Casella CEL Microdust Pro real time dust monitor - Manual (Page 45)

MicroDust Pro Aerosol Monitoring System
45 Casella CEL
Recorded values Average concentration over logging interval
Maximum and average values for the entire logging
period are saved at the end of each logging run.
Serial interface RS232 in discrete steps up to 38400 baud
IrDA expansion capability
Analogue output 0 V to 2.5 V DC FSD, 500 Ω output impedance
Digital output (available only when the alarm is selected – refer to “ Alarm ” on
page 20):
Alarm ON 2.5 V
Alarm OFF 0 V
7.2 Maintenance
The instrument requires cleaning by the factory annually, or more frequently
under severe measuring conditions.
7.3 Optional accessories
176086B 12 V DC charging lead for use in a car
180043B Extension cable for sampling probe (10 metres)
7.4 Standards compliance
The MicroDust Pro instrument complies with EMC Directive 89/336/EEC of
the European Union. It has been tested according to the standard delivery
schedule and complies with the following standards:
EN 50081-1 : 1992
EN 50081-2 : 1993 Generic emission standards for residential,
commercial, light industry and industrial
environments
EN 50082-1 : 1992
EN 50082-2 : 1995 Generic immunity standards (both for RF fields and
for electrostatic discharge) for residential,
commercial, light industry and industrial
environments
EN 61000-4-2 : 1995
IEC 61000-4-2 : 1995 Electromagnetic compatibility (EMC).
Testing and measurement techniques.
Electrostatic discharge immunity test.