Vibration measuring instrument JM-B-3ZD, 0-200um, 0-20mm/s

Vibration measuring protector JM-B-3ZD,

0-200um, 0-20mm/s,

JM-B-3Z-A01-B02-C20

JM series vibration monitoring and protection series is mainly applied to power generation, iron and steel, metallurgy, chemical industry and other fields. It continuously monitors and measures bearing vibration (absolute vibration) and shaft vibration (relative vibration) of various types of rotating machinery, which is convenient for the user to work on the machine. Perform analysis and maintenance. With current output for external recorders and microcomputers and other connections.
Is a sophisticated intelligent measurement and control instrument, widely used in electric power, petroleum, chemical and other departments. Through magnetoelectric speed sensors, it is possible to continuously monitor and measure the absolute vibration peak-to-peak or vibration speed of rotating machinery bearings such as turbines and fans. There is a current output proportional to the measured value and can be directly connected to the DCS, PLC system, and paperless recorder. When the vibration amplitude exceeds the limit, it can automatically provide alarm relay switch contact output. The series is fully digitalized, with features such as good stability, high accuracy, simple operation, and convenient and reliable maintenance. The friendly man-machine dialogue interface makes this product at the leading domestic level.
The main function:
1. Highly intelligent, parameter setting to achieve full board operation.
2. Suitable for long-term online monitoring, easy installation and commissioning, no on-site maintenance.
3. With two alarm switch output.
4. With 4 ~ 20mA current analog output.
5. Range, alarm, and dangerous values ​​are arbitrarily set.
6. With TDM real-time signal output.
7. The maximum value is automatically memorized and queried.
8. The amplitude and intensity switch arbitrarily.
9. With dual-channel data acquisition, control, display.
Technical Parameters:
1. Display mode: LED dual channel digital display
2. Measurement range: Frequency 1 to 3000 Hz (axis vibration)/frequency 10 to 300 Hz (tile vibration)
Amplitude: 0 to 200 μm*, 0 to 300 μm, 0 to 500 μm (peak to peak)
Intensity: 0 to 20mm/s*, 0 to 30mm/s, 0 to 50mm/s (effective value)
3. Measurement accuracy: ±0.5 grade Linearity error ≤±1%FS (full scale)
4. Input method: ZHJ series speed sensor signal, CWY-DO eddy current sensor signal, ZHJ-3D low frequency vibration sensor signal
5. Output method: current output: 4 ~ 20mA (load ≤ 1KΩ)
Two-level switching output: DC&nbsp27V/2A or &nbspAC250V/5A
&nbspTDM synchronization signal output
6. Ambient temperature: -10 to 65°C (relative humidity: ≤85%)
7. Supply voltage: AC&nbsp220V/50HZ±10%
8. Installation method: disc type
9. Dimensions: Regular Style: 160mm (Length) × 80mm (Height) × 260mm (Deep)
Vertical type: 80mm (length) × 160mm (high) × 260mm (deep)
10. Opening size: conventional style: 152mm (length) × 77mm (high)
Vertical type: 77mm (length) × 152mm (high)
With vibration probe, it can measure the absolute vibration amplitude of various rotating machinery bearings. It can monitor the vertical and horizontal vibration of rotating machinery. It is especially suitable for machines with ball bearings. In this kind of machine, the vibration of bearings can be more. Ground to the chassis, continuous measurement and protection of the rotating machinery, the sensor should be installed with special attention, will not cause the sensor to reduce the amplitude, and the frequency of the impact is changed or the signal does not represent the real vibration of the machine, for the motor, Compressors, fans, etc. need to measure a large number of vibration points, the monitor is particularly suitable.
The main function
Turbine, water turbine, compressor, blower and other rotary machinery vibration monitoring and protection of the bush.
Functional description (smart):
1. Display function
Vibration measurement value, I value alarm, II value alarm setting value can be displayed on the LED digital tube.
2. Alarm function
When the vibration amplitude exceeds the alarm setting value, the alarm indicator lights, and the switch signal is output at the rear panel to protect the monitored device.
3. Alarm delay time setting function
Alarm delay time adjustment range 0 to 3 seconds to prevent false alarms caused by on-site interference.
4. Self-diagnosis function
With the power-on and power-off detection functions, and the alarm output circuit is disconnected at the same time, the false alarm of the instrument can be effectively suppressed.
5. Output interface
With current output interface, it can be connected with computers, DCS, PLC systems, paperless recorders and other devices.

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