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February, 2012 4
Precision Digital ProVu just got Smarter
Transit Time vs Doppler Flowmeter Technology
Low Cost Lift Station Monitor
Upcoming Events
Tech Tip, Easy way to Monitor HART info
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Precision Digital ProVu just got Smarter


Precison Digital is pleased to announce the newest addition to the ProVu Series of process displays with the PD6060, adding dual input capability and math capabilities. Each input can independently be configured for type, linearization, and scaling. The math functionality includes:

  • addition,
  • difference,
  • average,
  • multiplication,
  • division, and more.

With available options like dual loop power supplies for field transmitters and an analog output that is assignable to either input, or to the resulting math function, a wide array of applications open up like intake screen differential, totaling multiple flow, chemical pacing, etc. To learn more about the PD6060, visit for videos, datasheets, manuals and more.  


PD video

Click to view video presentation of PD6060 


Download PD6060 datasheet

 Transit Time vs Doppler Flowmeter technology


Many times we visit a process plant and are asked which type of ultrasonic clamp on flowmeter works best for a particular application and why?


"Doppler" ultrasonic flow meters:

Doppler flowmeters require the presence of impurities in the flowstream. Typical process examples would be mining slurries, raw sewage (influent),pond water and return/waste activated sludge.

View video demonstrtation of Transit Time flowmeter
View video demonstrtation of Transit Time flowmeter


"Transit Time" Ultrasonic flow meters

Transit Time ultrasonic flowmeters are used

for clean clear type liquids. Processes such

as water, reclaim water, acids and effluent would

all be good applications to consider using a

transit time ultrasonic flowmeter.


Submit flow application







  Low Cost Cellular Lift Station Monitor
Viper kit with accessories
Viper kit with accessories

OmniSite has released a new, low cost product line, the Viper Kit. The Viper kit is a complete "SCADA in a box". It is a do-it-yourself lift station alarm kit that includes everything you need to install.   It can be installed in less than 15 minutes by following just 4 easy steps. The kit can come with up to 3 pump current monitors and can monitor up to 5 digital inputs and 1 analog input, so it was designed for small to medium sized lift stations.


The Viper works on the same web-based cellular technology as all of OmniSite's other products, so you'll be notified of alarms within seconds via email, text message, or phone call, and as always it includes a full 2 year warranty. This information will be stored on OmniSite's website for a minimum of 2 years. The website allows you to view pump run time, pump draw down time, average flow, total effluent station flow, and other lift station data and alarm histories. All of this information can then be put into charts, graphs, or reports in a few minutes to meet any state, city or EPA requirements.


The unit also features a push to test button, which allows you to locally simulate an alarm to be sure the unit is functioning properly. A fully loaded Viper kit is available with off the shelf delivery for just under $1,200.


 View viper datasheet

Upcoming Events 

 Join us at one of the following events that Gilson Engineering will be exhibiting in:




April 30 - May 1

Florida Water Resources Conference

Renaissance Resort at SeaWorld, Orlando



Tech Tip

Problem: Our non-HART DCS can only read the primary variable signal from our multivariable transmitter but I would like to monitor the other information in the HART signal.



Solution: The Moore Industries model SPA HART loop monitor connects in the control room and provides a 4-20mA output representing any one of the other HART variables. Its three relays can be set to alarm on an out-of-range condition for any of the variables. A fourth relay monitors the overall "health" of your HART transmitter.


Other applications for HART loop monitor:


  • Coriolis flow meter: Mass flow, density, volumetric flow, temperature
  • Valve positioner: Valve position, limit alarm
  • Interface level from guided wave radar level transmitter