| Product |
Handheld Particle Counter |
| Model |
3888 (3-channel model) |
3889 (6-channel model) |
| Particle Measurement |
Sizes |
3 channels (0.3, 0.5, 5.0μm) |
6 channels (0.3, 0.5, 1.0, 3.0, 5.0, 10.0μm) |
| Flow rate |
0.1CFM (2.83L/min)
Accuracy: ±5% (Compliant with JIS B9921 and ISO21501-4) |
| Maximum measurable Concentration |
10% for 2,000,000 particles/CF (compliant with JIS B9921 and ISO21501-4) |
| Counting efficiency |
50±20%（for PSL particles near the minimum measurable size）
100±10%(for PSL particles of 1.5 to 2 times as large as the minimum measurable size) (Compliant with JIS B9921 and ISO21501-4) |
| False count |
≦1 particle/5 minutes
(Compliant with JIS B9921 and ISO21501-4) |
| Size resolution |
≦15% (for PSL particles near 0.3μm)
(Compliant with JIS B9921 and ISO21501-4) |
| Display |
4.3 inch color LCD, Resistive touch panel |
| Communication |
Standard |
USB (Host: for printer and USB flash memory, Device: for PC) |
| Stand (option) |
RS485, Ethernet, and WiFi connection points in the base/stand |
| Recording media |
Media |
Internal memory |
| Number and format |
Up to 10,000 records in CSV format |
| Language |
English, Japanese, Chinese, and Spanish |
| Power |
Internal supply |
Li-ion rechargeable battery (Replaceable) |
| External supply |
AC adaptor Input 100 to 240 V |
| Continuous operation time |
5 hours(Single measurement) |
| Operating environment |
Main body |
From 10 to 40 ℃, from 0 to 85%RH (With no condensation) |
| Probe |
From 0 to 50 ℃, from 2 to 98%RH(With no condensation) |
| Dimension |
W213 X H100 X D55 mm |
| Weight |
650g |
| Hydrothermal Measurement (Available as an option for the 6-channel portable particle counter) |
Measurement range |
(Temperature)From 0 to 50°C
(Humidity)From 2.0 to 98.0％RH |
| Display resolution |
(Temperature)0.1°C
(Humidity)0.1％ |
| Humidity accuracy |
±3.0% (30 to 85%RH), ±5% (other range of humidity) |
| Temperature accuracy |
±0.5°C |
| Response time |
Approximately 60 seconds or less(90％ response) |