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HM25 Industrial - type Pressure Transducer

Description

HM25 industrial - type pressure transducer is provided with German HELM made advanced sensing – force – sensitivity chip, supported with high – accuracy electronic element, and assembled through strict process flow. This series of product is provided with special terminal, shield cable, pointer, and digital display, with easy installation, calibration, maintenance. It may widely be used for many industrial fields such as petroleum, chemical, electric power, metallurgical, pharmaceutical, and food etc, which is ideal for updating the conventional pressure gauge and pressure transducer and ideal for pressure measuring and control instrument and meter in industrial automation field.

Features of Product

 ☆ Laser adjusting - resistance temperature compensation 

 ☆ Zero position, full scale adjustable 

 ☆ High accuracy, high reliability, and high stability 

 ☆ RF disturbance immunity 

 ☆ Power supply reversing pole and over – voltage protection 

 ☆ Isolating corrosion – proof, intrinsic explosion – proof 

 ☆ Direct process installation, pointer or digital display on site 

 ☆ Designed with standard intellectual 4 ~ 20 mA, HART protocol (optional)

Application of Product

It is widely be used for many industrial fields such as petroleum, chemical, electric power, metallurgical, pharmaceutical, and food etc, which is ideal for updating the conventional pressure gauge and pressure transducer and ideal for pressure measuring and control instrument and meter in industrial automation field.

Details


     Measuring range

0 ~ 100KPa ~ 0  ~ 5KPa…100MPa

Overloading capacity

Two times of    full–scale over pressure (where over pressure for 100MPa is designed with 1.1    times of FS pressure)

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

 ± 0.4% FS

Long-term stability

Typical:  ± 0.25% FS / year

Maximum:  ± 0.2% FS / year

Zero point temperature    drifting

Typical:  ± 0.25% FS / ℃

Maximum:12 ~ 36V  ± 0.05% FS / ℃

Sensitivity    temperature drifting

Typical:  ± 0.02% FS / ℃

Maximum:12 ~ 36V  ± 0.05% FS / ℃

Operating temperature

-40~+125℃

Compensating    temperature

-20~+80℃

Range of power    supplying

12 ~ 36V DC (    generally 24V DC)

Signal output

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

Load resistance

≤(U - 12) / 0.02Ω

Signal wire jack

φ8 for cable port

Weight

Approx. 500g

Thermal lagging

 ± 0.01% FS (typical)

Response time (10% ~ 90%)

≤2ms

Enclosure protection    degree

IP65

Safe explosion – proof

Ex ia II CT5

Tolerance of vibration

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

Insulation resistance

100MΩ, 500V DC

Resolution

Infinite small    (theoretical), 1 / 100000 (general)

Product selection

HM25

Industrial - type Pressure Transducer

 

Guideline of Selection

Industrial    - type Pressure Transducer

 

Type of pressure

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

 

 

Range

Measuring Range

 

 

0 ~ X KPa or 0 ~ X MPa

 

 

 

 

 

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

 

 

 

 

 

 

 

S

4 ~ 20mA, HART protocol (standard intellectual type)

 

 

 

 

 

 

 

 

 

Code 

Additional functions

 

 

 

 

 

 

 

 

 

F1

M20 x 1.5 external thread

 

 

 

 

 

 

 

 

 

F2

G 1 / 4 external thread

 

 

 

 

 

 

 

 

 

F0

Special

 

 

 

 

 

 

 

 

 

L1

Pointer (0 ~ 100%) display

 

 

 

 

 

 

 

 

 

L2

3 1 / 2 LCD display

 

 

 

 

 

 

 

 

 

L3

3 1 / 2 LED display

 

 

 

 

 

 

 

 

 

P

Flushed membrane type

 

 

 

 

 

 

 

 

 

E

Intrinsically safe explosion - proof type Ex ia II CT5

 

 

 

 

 

 

 

 

 

 

 

 

HM25 ( 0 ~ 100KPa)

 

 

— 1

— A1

— F1

— L2 Industrial - type 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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