Thru-FLO Pressure Transducers From DJ Instruments


Billerica, MA (April 18, 2008) . . . A line of flow-through pressure transducers from DJ Instruments are designed for use in HPLC pump applications. These precision pressure transducers provide the accurate feedback needed to help OEM's meet the required flow rate accuracies and precision from their pumps. They feature high pressure (up to 15K PSIG) capability and are widely used in the HPLC industry for a variety of challenging applications.

The HPLC technique uses pumps to effectively create mixtures and flow rates, normally under high pressures, that deliver the chemistry without pulsation accurately to the column for separation and analysis. In order for these styles of pump systems to deliver non-pulsed, accurate chemistry mixtures, precise flow and timing under extremely high pressures and positive loop feedback to the pump control systems/circuits is required.

The family of thru-FLO(TM) transducers provide rugged, reliable performance for HPLC applications. They have numerous features and benefits including:

-Flow-through design and a variety of styles including low profile, dual element, sanitary, and high range

-A proprietary one-piece internal volume sensing element design that has a true zero internal dead volume; this 'fully swept' design eliminates the possibility of trapped particles and contamination since there are no internal cavities.

-Low hysteresis using the highest quality materials of construction, including 316 stainless steel, titanium and numerous ID coatings to resist abrasive and corrosive solvents.

-Availability for high pressure ranges from 5K PSIG (normal) HPLC to UHPLC of up to 15K PSIG

In addition, all thru-FLO(TM) transducers feature high accuracy (within 0.25% of full scale), excellent EMI protection, a small footprint and a rugged design.
About DJ Instruments

Since 1971 DJ Instruments has provided standard and custom engineered strain gage sensors, transducers and sensor systems for general and specific OEM requirements. A member of the Dynisco group, DJ Instruments is a unique provider of custom solutions for OEM's for a variety of industrial applications. More information about DJ Instruments can be accessed at the company's website at

About Dynisco

Dynisco is a leader in providing analytical instrumentation and sensing technologies to industrial applications, with an emphasis on the plastics and rubber industries. The Company has manufacturing facilities in the Massachusetts, New York, Ohio, and Malaysia. Dynisco serves a diverse group of customers throughout the world, including OEM's, distributors and end users. For more information about Dynisco, visit the company's website at

Dynisco is part of the Energy Systems and Controls segment of Roper Industries, a market-driven, diversified growth company with annual revenues in excess of $1.5 billion, and a component of the S&P MidCap 400 and the Russell 1000 indexes. Roper provides engineered products and solutions for global niche markets, including water, energy, radio frequency and research/medical applications. Additional information about Roper Industries is available on the company's website at

38 Forge Parkway
Franklin, MA 02038
Tel. (508) 541-9400


Greg Hannoosh
Next Step Communications Inc.
(978) 363-5372

David Shepard
VP-Industrial Business Segment
(508) 541-9510

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