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HM30 Micro Differential Pressure / Air Pressure Transducer

Description

HM10 High - accuracy piezoresistive pressure sensor is encapsulated in stainless steel case through assembly and commissioning adopting advanced silicon piezoresistive sensitive elements made by German HELM Company. Both the case and the port are made of stainless steel. The medium are of good compatibility, with stable and reliable performance, and high accuracy. The gasket is applied on the end face.

Features of Product

☆ High ratio of performance to ratio

☆ From 0 ~ 0。5KPa to 0 ~ 700KPa

☆ Continuously adjustable zero point and full scale☆ Reverse pole protection and current limit protection

☆ Lightning, radio frequency immunity

押庄龙虎☆ Compact structure, beautiful appearance, and easy installation

☆ Normalized design and production to ensure stable quality and performance of the product

☆ May be designed or improved as per the customer’s specific requirements

Application of Product

☆  Measurement of air pressure and flow rate in industrial process

☆  HVAC

☆  Hearth pressure or hearth negative pressure

☆  Monitoring in – the – well ventilation

押庄龙虎☆  Purification equipment and cleaning engineering

☆  Flue dust control and protection of environment

☆ Drying chamber pressure boosting and furnace ventilation control

☆ Medial instrument and equipment

☆ Air fan measurement and control

Details

Technical Data 

Measuring range

Differential pressure / air pressure : 0 ~ 500Pa…700KPa

Negative pressure: 0 ~ -500Pa…-1KPa…-10KPa…-100KPa

Permissible over pressure

押庄龙虎Three times of FS pressure

押庄龙虎Medium to be measured

Non – corrosive, dust and powder free, and dry fluid

Overall accuracy
           (Non-linear, repeatability,    lagging)

 ± 0.1% FS

 ± 0.25% FS

 ± 0.4% FS

Medium temperature

-20 ~ +85 ℃

Compensating temperature

-10 ~ +55 ℃

Ambient temperature

-10 ~ +80 ℃

Zero point temperature drifting

押庄龙虎Typical: ± 0。2% FS

Maximum: ± 0.05% FS / ℃

Sensitivity temperature drifting

Typical: ± 0.2% FS

Maximum: ± 0.05% FS /  ℃

Long – term stability 

Typical: ± 0。1% FS / year

Maximum: ± 0.2% FS /  year

Range of power supplying

12 ~ 36V DC (24V DC generally)

Signal output

4  ~ 20mA / 1    ~ 5V DC

Load resistance

≤ (U-12) / 0。02Ω

Enclosure material

Hard aluminum alloy surface plastic injection or 304 stainless steel

Protection degree

IP 65 or IP 67

Process Connection

φ8 tip, with M10×1 installing screws

Explosion – proof marking

Ex ia II CT5 (intrinsically safe explosion – proof)

Weight

Approx. 0.35kg

Response time

≤1 ms

Thermal lagging

 ± 0。01% FS (typical)

押庄龙虎Vibrating tolerance

≤ ± 0。01% FS ( Axles X, Y , Z, 200Hz / g )

押庄龙虎Insulation resistance

100MΩ, 500V DC

Resolution

押庄龙虎Infinite small    (theoretical) 1 / 100000 (general)  

Product selection

HM30

 Micro Differential Pressure / Air  Pressure Transducer

 

Guideline of Selection

 Micro Differential Pressure / Air  Pressure Transducer

 

 

Range

Measuring Range

 

 

0 ~ X KPa

 

 

 

 

 

Code

Overall accuracy (linear + repeatability + lagging)

 

 

 

 

 

1

 ± 0。4% FS

 

 

 

 

 

2

 ± 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

 

 

 

 

 

 

 

 

 

F3

φ8 tip, with M10×1 installing screws

 

 

 

 

 

 

 

 

 

F0

Special

 

 

 

 

 

 

 

 

 

W1

Cable type (IP67, 2m)

 

 

 

 

 

 

 

 

 

W2

Socket type (IP65, DIN 43650)

 

 

 

 

 

 

 

 

 

W3

Aerospace socket type (IP65)

 

 

 

 

 

 

 

 

 

E

押庄龙虎Intrinsically safe explosion - proof type Ex ia II CT5

 

 

 

 

 

 

 

 

 

 

 

 

HM30    (0 ~ 500MPa)

 

— 1

— A1

— F2

— W1  Micro Differential Pressure    / Air  Pressure Transducer

Tips of Selection

The medium to be measured shall be compatible with the material contacting with the product。 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。 Please contact us in case of the other special requirements and clearly indicate them when placing an order。

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