BEAMEX MC4, User Manual

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Things to Consider when Measuring Pressure
MC4 User Guide 111
Pressure Modules and their Naming Conventions
MC4's software refer to pressure modules as follows:
NPM200mC
which means that there is an i n ternal p ressure m odule installed with
a -200 to + 200 mbar (-3 to +3 psi) pressure range.
The names of MC4's internal pressure modules start with the letters
NPM . The names also include numbers and possible additional
letters as follows:
•
The number defines the max. nominal pressure in the SI
pressure unit bar .
•
If the number is followed by a small " m ", the given max. nominal
pressure is given in mbar .
•
The additional letter C means the pressure module is a
compound module with an ability to also measure negative
gauge pressures.
Examples: Name Measurement range in psi
NPM200mC ±200 mbar ± 3
NPM20C -1 I 20 bar -14.5 I 300
NPM160 0 I 160 bar 0 I 2400
Notes.
Compound modules with a max. nominal pressure above 1 bar (e.g.
IPM20C) are able to measure negative pressures down to -1 bar.
Compound modules with a max. nominal pressure below 1 bar (e.g.
IPM200mC) are only able to measure as deep negative pressures
as positive pressures.
External pressure modules have a naming convention that is similar
to internal ones.