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Rotational Speed Sensor
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QBJ-3C Intelligent Digital Speed Meter | High-Accuracy RPM Measuring Instrument with Five-Digit LED Display

QBJ-3C Intelligent Digital Speed Meter | High-Accuracy RPM Measuring Instrument with Five-Digit LED Display

Brand Name: OEM
Model Number: QBJ-3C
MOQ: 1.
Price: Negotiation
Detail Information
Place of Origin:
China
Measurement RangeMeasurement Range: 300~9999r/min (arbitrarily Settable):
300~9999r/min (arbitrarily Settable)
Measurement Accuracy:
0.1%
Display Sampling Time:
4 Times/second
Alarm Sampling Time:
0.1 Seconds
Input Waveform:
Sine Wave And Square Wave
Display Method:
Five-digit LED Display
Packaging Details:
New original box
Highlight:

Intelligent Digital Speed Meter

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High-Accuracy RPM Measuring Instrument

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Five-Digit LED Display Speed Meter

Product Description
QBJ-3C Intelligent Digital Speed Meter
The QBJ-3C Intelligent Digital Speed Meter is a professional industrial measuring instrument designed for rotational speed monitoring and machinery operation supervision. It provides a convenient digital interface for observing the running speed of rotating equipment and can be integrated into industrial measurement, automation, and equipment management applications.
With its clear five-digit LED display, the QBJ-3C helps operators quickly understand the current operating condition of connected machinery, making it particularly useful in industrial environments where quick visual recognition is important.
Key Applications
Motors & Turbines
Pumps & Compressors
Fans & Blowers
Gear Systems
Production Machinery
Transmission Equipment
Operational Benefits
  • High-accuracy RPM measurement with five-digit LED display
  • Compatible with various sensing components for rotational speed detection
  • Supports equipment commissioning, troubleshooting, and routine operation
  • Enables preventive maintenance through early detection of mechanical issues
  • Integrates with industrial automation and control systems
  • Suitable for equipment modernization and replacement projects
Industrial Value
Rotational speed is a critical operating variable for industrial equipment. Changes in speed may indicate variations in load, mechanical wear, transmission problems, or control abnormalities. The QBJ-3C provides reliable speed measurement that delivers valuable information for both daily operation and maintenance activities across manufacturing facilities, energy systems, process industries, and general industrial automation environments.
Whether used for routine monitoring, equipment commissioning, troubleshooting, preventive maintenance, or system modernization, the QBJ-3C helps improve visibility into machinery operation and supports more effective industrial equipment management.