Superior AccuTrak VPX-WR User Manual Download Page 1 | Manualshive

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Model: VPX-WR

USER’S MANUAL

www.SuperiorSignal.com

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Superior Signal Company LLC 2015

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Summary of Contents for AccuTrak VPX-WR

Page 1: ...Model VPX WR USER S MANUAL www SuperiorSignal com Superior Signal Company LLC 2015...

Page 2: ...TIONS______________________________ 12 Steam Leaks SteamTraps Valves Internal Leaks in Hydraulic Systems___________________________ 13 Mechanical Vibrations Troubleshooting______________________ 14 Be...

Page 3: ...ignal Once the signal has been captured the dominant frequency will be heard in the headset Leaks normally sound like a harsh hissing noise which ascends in pitch as you approach the source When you r...

Page 4: ...tuning Power is provided by a unique Nickel Metal Hydride NiMH battery pack conditioned through a voltage regulator and supervised by a battery protector condition indicator The housing for all this t...

Page 5: ...nsor horn shown in the figure above left houses the sensor and provides with the threads a mounting to attach the horn restrictor which is used to collimate the sound to narrow the field of view to he...

Page 6: ...he instrument and push them together CAUTION Be VERY careful while wearing the headset around machinery The headset is also a hearing protector attenuating the background noise which can make you thin...

Page 7: ...while the Het is always indicating the background noise Leave the vinyl protector on the horn to protect the edge from becoming deformed when bumping it This may save the horn threads if you drop it...

Page 8: ...l Below this noise floor that you ve set and for a frequency band of 4kHz around 38kHz the heterodyne section will give you an indication that there may be something there to check as you pass a point...

Page 9: ...spected area if the system permits it Air flowing through the water will generate bubbles which burst and create ultrasonic shock waves making it easier to detect Another technique that may be applied...

Page 10: ...components These sounds differ from leaks because they are rhythmic i e they follow the engine motion unlike leaks which stay almost constant The same is true with mechanical vacuum pumps The nose con...

Page 11: ...NG THE TOUCH PROBE IN THE NOSE CONE Insert the touch probe in the fitting in the horn restrictor and tighten the knurled nut This nut must not be loose because it will generate noise in the measuremen...

Page 12: ...the alignment All 1 4 tubing type fittings from Swagelok will fit into the Nose Cone You can use tubing up to 15 long 5m Longer tubing lengths attenuate the sound The easiest way to make a wave guide...

Page 13: ...obvious by the constant rushing sound within the trap There are a number of different types of traps which make different sounds during normal operation Thermostatic traps are the easiest to test sinc...

Page 14: ...added sound and can be detrimental on the system itself This extra noise background may make it more difficult to find the leak Again pressurizing the system with nitrogen before fluid is introduced...

Page 15: ...sound can be used to determine the lubrication condition of a bearing Lubricating and listening at the same time will tell you when to stop since the sound should decrease as you inject grease when s...

Page 16: ...tes ultrasound which is then translated by the Het block and sent to the output of the VPX WR Please refer to your vibration analyzer s user manual for instructions as to how to configure its input pa...

Page 17: ...f there is strong background noise Start testing new machines or new bearings first This will help you establish a base line in the amplitude and the nature of the harmonics present at the test point...

Page 18: ...s CORONA Corona is a form of plasma current flow that is found around higher voltages like transmission lines It is invisible in the visible spectrum however under certain conditions a bluish glow can...

Page 19: ...he red LED will go off Place the SG 2 in a tank hatch aircraft walk in cooler etc go to the other side and close the door or window or other cover and search with the VPX WR to find where you can hear...

Page 20: ...he battery charge the battery supervisor will shut the instrument down This may happen during the detection of a leak which will require more power to be delivered to the headset thus causing the inst...

Page 21: ...are at the sole discretion of Superior Signal Company LLC Maximum liability under any circumstance shall be limited to replacement of unsatisfactory product Recommendations and product information ar...

Page 22: ...us use Average Charging Time 4 hours Low Battery Indicator Flashing LED when 1 hour of use remains Physical Construction Hard Anodized Aluminum Housing with padded grip Dimensions Cylindrical Outer Di...

Page 23: ...amount of gas in cubic feet per minute or liters per minute Noise Any unwanted signal competing with the one of interest Reynolds number An index which shows if the flow is turbulent or not Numbers un...

Page 24: ...Superior Signal Company LLC AccuTrak VPX WR User s Manual 2015 23 NOTES...

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