4811-6522-8797, v. 6