COMPARISON OF VARIOUS COMPARISON OF VARIOUS TYPESTYPES

TypeType FunctionsFunctions

CMC SpCMC Sp Pulse + time + velocityPulse + time + velocity

PVD100PVD100 Pulse + time + velocityPulse + time + velocity

Hydromate CMC3Hydromate CMC3 Pulse + time + velocity + dischargePulse + time + velocity + discharge

CMC Sp PVD100

PVD100 / CMC SpPVD100 / CMC Sp

•Pulse, time and velocity functionality

•LCD display

•‘Cleans’ signal from specific current meters

•Two fan equations

•Display instantaneous point velocity (at end of timing period)

•Internal 3V DC (2*AA alkaline batteries)

•Same timing intervals as CMC20A

HydroMate CMC3 Stream HydroMate CMC3 Stream Gauging ComputerGauging Computer

HydroMate CMC3 Stream HydroMate CMC3 Stream Gauging ComputerGauging Computer

•Pulse, time, velocity and discharge functionality

•LCD ‘touch screen’ display

•Internal re-chargeable ‘D’ size batteries (mains and car charger)

•RS232 communications to laptop

•Memory for up to 32 fan calibration formulae

•Memory for up to 30 stream sites (max. 30 verticals, with max. 11 velocity observations on each vertical)

HydroMate CMC3 Stream HydroMate CMC3 Stream Gauging ComputerGauging Computer

•Measures and displays BOTH instantaneous and average velocity

•Current meter connected by standard ‘banana’ type plugs

•Screen display can be rotated 180°

•Screen display can be set for ‘left’ or ‘right’ handed operators

•Discharge computation by either ‘Mean’ or Mid’ Section methods

•Columbus weight offset feature

•Data output as CSV file to data base