E-Instruments' CP200 pressure transmitter features air velocity and air flow functions in addition to pressure measurements. The CP200 includes measuring ranges from as low as ± 0.4" H2O to as high as ± 29 PSI; configurable intermediate and center zero ranges; accuracy as tight as ± 1% rdg. + 0.008" H2O; 0.01" H2O resolution; pressure units of H2O, PSI, Pa, kPa, mbar, & mmH2O; simultaneous display of two parameters; two visual (dual color LED) and audible (buzzer) alarms; software or keypad configuration; two output 4-20 mA or 0-10 V (4 wires), RS 232, 2 RCR relays 6A/230 Vac; software or keypad configuration; and air velocity and airflow functions (optional).