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This instrument is simple to use and offers numerous measurement possibilities with or without contact. Measurement by photo-reflection for no-contact measurement: a reflective strip is positioned on the part to be tested. The optical sensor helps to prevent external disturbances and the active, modulated infrared beam guarantees correct measurements. For traditional measurement with contact, a mechanical adapter (cylinder, cone or calibrated wheel) converts the rotation speed into pulses which are then measured by the tachometer.
MODELS | CA1725 & CA1727 |
MEASUREMENTS | |
Rotational Speed Function | Range: 6 to 100,000rpm Resolution: 0.0006 to 6rpm depending on range Accuracy: 1x10-4 of Reading ± 6 counts |
Linear Speed Function | Range: 0.1 to 10,000m/min or ft/min Resolution: 0.0006 to 6m/min depending on range Accuracy: 1x10-4 of Reading ± 1 increment |
Frequency Function | Range: 0.1 to 10,000Hz Resolution: 0.0004 to 0.4Hz depending on range Accuracy: 4x10-5 of Reading ± 4 counts |
Period Function | Range: 0.1 to 10,000ms Resolution: 0.0003 to 0.3ms depending on range Accuracy: 1x10-4 of Reading ± 5 counts |
Duty Cycle Function | Range: 10 to 10,000% Resolution: 0.1 to 1% depending on range Accuracy: 0.1% of scale from 0.2 to 50Hz 0.2% of scale from 50 to 125Hz / 1% of scale otherwise |
Count function | Range: 0 to 99,999 events; Accuracy: ± 1 event (Model CA1727) |
GENERAL | |
Power Source | 9V battery Alkaline (included) |
Battery life | 250 x 5 min measurements with optical sensor; 600 x 5 min measurements with external sensor |
Data Storage | 4000 measurements (Model CA1727) |
Dimensions | 8.5 X 2.83" (216 x 72 x 47mm) |
Weight | 8.8 oz (250g) |
Weatherproofing | IP51 |
Environment | Storage: -4 to +158°F (-20 to +70°C) 95% RH; Operation: 32 to 131°F (0 to 55°C) 90% RH |
SENSOR | |
Optical | Reflective area: 10 to 90% of the target area. Measurement distance: 1 to 50cm. The maximum distance is given for a reflective adhesive strip with a minimum area of 10cm2. Measurement angle: ±15° in relation to the perpendicular of the reflective surface. |
Mechanical | Mechanical adapter: End-fittings: elastomer with a durometer hardness of 80 Pressure on moving part: between 2 and 40N; maximum speed: 10,000rpm Service life: approx. 1000 hours at 3000rpm with a pressure of 20N |
Conical end-fitting accessory: Minimum diameter of measurement shaft: 5mm | |
Cylindrical end-fitting accessory: Speed measurements on shafts with a diameter greater than 5mm or flat-ended shafts | |
End-fitting accessory with wheel; Wheel diameter: 30.183mm; Wheel development: 10cm ± 0.1mm | |
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Measure rotation speed with or without contact
