MKS Micro-Baratron 870B, Instruction Manual, Page: 60 / 68

Physical Specifications Appendix A: Product Specifications
50
Reverse Wire Protection Immune to reverse power wiring effects
Physical Specifications
Attitude (Orientation) Sensitivity Fully functional without regard to operating orientation
< 0.15% of reading per 180° of rotation
Burst Pressure
1000 Torr to 100 psi
101 to 3000 psi
10 times full scale
5 times full scale
Configuration
Type 870
Type 872
Single-ended
Flow-through
Connectors 6’ or 10’ Flying Lead
4-Pin male PTO Bendix (2 configurations) at the end of a 9”
flying lead
9-Pin standard or 15-pin high density male Type “D” at the
end of a 9” flying lead
Fittings
Type 870
Type 872
½” Tube Stub
¼” Weld Stub
Swagelok
®
4-VCR
®
male, rotatable
4-VCR female
¼” Butt Welded “T”
¼” Weld Stub (2 lengths)
4-VCR male, non-rotatable (2 lengths)
4-VCR female, rotatable
4-VCR female, non-rotatable
4-VCR male, non-rotatable / ¼” Tube stub
Full Scale Pressure Ranges 1000 Torr, 60 psia, 100 psia, 250 psia, 1000 psia, 3000 psia
Internal Volume
Type 870
Type 872
< 1.0 cc
< 2.0 cc
Materials Exposed to Gas
Wetted Surfaces
Inconel/Incoloy, polished and passivated
< 5
µ
inch (<0.125
µ
m) Ra, maximum
Nonincendive Device Approval FM3611-1986; Class I, Division 2, Groups A, B, C, & D