Smart environmental monitoring solutions
The 9501 Modbus particle counter provides a range of particle size measurement from 0.5 to 25.0 μm at a flow rate of 0.1 CFM (2.83 LPM). These sensors allow for efficient particle counting with specifications that exceed the ISO 21501-4 and JIS B9921 calibration standards.
These sensors have 6 user-selectable particle size channels (up to 30 channels optional) and are equipped with an integral critical orifice and flow sensor to provide a stable flow rate from an external vacuum source. Integration into a building automation or facility monitoring system is easy via isolated RS-485 Modbus communication.
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| Measures 0.5 um to 25.0 um |
| 0.1 CFM (2.83 LPM) flow rate |
| Long-life laser diode technology |
| Measures up to 6 channels of simultaneous data (30 channels optional) |
| Particle concentrations up to 15,000,000 Particles/ft3 @ 10% coincidence loss |
| Internal critical orifice |
| User-selectable channel sizes |
| Stores up to 65,000 sample records for on-board data redundancy |
| (Optional) temperature and relative humidity probe available |
| Connect using Modbus RTU/ASCII over isolated RS-485 |
| Complies with ISO 21501-4 and JIS B9921 standards |
| Easy to clean and wipe down with minimal particle traps |
| Versatile mounting options |
| Alarm light |
| LED Indicators |
| Model | 9501 |
| Size Range | 0.5 to 25 um |
| Size Channels | Factory calibrated at 0.5, 0.7, 1.0, 2.5, 3.0, 5.0, 10.0 um Variable binning – user defined channel sizes |
| Number of Channels | 6 channels (up to 30 optional) |
| Counting Efficiency | 50% @ 0.5 um; 100% for particles > 0.75 um per JIS |
| Flow rates | 0.1 CFM (2.83 LPM) |
| Concentration limit | 15,000,000 Particles/ft3 @ 10% coincidence loss |
| Light Source | Long life laser diode |
| Zero Count | <1count/60minutes(<1particles/6ft³) |
| Count alarms | 1 to 9,999,999 counts |
| Calibration | NIST traceable |
| Vacuum requirements | External vacuum > 15″ (38.1 cm) of Hg |
| Airflow | Internally monitored |
| Configuration/Download | USB mini-B |
| Alarm | Alarm LED ring |
| Custom Size channels | Calibration for custom size channels available |
| Airflow | Internally monitored |
| Communication Modes | Modbus RTU/ASCII over isolated RS-485 |
| Optional Communication Modes | Wireless 802.11 b/g, RS485 or RS232 |
| Environmental Sensor | (Optional) Temp and RH probe 32? to 122?F (0? to 50?C) ?1?F (0.5?C), 15-90% ?2% relative humidity |
| Standards | ISO 21501-4 and JIS B9921 |
| Instrument Calibration | Recommended minimum once per year |
| External Surface | Stainless steel |
| Dimensions (L x W x H) | 3.59” x 1.83” x 5.01” (9.1 cm x 4.6 cm x 12.7 cm) including probes and connectors |
| Weight | 1.65 lb. (0.75 kg) |
| Accessories | Operating manual on USB flash drive, isokinetic probe, power supply & cable |
| Optional Accessories | Printed manual barb fittings, mounting bracket and sample tubing, IMS-RT monitoring system |
| Buffer memory | 65,000 sample records (rotating buffer) including particle count data and environmental data |
| Sample time | 1 second to 99 hours |
| Power | 9 – 24VDC (< 2.5 watts) |
| Operating Conditions | 41º to 104ºF (5º to 40ºC) / 20% to 95% non-condensing |
| Storage Conditions | 32º to 122ºF (0º to 50ºC) / Up to 98% non-condensing |
| Warranty | 2-year limited warranty. Extended warranties are available. |
Talk to our sales team. Call +61 2 9622 6327
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