Monarch Vibration-Strobe vbx Portable Stroboscope Kit for SKF CMVA Data Collector, with NIST Certificate of Calibration
The Monarch 6220-032 battery or line-powered, vbx portable vibration stroboscope has a xenon flash tube, provides measurements in flashes per minute (FPM) and hertz (Hz), and has output cables for use with the SKF CMVA data collector (not included) for use in applications requiring balancing, motion analysis, online coupling inspections, and general-purpose phase-shifting. The xenon flash tube has an 8 to 20 microsecond flash duration to provide crisp images in brightly lit areas. Xenon flash tubes have brighter light output and a shorter flash duration than LED lights. Bright light output is required for quality images in brightly lit areas, and shorter flash durations provide sharper images, especially at high rates of speed. The stroboscope has a flash rate range of 30 to 50,000 FPM/0.5 to 830 Hz and an accuracy of + or - 0.002% of reading. A NIST Certificate of Calibration ensures accuracy. Built-in multiply-by-2 and divide-by-2 functionality allows the operator to distinguish true RPM from harmonics. The narrow-bandwidth filter limits the influence of harmonics around the selected frequency, providing a more stable phase reading. Separate 3.5mm (1/8") transistor-transistor logic (TTL) input and output jacks transmit signals using the accelerometer cable (included) and SKF CMVA data collector interface cable (included) to a remote SKF CMVA data collector (data collector not included). TTL input and output jacks can also be used to provide power to remote sensors and allow multiple strobes to be daisy-chained to provide wider coverage. Tachometer mode, available for use while the stroboscope is in external mode, has a measuring range of 5 to 200,000 rpm and an accuracy of + or - 0.01% or 0.1 rpm. The phase shift range of 0.1 to 359.9 degrees and time delay range of 0.01 to 1000 milliseconds allow the operator to view the object at any point in the cycle without moving the trigger point. The stroboscope operates on internal rechargeable batteries or is line-powered using the universal 115/230V AC power supply/recharger. The stroboscope stores up to nine user-selectable flash rates, stored in either FPM or Hz. The stroboscope includes a 115/230V AC universal power supply/battery charger, an SKF CMVA data-collector interface cable, an accelerometer cable, a NIST Certificate of Calibration, a spare xenon lamp, carrying case, and instructions. Stroboscopes are used in a variety of settings including manufacturing, printing, education, and photography.
| Flash rate range | 30 to 50,000 FPM, 0.5 to 830 Hz |
| Flash rate accuracy | + or - 0.002% of reading |
| Flash duration | 8 to 20 microseconds |
| Flash rate resolution | 0.01 to 1.0 FPM, selectable |
| Virtual RPM | 0 to 200 VPM |
| Phase delay | 0.1 to 359.9 degrees |
| Time delay | 0.01 to 1000 milliseconds |
| Tachometer mode | 5 to 250,000 RPM |
| External input | Input pulse, 0.5microseconds minimum, TTL to 24V maximum |
| Trigger output/Remote sync | 3.3V TTL-compatible 40 microsecond pulse, Positive/Negative |
| Power supply | Internal rechargeable battery with AC power supply/recharger |
| Weight | 1.9lbs./0.86kg |
H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.
Stroboscopes evaluate the functionality of fast-moving rotational objects, such as belts, fan blades, and other machine parts. They are used in industries such as manufacturing, entertainment, high-speed printing, wood and metal turning, and in education and research settings. Stroboscopes have a flashing light (strobe) that, when directed at a moving object, makes the object appear to be stopped or moving in slow motion. This enables the operator to evaluate machine performance without stopping the machine. Stroboscopes use either xenon flash tubes or LED light sources. The strobe is triggered either internally, which allows the operator to manually adjust the flash rate, or externally and automatically by a peripheral sensor. Multiply-by-2 (2/4 or 2X) and divide-by-2 (1/2) functionality enables the operator to verify the actual revolutions per minute (RPM) and to distinguish true RPM from harmonics. Phase shift adjusts the flash delay in degrees of a full rotation, and time delay adjusts the flash delay in seconds or fractions of a second. Input and output features enable the operator to use peripheral sensors to trigger flash rates, to perform tachometer operations, or to daisy-chain stroboscopes.
Monarch Instrument manufactures devices such as tachometers, stroboscopes, data loggers, and leak detectors. The company, founded in 1977 and headquartered in Amherst, NH, meets International Organization for Standardization (ISO) standard 9001:2008.
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