Type of cable or fiber Temp coef (ppm/K) Reference Comments
RG-8A -85 Moore & Kriss 1987
RG-214 -60 Andrew Corp. catalog
RG-223 -40 to -100 Lutes & Diener 1989 Varies with T
Belden 99 13 -21 Moore & Kriss 1987
Andrew FSJ4-50B -2 to +6 Andrew Corp. catalog Varies with T
Andrew LDF2-50 -8 to +6 Andrew Corp. catalog Varies with T
Andrew LDF4-50A +7 to +16 Andrew Corp. catalog Varies with T
Bare SMF-28 optical fiber 8
Dreher 2003 “Loose tube” fiber bundle 8
Navarrini et al. 2003 “Firm buffered” fiber bundle 5
These are defaults:
Initial reay 1 setting 2e-9
faulted at 2.5e-10 when vacuum was 4.1e-10
GUN vac 4.1e-10
diag vac 6.2e-10
relay 5 sp: 9e-9
Trip occurred at 4e-10 but resets above vacuum level
Sample chamber fast relay sp: 5e-5
This setting has no effect on the interlock.
Relay 5 5.0e-3
Changed to 3.5e-7 to get a trip. Changed to 5e-5
Chamber pressure 5.3e-7
Fire Marshall has approved the use of fire wire on the condition that the modulator capacitors are of the low hazard 'metal clad' variety.