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Industry Information
Dual Needle Pressure Gauge Products
2012-1-26 18:44:34


The meter is composed of two independent measuring systems and indicating devices.

主要适用于机车车辆上用来测量液压系统或储气缸的压力;亦可用于对铜合金钎焊无腐蚀性,非结品和凝固的种介质的压力测量。 The double needle pressure gauge is mainly suitable for measuring the pressure of hydraulic systems or storage cylinders on rolling stock; it can also be used for non-corrosive, non-structural and solidified medium pressure measurement of copper alloy brazing. Meter can measure at the same time

Measure two identical or different pressures.

The working principle of the meter is based on the elastic deformation of the elastic element (spring tube in the measurement system). That is, under the action of the measured pressure, the ends of the two spring tubes are caused to have corresponding displacements.

The transmission of the mechanism is enlarged, and the red and black pointers on the fixed gear shaft follow the two measured values respectively.

Dual needle pressure gauge

Purpose


The pressure gauge is suitable for measuring the pressure of liquids, vapors and gases that do not have the danger of explosion, non-crystallization, non-solidification and corrosion of copper and copper alloys.


Main Specifications


Measuring range, accuracy level


model

structure type


Accuracy class


Measuring range MPa


Note


DN-Y-40


DN-Y-40Z


Radial edgeless

Axial edgeless


2.5


0 to 0.1; 0 to 0.16; 0 to 0.25; 0 to 0.4;


0 to 0.6; 0 to 1.0; 0 to 1.6; 0 to 2.5;


0 to 4.0; 0 to 6.0; 0 to 10; 0 to 16;

0 ~ 25; 0 ~ 40


HR-YZ means pressure vacuum gauge

HR-Z means vacuum gauge

HR-Y means general pressure gauge


HR-YB means precision pressure gauge


Pressure gauges are also called general pressure gauges and spring tube pressure gauges. Precision pressure gauges are also called standard pressure gauges. Pressure vacuum gauge includes range indication of negative pressure and positive pressure. Axial pressure gauge φ60, please specify the connector thread when order

M10 × 1 or M14 × 1.5.


Special axial pressure gauge can be customized according to user requirements


DN-Y-60


DN-Y-60Z


DN-Y-60T


DN-Y-60ZT


Radial edgeless

Axial edgeless

Behind the radial band

Front with axial


DN-Y-100

DN-Y-100Z

DN-Y-100T


DN-Y-100ZT


Radial edgeless


Axial edgeless

Behind the radial band


Front with axial

1.6


0 to 0.1; 0 to 0.16; 0 to 0.25; 0 to 0.4;


0 to 0.6; 0 to 1.0; 0 to 1.6; 0 to 2.5;


0 to 4.0; 0 to 6.0; 0 to 10; 0 to 16; 25;


0 to 40; 0 to 60; 0 to 100


DN-Y-150


DN-Y-150Z


DN-Y-150T


DN-Y-150ZT


Radial edgeless

Axial edgeless

Behind the radial band

Front with axial

DN-Y-200


DN-Y-250


Radial edgeless


Radial edgeless

0 to 0.6; 0 to 1.0; 0 to 1.6; 0 to 2.5;


0 ~ 4.0; 0 ~ 6.0

DN-Z-40


DN-YZ-40


Radial edgeless

Radial edgeless

2.5


-0.1 to 0; -0.1 to 0.06; -0.1 to 0.15;

-0.1 to 0.3; -0.1 to 0.5; -0.1 to 0.9;


-0.1 ~ 1.5; -0.1 ~ 2.4


DN-Z-50


DN-YZ-50


Radial edgeless


Radial edgeless

DN-Z-60

DN-YZ-60


DN-YZ-60Z

DN-Z-60ZT

Radial edgeless


Radial edgeless


Axial edgeless

Front with axial

DN-Z-100


DN-YZ-100

DN-YZ-100Z

DN-Z-100ZT

Radial edgeless

Radial edgeless

Axial edgeless

Front with axial

1.6


DN-Z-150

DN-YZ-150

DN-YZ-150Z


DN-Z-150ZT


Radial edgeless

Radial edgeless


Axial edgeless


Front with axial

DN-Z-200


Radial edgeless


Environmental conditions: -40 ~ 70 ℃, relative humidity is not more than 85%.


Temperature influence: When the use temperature deviates from 20 ± 5 ℃, it is not more than 0.4% / 10 ℃.


DN-Y-60Z


DN-Y-60

DN-Y-40Z

DN-Y-40

DN-YZ-100

DN-Y-150ZT

DN-Z-100

DN-Y-100


Dimensions

DN-Y-40, 60, 100, 150, 200, 250

DN-Y-40, 60, 100, 150Z


DN-Y-60T, 100T, 150T

DN-Y-60ZT, 100ZT, 150ZT



Unit: mm


model


D


d

d1


L

d0

B


H

d2

H1

H2


L1


DN-Y40

Φ40

M10 × 1


Φ2.5

10



38

twenty four


8.5


2


DN -Y40Z



40


twenty four


0


DN -Y60

Φ60


M14 × 1.5 or M10 × 1


Φ5


14



56


30


12


DN-Y60Z


58


30


0


DN-Y60T

72

56


30


Φ4.5



13


DN-Y60ZT


53


30


Φ4.5


twenty four

0


DN-Y100


Φ100


M20 × 1.5


Φ6


20



90


44


18


DN-Y100Z



85

44


30

DN-Y100T


118

90

45


Φ5.5

18


DN-Y100ZT
85


44

Φ5.5

39


30


DN-Y150
Φ150

115
48


18
DN-Y150Z

92
47


30
DN-Y150T
165
115
48
Φ5.5

18
DN-Y150ZT
92
47
Φ5.5
41
30
DN-Y200
Φ200

146
50


18
DN-Y250
Φ250

167
50


18


Description of the dual needle pressure gauge


主要适用于机车车辆上用来测量液压系统或储气缸的压力;亦可用于对铜合金钎焊无腐蚀性,非结品和凝固的种介质的压力测量。 The double needle pressure gauge is mainly suitable for measuring the pressure of hydraulic systems or storage cylinders on rolling stock; it can also be used for non-corrosive, non-structural and solidified medium pressure measurement of copper alloy brazing. Meter can measure two at the same time

Pressures that are the same or different (the difference between the two should generally not be greater than 1/3 of the limit on the scale range).


Structure principle of double needle pressure gauge


The meter is composed of two independent measuring systems and indicating devices.


The working principle of the instrument is based on the elastic deformation of the elastic element (spring tube in the measurement system). That is, under the action of the measured pressure, the ends of the two spring tubes are caused to have corresponding displacements.

The transmission of the motor is enlarged, and the red and black pointers on the fixed gear shaft follow the two measured values respectively.


主要适用于机车车辆上用来测量液压系统或储气缸内的压力,亦可用于对铜合金及锡铅合金钎焊料无腐蚀性、非结晶和凝固的各种介质的压力测量。 The double needle pressure gauge is mainly suitable for measuring pressure in hydraulic systems or storage cylinders on locomotives and vehicles. It can also be used for pressure measurement of various non-corrosive, non-crystalline and solidified copper alloy and tin-lead alloy solders. . instrument

The table can simultaneously measure two pressures that are the same or different (the difference between the two should generally not be greater than 1/3 of the upper limit of the scale range).

Main Specifications


Accuracy level: 1.6


Scale range: 0 ~ 1000; 1200; 1600; 2500kPa


Environmental conditions: 5 ~ 60 ℃, relative humidity not more than 80%


Temperature influence: not more than 0.4% / 10 ℃ (the use temperature deviates from 20 ± 5 ℃)


Weight: 0.7kg


Structure principle The instrument consists of two sets of independent measuring systems and indicating devices.


The working principle of the meter is based on the elastic deformation of the elastic element (spring tube in the measurement system). That is, under the pressure of the measured medium, the ends of the two spring tubes are forced to have corresponding displacements.

The transmission of the moving mechanism is enlarged, and the two measured values are indicated on the dial by the red and black pointers fixed on the gear shaft.