B&K 2981 CCLD¼¤¹âת¿ì̽ͷ

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Non-contact measurement of rotational speed
Synchronisation between rotating or reciprocating machine elements and measurement instruments
Low-speed measurements to 0 RPM* for wind turbine and ship propulsion applications
High-speed measurements up to 300000 RPM for supercharger measurements
Small size for measurements in tight locations

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Works with CCLD, DeltaTron™ or ICP® inputs from 3 to 20 mA constant current
CCLD power means:
No separate power supply required
Simple two-wire cabling
Continuous wave laser for jitter-free order tracking and balancing applications
Operating range to at least 70 cm (27'')
Manual test button to verify tachometer trigger level when the machine is not rotating or available
Low sensitivity to background light
Robust and IP 64 rated
Flexible mounting options make it easy to attach:
¼''-20 UNC (camera tripod), 10-32 UNF and M4 on the flat side of the probe
M22-1 threading with flange on the front