1. Flow 
   1.1 Teledyne Hastings THCD-400 4 CH Cntrl/Meter power supply/readout
   1.2 Teledyne Hastings HFC-303(L) Small Base Digital Mass Flow Controller
   1.3 Teledyne Hastings HFM-305 Mass Flow Meter

2. Pressure
   2.1 Pfeiffer TPG 361 1/2-Channel Measurement and Control Unit for ActiveLine Transmitter
   2.2 Pfeiffer PKR 361, high current, DN 40 CF-F 

   2.3 MKS Type 670B High Accuracy Signal Conditioner
   2.4 MKS Series 946 Vacuum System Controller
   2.5 MKS 690A12TRA Baratron® High Accuracy Absolute Capacitance Manometer, 100 Torr FSR
       https://www.mksinst.com/p/690A12TRA
   2.6 MKS Baratron 1000 Torr    
   2.7 Sealed custom pressure sensor head (3He vapor)

   2.8 Pfeiffer TPG 256 A Vacuum measurement and control unit for Compact Gauges MaxiGauge
   2.9 Pfeiffer TPR 265 - Pirani Gauge
   2.10         TPR 280

   2.11   Pfeiffer 280? one on manifold upto 3 psi
   2.12   Pfeiffer 280? one before manifold after roots upto 3psi
   2.13   Pfeiffer/Baratron? one on LHe below atm 100-200Torr to above atm
   2.14   Pfeiffer 280? one on LN2 upto 3psi

   3.1   1 readout
   3.2-5 sensors
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ether-usb 2port    120 DS-510 silex soft
ether-rs232 4port  300 StartTech or Netburner

eth-usb->usb hub->usb-rs232
usb-rs232  $20-50 (ftdi chip)


teledyne storm
pasternak
RG405

long cables