Title: DISCHARGE RATING VERIFICATION
1Hydrological Services America
PVD100 Point Velocity Display
2FEATURES
- Senses and displays velocity counts AND velocity
- Cleans and Filters signals from cats
whisker type current meters
- Top Set Rod version available (CMCSp)
- Powered by 2 type AA alkaline batteries
- Two modes of operation Slow and Normal
- Stores calibration equations for up to 2 fans
with 3 equations per fan
3Hardware Connections
Fan connection (banana type plugs)
RS232 Interface
Count LED
Status LED
Menu button
ON / OFF button
Options select button
4LED Features
- COUNT LED - flashes upon each fan revolution
- - indicates Meter Dwell function
- - indicates faults
- STATUS LED - Green indicates magnetic head
type meter - - Red indicates cats whisker
type meter - - Blue indicates Bluetooth mode
in operation
5Main Display
Indicates meter contact type (Mmagnetic C
cats whisker)
Indicates velocity setting (N normal S
slow)
Indicates total counts during a measurement
Indicates total elapsed time during a measurement
6Main Display (cont.)
Indicates timing interval (10 sec increments from
10 to 90 secs)
Indicates current meter fault
7Main Display Set for Counts
8Main Display Set for Velocity
9Menus
Select Velocity or Counts
Select Feet or Metres
Select Maghead or Cats Whisker
Select Normal or Slow mode
10Menus (cont.)
Press Function then Select to increment time
to desired setting
Press Function then Select to toggle between
ON/OFF settings
Blue LED flashes every 2 seconds
Illuminates once connected then jumps to main
display
11Menus (cont.)
Checks connectivity between the PVD100 and
current meter
Checks serial port connection to an external
device
Checks ASCII data transmission
Checks signal from current meter (cats whisker
type only)
12Spin Test
Press Function button and Select spin option
Connect current meter, spin fan and press Select
Press Select when fan stops spinning
Spin total number of revolutions Finl
total elapsed time
13Fan Equations
Fan A Serial number details
Equation number 1
Equation number 2
Equation number 3
Hyper Terminal used to input fan equations
14Sample Fan Calibration Report
HYDROLOGICAL SERVICES PTY. LTD.,
AUSTRALIA ----------------------------------------
-- CERTIFICATE OF CALIBRATION Date
27/4/06 -------------------------- Current Meter
Model xxxxxx Serial No. 06-999 Fan No. 1
Serial No. 06-123 Diameter 125mm Pitch
0.25m Type of Support Method of Calibration
Average Value Equation n lt 0.42 V 0.2190
n 0.0153 m/s 0.42 lt n lt 3.73
V 0.2459 n 0.0041 m/s n gt 3.73 V
0.2508 n -0.0142 m/s
Range Values
Slope
Intercept
Starting Velocity 0.025 m/s Maximum
Velocity 5.000 m/s Note 'n' denotes the
number of revolutions of the propeller per
second 'V' is the water velocity in meters per
second.
15Battery Replacement
- Open both side panels
- Remove and discard old batteries
- Install 2 x AA alkaline batteries
Holding ON/OFF, Select and Function buttons
simultaneously will re-set PVD100
16Questions?