Phenix Ancillary Temperature Measurement Requirements

date: 10/11/94

EMCAL requirements

 accuracy:       .1 degree C  
 
 range:          20 - 60 degree C 
 
 sensor type:    RTD 

operational requirements

Alarm operators on overheading for tube sections of Pb Sc and crystals underheating on the crystal insides and on the existance of a temperature gradient between sensors display

units:

 
  Celcius 

physical location

The temperature sensors will be located on supermodules.

Quantity

crystals

• 64: 4 heater foils for each of 16 supermodules
• 128: 8 readout sensors (RTD) for each of 16 supermodules Pb

PbGl

Unknown at this time.

PbSi

• no heaters
• 216 temperature sensors (2 per supermodule; 108 supermodules)
• total: 344

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BB requirements:

• quantity: 20

sensor type:

MVD

requirements:

• quantity: 20

sensor type:

Unknown at this time.

RICH

requirements:

• quantity: 20

sensor type:

Unknown at this time.

TOF

requirements:

• quantity: 50

sensor type:

TRACKING

requirements:

• quantity: unknown

sensor type:

Unknown at this time.

MUON ID

requirements:

• quantity: 20

sensor type:

PHENIX COOLING

requirements:

• quantity: unknown

sensor type:

monitoring functions:

person responsible: unknown

total phenix requirements:

• monitoring: 474 channels
• control: unknown

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