Pressure transmitters for food, pharmaceuticals and biotechnology

Mode of operation

Measuring principle

piezo-resistive

Input

Measured variable

Gage or absolute pressure

Measuring range

0 ... 160 mbar (0 ... 2.32 psi)
...
0 ... 40 bar (0 ... 580 psi)

Output

Output signal

• 2-wire system

4 ... 20 mA

• Three-wire system

0 ... 20 mA

Measuring accuracy

According to IEC 60770-1

Error in measurement at limit setting incl. hysteresis and reproducibility

 0.2 % of full-scale value

Adjustment accuracy

 ±0.2 % of full-scale value

Step response time

< 20 ms

Influence of ambient temperature

On the enclosure

• Zero point

< 0.2 %/10 K of full-scale value

• Measuring span

< 0.2 %/10 K of full-scale value

On the process connection (remote seals)

Zero error (depends on design)

• Flange remote seal

• DN 25 / 1"

4.8 mbar/10 K (0.069 psi/10 K)

• DN 32 / 1 ”

2.3 mbar/10 K (0.92 psi/10 K)

• DN 40 / 1 ”

1.6 mbar/10 K (0.64 psi/10 K)

• DN 50 / 2"

0.6 mbar/10 K (0.24 psi/10 K)

• Clamp-on seal

• DN 25 / 1"

9.5 mbar/10 K (0.14 psi/10 K)

• DN 32 / 1 ”

4.1 mbar/10 K (0.06 psi/10 K)

• DN 40 / 1 ”

3.9 mbar/10 K (0.05 psi/10 K)

• DN 50 / 2"

3.9 mbar/10 K (0.05 psi/10 K)

The zero error specified for the process connection should be considered as a guideline for a standard design. We will produce a detailed system calculation on request. Systems with reduced remote seal errors are available on request.

Rated conditions

Installation conditions

• Mounting position

Any, vertical as standard

Ambient conditions

• Ambient temperature

-10 ... +70 °C (14 ... 158 °F)

• Storage temperature

-10 ... +90 °C (14 ... 194 °F)

• Process temperature

Max. 200 °C (392 °F), depending on design

• Degree of protection to IEC 60529

IP65, optional IP67

• Electromagnetic Compatibility

• Emitted interference

To EN 50081 Part 1, issue 1993 (residential and industrial areas). The unit has no own emissions.

• Noise immunity to

EN 50082 Part 2, issue March 1995 (industrial areas)

Design

Weight (without remote seal)

• Field enclosure

 460 G (  1.01 lb)

• Enclosure with plug

 200 g (  0.44 lb)

Enclosure

• Designs

• Field housing IP65 or IP67, with screwed gland
• Angled plug DIN 43650, IP65
• Cable connection, IP67
• Round plug connector M12, IP65

• Material

Stainless steel, mat. no. 1.4404/316L/1.4305

Material of union nut

Polyamide (with electrical connection using plug or cable)

Electronics unit potted with silicone

Internal ventilation for measuring ranges < 16 bar (< 232 psi), through housing thread or connection cable depending on design

Process connection

• Versions

See ordering data

• Material of coupling

Stainless steel, mat. no. 1.4404/316L

Auxiliary power supply

Terminal voltage on transmitter

10 ... 30 V DC

Rated voltage

24 V DC

Certificates and approvals

Classification according to pressure equipment directive (PED 97/23/EC)

For gases of fluid group 1 and liquids of fluid group 1; complies with the requirements of article 3, paragraph 1 (appendix 1); assigned to category III, conformity evaluation module H by the TUV Nord

Explosion protection

• Intrinsic safety "i"

TUV 03 ATEX 2099 X

• Marking

Ex II 2G EEx ib IIC T6