Cluster II : PEACE
 

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Flight Instruments Undergoing Integrated System Level Testing
 

    left: PEACE FM06 Instrument
    in MSSL Clean Room

    right: PEACE FM07 Instrument
    in MSSL Clean Room

    (click to enlarge)
 
 
 
 
 

The LEEA and HEEA Sensors

The LEEA Sensor has a larger collimator than the HEEA Sensor, to give a smaller geometric factor. LEEA can measure effectively in higher flux environments than HEEA.

HEEA has an extra connector on the Sensor Electronic Unit, through which data is supplied to the Correlator (part of the Digital Wave Processing experiment).

The Sensor Heads have additional radiation shielding compared to their ill-fated Cluster counterparts.

    left: Cluster II LEEA Sensor :
    Showing Larger Collimator

    right: Cluster II LEEA Sensor:
    Showing No Correlator Connector

    (click to enlarge)
 
 
 
 
 

    left: Cluster II HEEA Sensor:
    Showing Smaller Collimator

    right: Cluster II HEEA Sensor:
    Showing Correlator Connector
 

    (click to enlarge)
 
 
 
 
 

Image of the Data Processing Unit
 

        Cluster II PEACE DPU:

        The Data Processing Units have a little
        additional radiation shielding, unlike the
        original Cluster DPUs.

        (click to enlarge)
 
 
 
 

Photographs by Martin de la Nougerede, MSSL. Do not reproduce without permission.

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By Andrew Fazakerley
Last  updated on 26/06/00  by S.Szita