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February 24, 2014



Almost every piece of equipment—from a computer to an oscilloscope and beyond—uses a power supply. Scientists expect power supplies to keep going and going. Luckily, most of them do. Those power plants inside devices, though, come in a wide assortment.

Although the primary job of power supplies is making power, scientists want them using less of it. “There’s a dramatic shift in interest, from a cost perspective, toward power reduction and understanding the power requirements,” says Mark Swift, marketing manager at Universal Electric Corporation (Canonsburg, PA). “There’s lots of power-monitoring equipment being installed.”

In many cases, improving power efficiency spurs more funding. As Swift explains, “Lots of funding is tied to reductions in power usage, so there’s a need to see where you’re starting from before you can put together a plan to reduce it.” That plan often includes selecting new power supplies that are more efficient. 

To continue reading about power supplies in the lab click here.

DV2T Viscometers/DV3T Rheometers Touch Screen Technology for viscosity measurement and control of liquids and semi-solids

Key Benefits:

  • plug and play testing with a USB drive
  • ability to see viscosity test data live on the screen with the trend behavior
  • enhanced security with individual login settings and step program status
  • graphically displayed measured viscosity and yield stress values (DV3T)
  • Pass/Fail limits for data acceptability are easily programmed into the instruments for use on the production floor
  • automatic interpretation of data results

Visit the Brookfield Engineering Website for more information on their products.

628 Series - Carbon/Hydrogen/Nitrogen Analyzer

By incorporating state-of-the-art hardware and software technology with key improvements in overall instrument performance and reliability the 628 Series makes it possible to achieve fast results in organic matrices from food to fuels. For optimum versatility, this instrument is available in flexible configurations— nitrogen/protein, carbon/nitrogen, and carbon/hydrogen/nitrogen.

Visit the LECO website to learn more about their analytical instruments.

Plenty of discussions are happening on LabWrench all the time. We have many questions come in daily from users that are seeking advice from fellow users and lab professionals on LabWrench. Can you help any of these users find the answers they are looking for?

PerkinElmer 1600 Series FT-IR - Dram Error Reports
After moving our FTIR from one site to another the following error messages are being shown Dram Error v13 does anyone know what this is or how to fix it. Help this member.

EPPENDORF Mastercycler - TSensor 1 Err
We have a Mastecycler gradient 5331 and it shows Tsensor 1 Err message.  It works and finish the program normally when it works empty. But it shows Tsensor 1 Err when it works with samples.  Could you help us? Should we replaced only the sensor or the whole thermoblock? Advise this member.

Sakura Tissue-Tek Cryo3 (Model 5800 Cryo3+ thermistor)
Please help.  Can anyone out there tell me where the cabinet temperature probe on the inside right connect to the upper console electrical strip ...the wires were removed and I have no clue where to connect the thermistor wires on this electrical strip. Share your knowledge.

View all Questions and Discussions on LabWrench

Thank you Distek for sponsoring the Dissolution Testing category on LabWrench.

Distek, Inc. is a leading manufacturer of pharmaceutical laboratory instruments, specializing in dissolution testing products, as well as an experienced provider of validation and qualification services.

In addition, Distek provides solutions for dissolution media heating, degassing, and dispensing, in-situ fiber optic UV, bathless tablet disintegration testing, physical tablet testing, and programmable automated sampling.

Founded in 1976, Distek has grown to offer their innovation and support to companies worldwide. Their success is dependent upon Distek's employees, who bring their expertise, experience, and dedication to providing dissolution products and services of the finest quality.

Conduct dissolution testing like never before!

Visit the Distek website to learn more about their products and services.

The new dimension in turbo molecular pump engineering - TURBOVAC i

Oerlikon Leybold Vacuum presents a new line of turbo molecular pumps with integrated drive electronics. The new pumps of the TURBOVAC i product line consistently offer the highest performance even for widely differing requirements.  Read more.

Lightweight Electronic Pipettes

The new VIAFLO II multichannel electronic pipette range from INTEGRA combines ultra lightweight design and unsurpassed operation comfort enabling users to improve efficiency in their working environment.  VIAFLO II electronic pipettes together with INTEGRA’s wide range of GripTip pipette tips form the perfect pipetting system. Read


Protea Announces Release of New Gel Protein Recovery System

Protea Biosciences Group, Inc. (“Protea”) a leading developer of innovative bioanalytical products and services, announced the release of their advanced Gel Protein Recovery GPR-850 instrument. The GPR® System delivers efficient recovery of gel separated intact proteins through a multiplexed, automated, microfluidics chip-based process. Read more.

View all News Articles on LabWrench

New Developments in HPLC

Thurs. March 13, 2014
12:00 - 1:30 PM EST

 Register Now!

Sponsored by

We have so many questions filling our forums that sometimes questions can be missed and go without answers. Can you help us provide answers for these users with unanswered questions?

Distek Opt-Diss 405 - Fiber Opt Diss Comparison with HPLC
At this time I'm a new user with the Fiber Optic Dissolution system. I did a trial run and compare the results previously tested using the HPLC. When I looked at the results, I do have a 10% more of the HPLC % Dissolved.
Is there % comparison? Help this member.

Gilson 321 chromatogram size
I use Unipoint software on a Gilson HPL and I've a problem with the chromatogram view during the run.  I click over the graph and suddenly it has become very small. What can I do to reset the chromatogram to its original size? Respond by clicking here.

Wilson Hardness Rockwell 574 - Code E06 displayed on the display window
We have a flashing message of E06 - Limits Error for The Wilson Hardness Rockwell 574.  Would you assist us to trouble shoot the problem?  Respond here.

View all Questions and Discussions on LabWrench

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