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Handheld Optical Particle Counters
Three or Five-channel Particle Concentration Measurement
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Versatile
5-channel 3886 OPC
shown with optional RH/temperature and air velocity
probes |
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3887
Optical Particle Counter |
- Particle size channels monitored simultaneously
- Flexible 5-channel model (3886): 0.3, 0.5, 1.0, 3.0, and 5.0 µm
- Economical 3-channel model (3887): 0.3, 0.5, and 5.0 µm
- Simultaneous measurements of other parameters
- Add optional probes to 5-channel 3886 for relative humidity/temperature
and air velocity
- Built-in flow sensor for highly accurate particle concentration measurements
- 0.1 cfm (2.83 L/min) flow rate ± 10%
- User-selectable sampling time and frequency
- Alkaline battery, rechargeable NiMH AA batteries, or AC operation
- Efficient internal data storage and logging
- 500 data points*— Model 3886
- 8000 data points* — Model 3887
- Compact and lightweight
- 5-channel model: 2.2 lbs (980 gm); 8.3 x 4.5 x 2.8 inches
(21.1 x 11.4 x 7.1 cm)
- 3-channel model: 1.5 lbs (680 gm); 7.8 x 4.4 x 2.8 inches
(19.2 x 11.2 x 7.1 cm)
- 5-Channel model (3886) can be used as a multi-point monitor with
cascade connection
- Remote control and real-time monitoring with PC, cable, and software
- Cable and software included with economical 3-channel model (3887)
- Optional accessories available for 5-channel model (3886)
* Does not include
address code function
Handheld 3886 and 3887 Optical Particle Counters (OPCs) simultaneously monitor
particle size channels to provide particle concentration measurements
displayed on a large four-line LCD. A built-in flow sensor enables highly
accurate measurement of particle concentration for clothing and carpet
fibers, mold spores, dust mites, asbestos fibers, skin cells, and other
particles in the measuring range. Optional probes for relative humidity/temperature
and air velocity may be added to the flexible 5-channel 3886 model for
simultaneous monitoring of these important indoor air parameters. Compact
and lightweight, these particle counters are easy to hold and the integral
keypad simple to use. Battery operation allows monitoring in remote locations.
Data can be downloaded to a PC.
Applications for Particle Counters
Particle Counter use has expanded from the semiconductor industry to monitoring critical environments in the pharmaceutical, food processing, and electronics industries. Following are general applications for particle counters.
- Cleanroom verification monitoring
- IAQ
- Checking HEPA filter system efficiency
- Containment verification during remediation projects
- Particle contamination source tracking
- Medical industry
- Aerospace
- Paint spray booths
- Filter testing
Particle Counters in IAQ Investigations
Particle Counters have come to play an important role in Indoor Air Quality
(IAQ) investigations by helping to locate sources of particle contamination
and by indicating areas where further sampling should be performed.
About Optical Particle Counters
- The instrument reads in particles/ft3 or particles/m3 of air.
- The particle counter can be used like a Geiger counter to guide the user closer to the source of particulate contamination.
- If the particle count is high in the 2 to 10-micron range, mold contamination
is often present.
- These particle counts are used in a manner similar to spore counts using spore traps.
- Particle counts are taken inside, outside, and in various zones and compared.
Performance Profile
Particle sizes measured |
3886: 0.3, 0.5, 1.0, 3.0, and 5.0 µm
3887: 0.3, 0.5, and 5.0 µm |
Coincidental loss |
< 5% at 2,000,000 particles/cfm |
Flow rate |
2.83 L/min ( 0.1 cfm) |
| Vacuum Source |
Internal pump, flow controlled |
| Calibration |
PSL particles in air |
| Counting Efficiency |
0.3 µm: 50%, > 0.45 µm:
100% (ISO 21501-4) |
| Zero Count Level |
Less than 1 count/5 minutes (ISO 21501-4) |
Data Storage
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3886: 500 sample records
3887: 8000 sample records |
Sampling time |
1 sec to 99 min 59 sec (adjustable in sec) |
Sampling frequency |
1 to 99 times or continuous |
Count alarm |
1 to 70,000,000 counts |
Measurement modes |
Single/repeat/continuous/calculation/remote |
Interface |
RS-232C or RS-485 (for cascade connection) and RJ-11 connector |
Power |
4 AA-size rechargeable NiMH batteries (included)
AC adapter (100-240 V, included) |
Operating time |
3886: 3.5 hrs with NiMH batteries (1600 mAh)
3887: 3 hrs with NiMH batteries (1600 mAh) |
Dimensions |
3886: 8.3 x 4.5 x 2.8 in (21.1 x 11.4 x
7.1 cm)
3887: 7.8 x 4.4 x 2.8 in (19.2 x 11.2 x 7.1 cm) |
Weight
(without batteries) |
3886: 2.2 lbs (980 gm)
3887: 1.5 lbs (680 gm) |
Accessory Probe Specifications
Temperature/Humidity Probe Model 0842 |
Temperature range |
0 to 50 C (32 to 122 F) |
Accuracy |
± 0.5 C (> 0.2 m/s air velocity) |
Humidity range |
3 to 98% RH |
Accuracy |
± 3% RH (± 5% at the outside of 30 to 85% RH range) |
Air Velocity Probe Model 0843 |
Air velocity range |
0 to 1 m/s (0 to 197 fpm) |
Accuracy |
± 0.05 m/s (10 fpm) |
Ordering Information
| Description |
Cat. No. |
| 3886 Optical Particle Counter includes
AC adapter (100-240 V), zero filter, tube, handle, 4 AA-size NiMH batteries,
battery charger,
calibration certificate, and operating manual |
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745-3886 |
| 3887 Optical Particle Counter includes
AC adapter (100-240 V), zero filter, datalogging software, communication
cable
for PC, 4 AA-size NiMH batteries, battery charger, calibration certificate,
and operating manual |
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745-3887 |
| Accessories |
| Temperature/RH Probe, for Cat. No. 745-3886 |
745-0842 |
| Air Velocity Probe, for Cat. No. 745-3886 |
745-0843 |
| Extension Rod, for Cat. No. 745-3886 |
745-084301 |
| Particle Counter Software, for Cat.
No. 745-3886 |
745-388600 |
| RS-232 Cable, for Cat. No. 745-3886 |
745-388608 |
| Carry Case, for Cat. No.
745-3886 |
745-388602 |
| Carry Case, for Cat. No.
745-3887 |
745-388702 |
Handheld
Optical Particle Counters Spec. Sheet (PDF)
Operating
Instructions Handheld Optical Particle Counter (PDF)
This page was last modified January 17, 2012
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