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Summary of Contents for Extech Instruments 461830
- Page 1 User Manual Digital Stroboscope Tachometer Model 461830 and Model 461831 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 Introduction Congratulations on your purchase of the Extech Digital Stroboscope Tachometer. This device measures the speed of moving parts such as gears, fans, propellers, centrifuges, and pumps. The stop-motion action of this instrument permits the visual inspection of moving parts. Careful use of this instrument will provide years of reliable service.
- Page 3 Operating Temperature 32 to 122 F (0 to 50 Operating Humidity < 80% RH Power Supply 110VAC (461830) or 220VAC (461831) 50/60Hz ±10% Power Consumption <25 watts @ 115V Weight 1kg (2.2 lbs.) Dimensions 21 x 12 x 12cm (8.3 x 4.8 x 4.8")
- Page 4 Meter Description Xenon lamp FINE adjust knob LED Display Power ON/OFF switch Grip handle Range Select Switch COARSE adjust knob AC power cord and jack GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 5 1. Plug the supplied power cable into the instrument power cable jack. 2. Plug the other end of the cable into an appropriate AC power source. The Model 461830 requires 110VAC and the 461831 requires 220VAC. Do not plug the device into an incorrect power source otherwise damage to the instrument will result.
- Page 6 Notes on Speed Measurements Care must be taken to ensure that the mark is providing a 1:1 measurement. Check that there is only one mark and not two, four, or more stationary marks on the object under test. instrument will display double, triple, or quadruple the actual speed. A useful method of avoiding harmonic measurements is to adjust the FINE/COARSE knobs until two images (marks) appear and then lower the flash rate (via COARSE/FINE knobs) until a single, stationary image appears.
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