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Gilson Engineering Sales, Inc. 

April, 2011 4
Puls DIN Rail Mount UPS
Seametrics Water Flow Meters
Drexelbrook Ultrasonic Level and OCF Meter
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Tech Tip

Hi , 


Problem:  We're experiencing signal drift between the 4-wire field transmitter and the grounded receiver on our newly commissioned loop. What's causing this problem?


Moore Isolator 


Solution: The difference in potentials between two grounded, non-isolated devices may result in a ground loop.  Installing a SIY or SIX to break the galvanic path prevents the effects of ground loops, motor noise, and electrical interference.


This is just one of many Problem Solvers  featuerd by Moore Industries. 


Puls DIN Rail UPS Provides Backup Power
Puls UPS
Puls DIN rail mounted UPS

Puls has introduced an innovative UPS design which has greatly simplified the process of providing back up/emergency DC power to critical hardware in the field. This product enables you to keep devices up and running even when main power is lost. The Puls DC - UPS Control Unit design utilizes a single 12 Volt battery to provide 24 Volt DC power to PLCs, radio based telemetry systems and other sensitive systems where the loss of data and long restart cycles can not to tolerated.


This unique UPS system provides:


- DIN Rail Mounted package for compact installation

- Requires only one 12 Volt battery for a 24 Volt output  

   (No     need to match batteries)

- Complete battery diagnostics - including a signal when to replace the battery

- Electronic overload and short circuit protection

- 50% power reserves

- Selectable Buffer Time Limiter

- 3 year Warranty


View video presentation of Puls UPS

View video presentation of Puls UPS

 Download Puls power supply datasheet


 Seametrics Water Flow Meters

Insertion turbine flow sensor
Insertion turbine flow sensor

Seametrics offers a wide array of water flow meter options that include insertion  paddlewheels, insertion turbines, and insertion magmeters.  Any of these styles can be mounted as fixed depth, adjustable depth, or hot-tappable (meaning you can remove from the line without shutting off your process), for a total of 9 different flow meter options that start as low as $500. 


Seametrics can provide an integral or remote mount flow computer with display of flow rate and total, and a 4-20 mA or pulse output with an accuracy of up to 1 to 1.5% F.S.  The insertion magmeter  has the advantage of zero moving parts and can be used to measure some dirty liquids where debris would foul a mechanical meter, depending upon make-up of process.


Seametrics Insertion Flowmeters

Video of Seametrics Insertion Flowmeters


  Submit flow meter application request



Drexelbrook U-sonic Liquid Level & Open Channel Flowmeter


Drexelbrook Usonic
USonic 2-wire level transmitter

The Drexelbrook U-sonic family of ultrasonic transmitters is one of the most powerful and flexible units on the market today.  A few key questions customers typically ask us:


Do you need a separate hand held programmer to set-up the unit?  No, the U-sonic series is 100% field configurable via an integral keypad without requiring another device. However, the integral U-sonic is also HART compatible and can be set-up using a HART communicator or laptop software. 


How does the U-sonic handle obstructions in the tank? Incorporating automatic   "SMARTGain" technology the U-sonic will ignore any false signals from agitator blades or other obstructions in the vessel.  The "SMARTgain" causes the ultrasonic system to attenuate its gain (ability to hear the return echo). The amount of attenuation is based on the known distance from the sensor face to the actual level. By attenuating the gain we have the ability to keep return echoes decibel level seen at the transducer face within a constant decibel range. This means that when levels are close to the transducer, we use a maximum amount of attenuation and when the level is far from the transducer we use a minimum amount of (or no) attenuation.


For an open channel flow application, what if I have a non standard weir or flume?A 21-point strapping table is included for user-defined vessels, weirs and flumes.


Please click on the short video link below for a quick demonstration of the U-sonic level transmitter.


Drexelbrook Usonic Presentation

Drexelbrook U-sonic Presentation

Download USonic 2-wire transmitter datasheet

Download USonic-R 4-wire transmitter datasheet

Submit level control application request


Upcoming Events


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



Florida Water Resource Conference

Location:  Gaylord Palms Resort and Convention Center

Dates:       May 1-4

More info: