products details

Home Products

QBJ-3C2 Rotation Speed Monitoring and Protection Instrument - High-precision Measurement, Real-time Monitoring, Reliable Protection

Name: QBJ-3C2 Rotation Speed Monitoring and Protection Instrument - High-precision Measurement, Real-time Monitoring, Reliable Protection
Brand: OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED
SKU: QBJ-3C2
Price: 1.00 USD
Availability: InStock

Brand Name:	OEM
Model Number:	QBJ-3C2
MOQ:	1
Price:	Negotiation

Detail Information

Product Description

Detail Information

Place of Origin:

China

Packaging Details:

New original box

Highlight:

rotational speed monitoring instrument

high-precision rotation speed sensor

real-time speed protection device

Product Description

QBJ-3C2 Rotation Speed Monitoring and Protection Instrument

High-precision measurement, real-time monitoring, and reliable protection for rotating machinery applications.

System Overview

The QBJ-3C2 intelligent speed monitor, equipped with CS-2 sensor technology, provides comprehensive rotational speed measurement capabilities including zero-speed and reverse-speed detection. This advanced instrument utilizes high-end single-chip microcomputer technology to form a complete speed measurement system that integrates computer and instrumentation functions.

The design emphasizes the organic combination of hardware and software, leveraging software programming flexibility for adaptable measurement range and alarm value settings. Suitable for various measurement conditions including 1 or 3 slots and 30-120 teeth configurations.

Key Features

Zero-speed and reverse-speed alarm functions with user-selectable options
Easy to use with high reliability and built-in hardware/software watchdog circuits
Available in panel-mounted and wall-mounted versions
Ideal for power plant turbines, industrial turbines, water pumps, and fans
New generation speed measurement technology

Technical Specifications

Parameter	Specification
Measurement Range	0～9999r/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
Number of Teeth Measured	1～180 teeth (arbitrarily settable)
Output Standard	Current 4～20mA with automatic full-scale conversion
Power Supply	AC220V±10%/50Hz

Operating Environment

Instrument temperature: -25℃～50℃
Relative humidity: ≤80%
Sensor temperature: -25℃～120℃ (can measure forward and reverse rotation)
Alarm and danger values can be arbitrarily set via panel keypad
Set values remain unchanged for fifty years

Physical Dimensions

Mounting Type	External Dimensions	Opening/Installation Dimensions
Panel-mounted	Width 160 × Height 80 × Depth 260 (mm)	Width 153 × Height 77 × Depth 260 (mm)
Wall-mounted	Width 192.5 × Height 290 × Depth 95 (mm)	Width 170 × Height 272 × Depth 98 (mm)

Tags:

Electric Valve Actuator

Power Station Valve

Electronic Control Relay

ESP Controller

High Performance Ignition System

Digital Speed Indicator

Rotational Speed Sensor

Coal Feeder Spare

3 Phase Electric Motors

Weigh Feeder Controller

Magnetic Level Gauges

Transformer Protection Relay

DC Contactor

Low Voltage Protection Devices

Electro Hydraulic Thruster Brake

IGBT Power Module

Electric Valve Actuator

Power Station Valve

Electronic Control Relay

ESP Controller

High Performance Ignition System

Digital Speed Indicator

Rotational Speed Sensor

Coal Feeder Spare

3 Phase Electric Motors

Weigh Feeder Controller

Magnetic Level Gauges

Transformer Protection Relay

DC Contactor

Low Voltage Protection Devices

Electro Hydraulic Thruster Brake

IGBT Power Module

products details

QBJ-3C2 Rotation Speed Monitoring and Protection Instrument - High-precision Measurement, Real-time Monitoring, Reliable Protection

QBJ-3C2 Rotation Speed Monitoring and Protection Instrument - High-precision Measurement, Real-time Monitoring, Reliable Protection

rotational speed monitoring instrument

high-precision rotation speed sensor

real-time speed protection device