[Dsg-mvt] [New Logentry] MFC Temperatures

[Amrit Yegneswaran]

Oi brian! you are on vacation, right? 
so what's all this.... 
No matter what you say, do, or think, or what you don't say, don't do, or don't think the universe is evolving as it should. 
enjoy your vacation. 
so, do not do as i do, do as i say. 
you'll get to where i'm in another 30 years. 
don't rush it, my boy. 




From: "Brian Eng" <beng at jlab.org> 
To: dsg-mvt at jlab.org 
Sent: Tuesday, December 5, 2017 7:25:01 PM 
Subject: [Dsg-mvt] [New Logentry] MFC Temperatures 

MFC Temperatures 


Lognumber 3500103 . Submitted by beng on Tue, 12/05/2017 - 19:21. Logbooks: 	HBMVT 


The code for the cRIO that handles the MVT mixing has been updated to read the internal MFC temperature (in °C). 
This way we can track the effect of the insulation/heater plus any correlations with ambient temperature. 

The EPICS PVs are as follows: 

B_DET_MVT_GAS_MIX1_Ar_MFC_TEMP 
B_DET_MVT_GAS_MIX1_C4H10_MFC_TEMP 
B_DET_MVT_GAS_MIX1_CF4_MFC_TEMP 
B_DET_MVT_GAS_MIX2_Ar_MFC_TEMP 
B_DET_MVT_GAS_MIX2_C4H10_MFC_TEMP 

MFC Specifications regarding temperature: 

Operating Temperature Range (Ambient) 10°C to 50°C 

Temperature Coefficients 
Zero < 0.05% of F.S./°C 
Span < 0.08% of Rdg./°C 


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