Archive for December, 2008

The NEW Fluke 725 Multifunction Process Calibrator

Thursday, December 11th, 2008

Calibration instruments calibrate sensors and meters by using electrical signals or physical quantities.  AC voltage, DC voltage, AC current and DC current are common calibration signals.  Devices that produce electrical signals serve as meters for sensor calibration and send output signals to other devices.  Selecting calibration instruments requires an analysis of thermodynamic, environmental, process, electrical and physical properties.  The new powerful Fluke 725 Multifunction Process Calibrator will equip you with what you need to process almost any parameter.

The Fluke 725 measures and sources mA, volts, temperature (RTDs and thermocouples), frequency, ohms and pressure.  They do this by using optional pressure modules.  The split display will also let you view input and output values simultaneously.  For valve and I/P tests, you can source mA while measuring pressure.  This useful tool also has auto-stepping and auto-ramping for remote testing.  You will be able to support flow meter testing, frequency and CPM functions along with powering transmitters.  This process is done during a test using loop supply with simultaneous mA measurement.  Another great feature is the handling of fast pulsed RTD transmitters and PLCs, with pulses as short as 10ms.

Carrying the Fluke 725 with you is easy due to the small, streamlined shape.  It is one of the most durable and reliable calibrators on the market.  The screen is very easy to read and even has a backlight when working in darkness or poor light.  Memory options are useful for storing frequently used test setups.  This memory function allows for a fast set up.

Fluke Corporation is a world leader in the manufacture, distribution and service of electronic test tools and software. They have achieved the number one or number two position in every market they compete in. The Fluke brand has a reputation for portability, ruggedness, safety, ease of use and rigid standards of quality.  We highly recommend the Fluke 725 Multifunction Process Calibrator.   With the simple operation, broad testing options and rugged design, it will work as hard as you do.

Helpful Infrared Camera Hints

Sunday, December 7th, 2008
Infrared Cameras have a variety of uses and applications. Here at Texso Instruments, we have a wide selection of thermal imaging cameras for beginners to seasoned professionals. We want to offer a few tips and tricks on getting the most out of your camera or thermometer.
 
First of all, you need to choose the correct temperature range. When you know the range of temperatures you will be measuring, you can set up your camera to view the temperature range correctly. This will dramatically affect the quality and the temperature measurement accuracy. Another tip is to keep the background simple. Avoid visual obstructions and when working outside, always consider the effect of solar reflection and solar gain on image and temperature measurements. With older cameras, it might be necessary to work at night, eliminating solar reflections that masquerade as fault hot spots. 

Another helpful tip is to know the maximum distance you are working with. If the camera is too far from the target, the target spot will be too small and the accuracy of the resulting temperature measurements will be compromised because the camera will average the temperatures of the target spot and the environment. The closer you are to the item being measured results in the most accurate temperature; however, remember to never get closer than the minimum focal distance of the camera optics. An important point that might seem simple is to hold the camera extremely steady by using a brace for the arm, resting it on a surface or using a tripod. Slight movements will cause blurring and lessen the sharpness of the image.

Lens cleaning and camera maintenance are also extremely important factors. The body of the camera, cables and accessories can be cleaned simply by wiping with a soft cloth. If a stain exists, moisten the cloth with a mild detergent, followed by a dry soft cloth. Never use chemical products on the camera or any cables and accessories for it will lead to deterioration. When cleaning the lenses, first blow off loose dirt with a can of compressed air, and gently clean the lenses surface with a cotton ball, soft cloth, or kleenex. Keep in mind excessive cleaning can break down the coating.

Our selection of infrared cameras are from the best manufacturers who manufacture extremely high quality equipment. We are confident you will be extremely satisfied with your selection. Use these helpful hints to get the most out of your camera.

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