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HM22 High - accuracy Pressure Transducer

Description

HM22 High - accuracy pressure transducer is a new pressure transducer jointly developed, researched, and produced by us and German HELM Company. HM22 High - accuracy pressure transducer is designed with Germany made high–accuracy force–sensitive chip as a central sensing and measuring element, using such new high technology as temperature automatic compensation and normalized circuit commissioning etc. to greatly enhance overall accuracy of the product. This product is designed with advanced technology, superior performance, reliable quality, and small dimension, which may widely be used for such scientific research and production fields as airspace and aerospace, petroleum, chemical, metallurgical and electric power, building material, hydrographic and geographic, medical, protection of environment etc. It may realize high–accuracy measurement of fluid pressure and liquid level.

Features of Product

☆ Designed with Germany made high–accuracy force–sensitive chip as a central sensing and measuring element, with a accuracy up to 0.1% FS 

☆ Designed with sensor temperature automatic compensation and normalized circuit commissioning to enhance temperature stability indicator up to 0.1% FS / ℃. 

☆ May measure corrosive and easily crystalline medium under special requirements 

☆ Designed with fully enclosed structure, all structural members made of stainless steel, which may be used in the open air for a long time。 

☆ May be used for the site with online temperature measuring for a long time and without calibration. 

押庄龙虎☆ May be used for hazardous site, with intrinsically safe type Ex ia II CT5 

☆ Structural diversification, design may be customized at the customer’s special requirements。


Application of Product

Details

押庄龙虎Measuring range

-100KPa ~ 0 ~ 5KPa … 100MPa

Permissible over    pressure

Two times of    full–scale pressure (where 1.1 times of    full–scale pressure for the 100MPa product.

Type of pressure

Gauge pressure or    absolute pressure

Medium to be measured

The gas or liquid    compatible with 316 stainless steel ,

Overall accuracy
           (Non-linear, repeatability,    lagging)

 ± 0.1% FS 

 ± 0.25% FS

Long-term stability

Typical:  ± 0.1% FS / year      

Maximum:  ± 0。2% FS / year

Zero point temperature    drifting

押庄龙虎Typical:  ± 0.01% FS / ℃

Maximum: ± 0。15% FS / ℃

押庄龙虎Sensitivity    temperature drifting

Typical:  ± 0.01% FS / ℃

Maximum: ± 0.15% FS / ℃

Working temperature

-20~85℃

Compensating    temperature

-20~60℃

Ambient temperature

-40~85℃

Range of power    supplying

12 ~ 36V DC( generally    24V DC)

Signal output

4~20mA / 1-5V DC / 0~5V DC / 0.5~4.5V DC

押庄龙虎Load resistance

≤(U - 12) / 0。02Ω

Enclosure Protection degree

Plug type (IP65); cable type (IP67)

Safe explosion–proof

Ex ia II CT5

Tolerance of vibration

≤ ± 0.01% FS(Axles X, Y,    and Z, 200Hz / g) 

押庄龙虎Response time

≤2ms

Thermal lagging

 ± 0.1% FS (typical)

Insulation resistance

100MΩ, 500V DC

Weight

Approx. 250g

Product selection


           HM22

High - accuracy Pressure Transducer

 

Guideline of Selection

High - accuracy Pressure Transducer

 

Type of pressure

Gauge pressure (G, may not be indicated); absolute pressure (A)

 

 

Range

押庄龙虎Measuring Range

 

 

0 ~ X KPa or 0 ~ X KPa

 

 

 

 

 

Code

Overall accuracy (linear + repeatability + lagging)

 

 

 

 

 

2

押庄龙虎 ± 0.25% FS

 

 

 

 

 

3

 ± 0。1% FS

 

 

 

 

 

 

 

Code

Signal Output

 

 

 

 

 

 

 

A1

4 ~ 20mA

 

 

 

 

 

 

 

V1

1 ~ 5V DC

 

 

 

 

 

 

 

V2

0 ~ 5V DC

 

 

 

 

 

 

 

V3

0.5 ~ 4.5V DC

 

 

 

 

 

 

 

 

 

Code 

Additional functions

 

 

 

 

 

 

 

 

 

F1

M20 x 1.5 external thread

 

 

 

 

 

 

 

 

 

F2

G 1 / 4 external thread

 

 

 

 

 

 

 

 

 

F0

Special

 

 

 

 

 

 

 

 

 

W1

Cable type (IP67, 2m)

 

 

 

 

 

 

 

 

 

W2

Socket type (IP65, DIN3650)

 

 

 

 

 

 

 

 

 

P

押庄龙虎Flushed membrane type

 

 

 

 

 

 

 

 

 

E

Intrinsically safe explosion - proof type Ex ia II CT5

 

 

 

 

 

 

 

 

 

 

 

 

HM22 ( 0 ~ 10KPa)

 

 

— 3

— A1

— F1

— W2 High - accuracy Pressure Transducer


Tips of Selection

  1. The medium to be measured shall be compatible with the material contacting with the product。
  2. The code E, an additional functional code for selection, and intrinsically safe explosion-proof Ex ia II CT5 must be power supplied via safety barrier.
  3. Please contact us in case of the other special requirements and clearly indicate them when placing an order.


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