Instruction Manual

36
9. Specifications
Product Handheld Laser Particle Counter
Model 3887
Measuring Particle
Size
0.3, 0.5, 5.0μm
(Optional Specification: 0.3, 0.5, 1.0μm)
Flow Rate 0.1 cf/min (2.83 L/min)
Sampling Time 10 sec to 99min 59sec (1 sec increments)
Number of
Sampling Times
1 to 99 times or Continuous
Measurement
Modes
Total 6 modes:
Single / Repeat / Continuous / Calculation / ISO>4 / Remote
Display LCD 20 letters, 4 lines
Error Display Excess Concentration, Laser Power Failure, Flow Error (±10%), and
Low Battery
External I/O USB Mini-B Connector (Wiring is different from USB)
Communication
Protocol
RS232C/RS485: Switched from the “Menu”.
RS232C is for communicating with a computer or printer.
RS485 is for cascade connection.
* In order to use RS485 for communicating with a computer, the computer must
be equipped with a RS485 I/F.
Baud Rate 9600bps (115200bps when linked by data transfer software.)
Buffer Memory 10,000 data records
(CALC mode requires 4 data records for 1 measurement.)
Power Four (4) AA Ni-MH batteries (4.8V-12.1Ah), or AC adapter (input 100-240V)
*The batteries must be charged by the supplied battery charger. They cannot be
charged by the AC adapter.
Battery Life Continuous operating hours: Max 3 hours when using Ni-MH batteries.
(Subject to change depending on operational conditions.)
Dimensions 111(W) × 70(H) × 197(D) mm
Weight Approx. 680g (without battery)
Standard
Accessories
AC Adapter, Power Cable, Ni-MH Batteries, Battery Charger, Filter, Tube,
Communication Cable, Application Software, and Stand, Isokinetic Probe,
Traceability Certificate
Options Printer, Printer cable, Tripod, Carrying Case
*Certain test functions required in China are not included