The System; Overview; Functionality - TESTO CU-2 User Manual

4 System Overview
4.4.

The System

4.4.1.

Overview

Fig. 4.1 : testo ViPR system consisting of testo CU-2, testo MD19-3E, and testo
ASET15-1
Fig. 4.1 shows a testo ViPR system consisting of testo CU-2 Digital Control Unit, testo MD19-3E
Rotating Disk Diluter, testo ASET15-1 Air Supply / Evaporation Tube. Together with an engine
exhaust condensation particle counter (e.g. TSI 3790 EECPC or GRIMM 5.431) this system
meets PMP requirements and can be controlled via Ethernet.
4.4.2.

Functionality

testo CU-2 Digital Control Unit is built in a standard 19" case and therewith can be integrated into
a 19" rack together with other devices like the controlled testo ASET15-1 with integrated testo
MD19-3E.
An embedded computer is built in with Windows Embedded Standard as operating system. This
permits to operate the unit in different modes: Manual control, local software control, remote
computer software control via Ethernet, or control by host computer via AK interface.
Besides the Testo aerosol conditioning system consisting of testo MD19-3E Rotating Disk Diluter
and testo ASET15-1 Air Supply / Evaporation Tube a TSI 3790 EECPC, GRIMM 5.431 or another
CPC particle counter can be controlled via serial port and up to 5 analog signals from other
external sources can be logged.
Data logged by testo CU-2 can be saved on the integrated flash memory, a USB memory stick or
to any network storage Windows Embedded can access via Ethernet.
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