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HM50 Anti - corrosive Pressure Transducer

Description

HM50 anti - corrosive pressure transducer adopts German HELM made high – performance anti – corrosive tantalum membrane force – sensitive chip, supported with high – accuracy electronic element, and assembling with strict process flow. This series of product features strong corrosive resistance, wear resistance etc, which has very well solved the problems for pressure measurement of strong – and weak – corrosive gas or liquid under special domestic application. This series of pressure transducer may widely be used for such fields as petroleum, chemical, metallurgical, electric power, protection of environment etc to automatically measure and control the gauge pressure, absolute pressure, and negative pressure of corrosive gas, liquid, and vapor.

Features of Product

☆ Designed with tantalum membrane pressure resistant type chip, with very strong corrosive resistance 

☆ Impact – and vibration – proof, wear resistance 

☆ High accuracy: 0.25% FS  0.4% FS 

☆ Good stability: ≤0.2% FS / year, ≤0.2% FS  / ℃ 

☆ Without production process pollution; without force transmission filling liquid 

☆ The enclosure may be made of PVC, titanium alloy or PTFE, depending on the customer’s corrosion of medium.

Application of Product

Details

Technical Data 

 

Measuring range

- 100KPa ~ 0 ~ 5KPa …    100KPa … 90MPa

 

Overloading capacity

Two times of FS pressure

 

Type of pressure

Gauge pressure or absolute pressure

 

Medium to be measured

Strong and weak corrosive gas or liquid

 

Overall accuracy

Typical: ± 0.25% FS

Maximum: ± 0.4% FS

 

Medium temperature

-20 ~ +85 ℃

 

Long – term stability 

Typical: ± 0.1% FS / year

Maximum: ± 0.2% FS /  year

 

Zero point temperature drifting

Typical: ± 0.015% FS

Maximum: ± 0.03% FS / ℃

Sensitivity temperature drifting

Typical: ± 0.015% FS

Maximum: ± 0.03% FS /  ℃

Response time

≤1 ms

 

Resolution

Infinite small    (theoretical) 1 / 100000 (general)  

 

Medium temperature

-20 ~ +85 ℃

 

Compensating temperature

-10 ~ +60 ℃

 

Ambient temperature

-20 ~ +80 ℃

 

Service life

≥1 x 108 pressurized cycle (25℃)

 

Material of membrane

Tantalum membrane

 

Material of enclosure

PVC, titanium alloy, PTFE

 

Load resistance

≤ (U-12) / 0.02Ω

 

Protection degree

IP 65 – IEC 60529 for plug type;     IP 67 – IEC 60529 for cable type

 

Intrinsically safe explosion - proof

Ex ia II CT5

 

Weight

Approx. 250g

 

Product selection

HM50

Anti - corrosive    Pressure Transducer

 

Guideline of Selection

Anti - corrosive Pressure Transducer 

 

Code

Type of pressure

 

G

Gauge pressure ( may    not be indicated)

 

A

Absolute pressure

 

 

Range

Measuring Range

 

 

0 ~ X KPa or MPa

 

 

 

 

 

Code

Overall accuracy (linear    + repeatability + lagging)

 

 

 

 

 

1

 ± 0.4% FS

 

 

 

 

 

2

 ± 0.25% 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, DIN    43650)

 

 

 

 

 

 

 

 

 

E

Intrinsically safe    explosion - proof type Ex ia II CT5

 

 

 

 

 

 

 

 

 

 

 

 

HM50   ( 0 ~ 1.6KPa)

 

— 1

— A1

— F1

— W2 Anti - corrosive    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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