AEMC Tachometer Model C.A 1727

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Cat. #1748.30
No-contact measurement, modulated infrared beam, mechanical adapter (converts rotation speed into pulses), measures to 100,000 rpm, software
Provides multiple functions and automatic routines for data acquisition and storage including measurement of rotational speed, linear speed, count, frequency, and period with measurements up to 100,000 rpm. Software included.


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.

Model C.A 1727 – Cat. #1748.30: Includes hard carrying case, (1) FRB connector, (1) 9V battery, (1) set of (15) reflective strips, USB cable, a printed Quick Start Guide, TachoGraph software and a user manual.

Rotational Speed
Range60 to 100,000rpm
Resolution0.006 to 6rpm depending on range
Accuracy1×10-4 of reading ± 6 counts
Linear Speed
Range6 to 10,000m/min (19.680 to 100,000ft/min)
Resolution0.006 to 6m/min (0.006 to 6 ft/min) depending on range
Accuracy1×10-4 of reading ± 1 increment
Range1 to 10,000Hz
Resolution0.004 to 0.4 depending on range
Accuracy4×10-5 of reading ± 4 counts
Range0.1 to 1000ms
Resolution0.0003 to 0.03 depending on range
Accuracy1×10-4 of reading ± 5 counts
Duty Cycle
Range0.1 to 100%
Resolution0.1 to 1% depending on range
Accuracy0.1% of scale (0.2 to 50Hz)
0.2% of scale (50 to 125Hz)
1% of scale otherwise
Range0 to 100,000 events
Accuracy±1 event
Optical Sensor
Measuring Distance0.4 to 19.6” (1 to 50cm)
Measurement Angle±15° in relation to the perpendicular of reflective surface
General Features
Memory4000 points
SoftwareTachoGraph software (included)
Accessories (Not Included)Mechanical adapter, calibrated wheel, conical end fitting, cylindrical end fitting.
Power Supply9V alkaline battery (included)
Battery Life250 x 5 min measurements with optical sensor
600 x 5 min measurements with external sensor
Operation Temperature32° to 131°F (0° to 55°C) @ 90% RH
Storage Temperature-4° to 158°F (-20° to 70°C) @ 95% RH
Dimensions8.5 x 2.83 x 1.85” (216 x 72 x 47mm)
Weight8.8 oz (250g)
Ingress ProtectionIP 51
Safety ComplianceIEC 61010-1