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1 . INTRODUCTION
The C9500 series pressure meters includes:-
C9551 Range 0 to ±2 PSI / 0 to ±140mbar Differential
C9553 Range 0 to ±5 PSI / 0 to ±350mbar Differential
C9555 Range 0 to ±30 PSI / 0 to ±2000mbar Differential
C9557 Range 0 to ±100 PSI / 0 to ±6900mbar Differential