JM-B-101-7224 Fan Vibration Temperature Transmitter

NegotiableUpdate on 02/10

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

The jm-b-101-7224 fan vibration temperature transmitter is mainly used to measure the vibration speed and lubricating oil temperature of the fan during the operation of the cooling tower fan. When the vibration speed or lubricating oil temperature exceeds the given value, it will sound and light an alarm, and automatically cut off the fan power supply through relay contacts, playing a role in protecting the fan and reducing losses.

Product Details

JM-B-101-7224 Fan Vibration Temperature Transmitter

Product Description:

A temperature sensor is an instrument that converts temperature variables into standardized output signals that can be transmitted. Mainly used for measuring and controlling temperature parameters in industrial processes. A transmitter with sensors usually consists of two parts: the sensor and the signal converter. Sensors are mainly thermocouples or thermistors; Signal converters are mainly composed of measurement units, signal processing and conversion units (due to the standardization of industrial thermal resistance and thermocouple calibration tables, signal converters are also called transmitters when they are independent products). Some transmitters have added display units, and some also have fieldbus functions.

Technical Specifications:

1 Frequency range: 0.5-3KHz (acceleration type), 5-2KHz (velocity type), 5-1KHz (displacement type)

2 Measurement range:

Vibration section: 0-50g (RMS) or 0-200mm/s (RMS) or 0-1000um (P-P) Temperature section: 0-150 ° Range: Customer's choice

3 signal output: 4-20mA (± 0.05mA)

4. Output impedance: 500 Ω

5 Working voltage: DC12-36V ± 10%

6 Wiring methods: vibration two-wire system, temperature two-wire system

7 measurement directions: any direction

8. Operating environment: Temperature -30~100, relative humidity 90%

Basic principle:

The vibration temperature sensor is composed of a vibration velocity sensor and a temperature sensor, with two vibration sensors fixed horizontally and vertically, and one temperature sensor implemented using a platinum resistor.

A vibration velocity sensor utilizes the principle of magneto electric induction to convert vibration signals into electrical signals. It mainly consists of a magnetic circuit system, coil components, spring damping, and other parts. Two coil components are rigidly fixed in the sensor housing, and magnetic steel is suspended from the housing by springs. When the sensor operates within the working frequency range, the coil and magnetic steel produce relative motion, and the coil cuts the magnetic field lines, generating induced electromotive force (induced voltage), which is proportional to the vibration speed of the casing. The temperature measurement of a temperature sensor utilizes the linear variation of platinum resistance with temperature to measure temperature.

JM-B-101-7224 Fan Vibration Temperature Transmitter

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