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Beijing Spectrum Century Technology Development Co., Ltd

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Vibration velocity sensor

NegotiableUpdate on 05/06

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

Vibration velocity sensors (detectors) are mainly used for vibration monitoring of power plant generators, fans, rotating machinery, blasting, etc. They are also widely used in pile foundation testing and oil exploration, with a wide frequency band and high false frequency, and the allowable deviation of various parameter indicators is within 5%. Good stability, high accuracy, rich signal acquisition, dual coil structure improves the ability to resist common mode interference, and the coil can operate in 360 ° C; Internal free rotation effectively eliminates surface wave interference. Therefore, this detector has a high signal-to-noise ratio, small phase difference, high dynamic resolution, strong temperature adaptability, and is suitable for seismic exploration in various environments.

Product Details

PS-4.5BVibration velocity sensor

1*Process control and excellent testing equipment

In terms of product qualityThe ISO9001 quality assurance system organizes product production reasonably, strengthens quality management work, continuously implements production processing and process assurance measures, and introduces excellent production and testing equipment from internationally renowned geophysical equipment manufacturing companies such as the United States, France, and Germany, forming a unique seismic detector manufacturing and testing process.

Utilize excellentThe "process control" method ensures effective control over all aspects of production. The digital projector and precision etching process guarantee the precision and consistency of spring plate production. The automatic magnetization characteristic measuring instrument can accurately test magnetic parameters, and the coil holder conductivity tester ensures the consistency of detector damping parameters. Therefore, the product quality performance is stable and the accuracy is high. At the same time, excellent instruments such as SMT-200, GF-7006, GTS detector comprehensive tester are used to strictly test detectors to ensure that they fully meet customer requirements during field use.

2sensorApplication scope and characteristics

BSeries speed sensors (detectors) are mainly used for electrical purposesVibration monitoring of power generation units, fans, rotating machinery, blasting, etc. is also widely used in pile foundation testingOil exploration has a wide frequency band and high false frequency, and the allowable deviation of various parameter indicators is within±Within 5%. Good stability, high accuracy, rich signal acquisition, dual coil structure improves the ability to resist common mode interference, and the coil can rotate freely within 360 °, effectively eliminating surface wave interference. Therefore, this detector has a high signal-to-noise ratio, small phase difference, high dynamic resolution, strong temperature adaptability, and is suitable for seismic exploration in various environments.

振动速度传感器

3technical indicators(Temperature detection 20℃)

(1) UnidirectionalVibration velocity sensor

parameter indicators/Model number	PS-4.5B	PS-10B	PS-35B	PS-40B	PS-60A	PS-100A
Natural frequency（HZ）	4.5±10%	10±5%	35±5%	40±5%	60±5%	100±5%
coil resistance(W)	375±5%	375±5%	560±5%	548±5%	940±5%	1084±5%
sensitivity(V/m/s)	28.8±5%	28.8±5%	32.5±5%	32.5±5%	55±5%	39±5%
Parallel resistance sensitivity(V/m/s)		22.8±5%(1400W)
Open circuit damping	0.60±5%	0.271±5%	0.60±5%	0.615±5%	0.65±5%	0.42±5%
And resistance damping		0.60±5%(1400W)
harmonic distortion(%)	£0.2	£0.2	£0.2	£0.2	£0.2	£0.2
maximum limit(mm)	4	2	1.8	1.8	1	1
Inertial mass(g)	11.3	11.3	9.3	9.3	11.5	7.6
Sensor core mass(g)	72	72	65	65	60	60
With standard protective shell quality(g)	142	142	135	135	130	130
Overall dimensions(d´h)mm	25.4´36	25.4´32	25.4´32	25.4´32	25.4´34	25.4´34
Applicable Temperature(℃)	-40~70	-40~70	-40~70	-40~70	-40~70	-40~70
product shelf life(Year)	1	1	1	1	1	1
Optional outer casing form	LY12 aluminum alloy (standard) casing; VL land protective shell; VLW waterway dual-use protective shell; VM swamp protective shell; VHL ground three component protective shell;

(2) BidirectionalVibration velocity sensor

This product is a speed type vibration sensor, which is characterized by stable operation in both vertical and horizontal directions, with a natural frequency of10HZ， Therefore, it is also known as the longitudinal and transverse ten circle sensor, which has a wide bandwidth and high false frequency, good stability, high accuracy, rich signal acquisition, and a dual coil reverse winding structure to improve the ability to resist harmonic interference. The coil can rotate freely within 360 degrees, effectively eliminating surface wave interference. Therefore, this detector has a high signal-to-noise ratio, small phase difference, high dynamic resolution, and strong temperature adaptability. Its maximum temperature can reach 150 ℃, and it is widely used in vibration monitoring of large rotating equipment (such as generators), especially as the core component of handheld vibration monitoring instruments (referred to as handheld meters).

parameter indicators/Model number	PS-10J	PS-10J2	PS-10K	PS-10K	PS-10K1	PS-10K1	PS-10J1
Natural frequency（HZ）	10±5%	10±5%	10±5%	10±5%	10±5%	10±5%	10±5%
coil resistance(W)	1625±5%	1625±5%	1625±5%	854±5%	1625±5%	896±5%	960±5%
sensitivity(V/m/s)	50±5%	50±3%	38.1±10%	20±10%	36.3±10%	20±10%	41±3.5%
Open circuit damping	0.36±10%	0.36±10%	0.229±10%	0.56±10%	0.276±10%	0.56±10%	0.36±20%
And resistance damping	open circuit	open circuit	open circuit	and1.8K	open circuit	and2K	open circuit
harmonic distortion(%)	£0.6	£0.6	£0.6	£0.6	£0.6	£0.6	£0.6
maximum limit(mm)	2	2	2	2	2	2	2
Inertial mass(g)	11.3	11.3	11.3	11.3	11.3	11.3	11.3
Sensor core mass(g)	72	72	72	72	72	72	72
With standard protective shell quality(g)	142	142	142	142	142	142	142
Overall dimensions(d´h)mm	25.4´32	25.4´32	25.4´32	25.4´32	25.4´32	25.4´32	25.4´32
Applicable Temperature(℃)	-40~70	-40~70	-40~70	-40~70	-40~70	-40~70	-40~70
product shelf life(Year)	1	1	1	1	1	1	1
Optional outer casing form	LY12 aluminum alloy (standard) casing; VL land protective shell; VLW waterway dual-use protective shell; VMSwamp shell protection;VHL ground three component protective shell;

Vibration velocity sensor（Specialized sensor casing）

The protective casing of the sensor is designed specifically forThe casing of the PS type B series speed sensor design can be selected according to the needs of different engineering tests, so as to adapt the sensor to different testing environments.

1、LY12 aluminum alloy (standard) casing

This product adoptsLY12 aluminum alloy material, the protective shell is sturdy and durable, with excellent performance. The bottom of the sensor has an M8x1 thread, which can be used to fix the sensor. Sensors with this protective shell are generally used in engineering vibration measurement, blasting detection, power plant fan vibration detection, power plant generator unit vibration detection and other fields.

2VL series land cover

This product has excellent performance, convenient and fast construction, stable and reliable indicators, and a lightweight structure. It has good adaptability to complex areas such as plains, hills, mountains, and deserts, and is widely used in fields such as petroleum geophysical exploration, geological and mineral exploration, and engineering vibration measurement.

Features:Toughened nylon waterproof casing with strong corrosion resistance

◇-40℃~+70℃high strength

◇ Adopting a special structure with good anti-interference performance

3VLWSeries of amphibious land cover

This product is a newly researched and developed productThe design of this product draws on the mature experience of VL series land string and VM series swamp string used in oil fields. It is not only suitable for land, but also suitable for various coastal mudflat, shallow lakes, swamps and other areas, especially for land teams crossing beaches, swamps and other areas. This product has reliable waterproof performance, compact structure, small volume, light weight, easy maintenance, and strong corrosion resistance in various water bodies.

4VMSeries of Swamp Shells

This product is a newly developed product with reliable waterproof performance, compact structure, small volume, light weight, easy maintenance, and strong corrosion resistance in various water and sea areas,Field water construction is convenient and fast, especially suitable for oil seismic exploration in coastal beaches, shallow lakes, and swamps. This product has a depth of6~Soak in 10 meters of seawater for 48 hours, and its insulation resistance should not be less than 200 megaohms.

5TheWT4-AUnderwater plug

Our company has newly developed a new product, which is mainly used for waterproof connections between underwater strings, swamp strings, amphibious strings, and detector strings. This product has a high degree of insulation, can be docked in water, has low contact resistance, and is compatible withHAM4 connectors can be used interchangeably.

Main technical indicators:

rated current（Rated Current）	5A
rated voltage（Rated Voltage）	500V
Moisture resistance（WetResistance）	100MW
contact resistance（ContactResistance）	≤0.01W
Number of insertions and removals（Insert andDrawFrequency）	Over 500 times
Waterproof resistor（WaterResistance）	≥500MW(over1h depth1m)
vibration(Vibration)	≤20g
impact(WShock)	≤4g

6HGPIwaterproof plug

Electrical signal connection suitable for geophysical exploration instruments, mainly used forThe 408 seismic acquisition system and BOX system have the characteristics of small size, light weight, and strong connection. This plug is mainly used in water, swamps, and environments that require good waterproof performance, with strong adaptability.

Main technical indicators:

rated current（Rated Current）	5A
rated voltage（Rated Voltage）	500V
Humidity resistance（Wet Resistance）	100MW
contact resistance（Contact Resistance）	£0.01W
Number of insertions and removals（Insert and Draw Frequency）	Over 500 times
Waterproof resistor（Water Resistance）	³500MW

7VHLSeries land use three component ground cover

The newly improved three component detector series products can meet the needs of multi wave and multi-component seismic data acquisition technology, and have the characteristics of high sensitivity, low distortion, reasonable damping coefficient, good linear response, good waterproofness, and high resolution. Regardless of whether it is in silt, swamps, or loose buried sand, it can provide good surface coupling. The universal resonant frequency of this series of detectors is from8Hz to 40Hz, suitable for single or combination string use.