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

• Two-wire system

4 ... 20 mA

• 3-wire system

0 ... 20 mA

Measuring accuracy

to EN 60770-1

Linearity error including hysteresis (reference point adjustment)

= 0.2 % of full-scale value

Adjustment accuracy

= ± 0.2 % of full-scale value

Response time

< 20 ms

Influence of ambient temperature

On the enclosure

• Zero

< 0.2 %/10 K of full-scale value

• Measured 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 (0.070 psi/10 K)

• DN 32 / 1¼"

2.3 mbar/10 K (0.033 psi/10 K)

• DN 40 / 1½"

1.6 mbar/10 K (0.023 psi/10 K)

• DN 50 / 2"

0.6 mbar/10 K (0.009 psi/10 K)

• Clamp-on seal

• DN 25 / 1"

9.5 mbar/10 K (0.138 psi/10 K)

• DN 32 / 1¼"

4.1 mbar/10 K (0.060 psi/10 K)

• DN 40 / 1½"

3.9 mbar/10 K (0.057 psi/10 K)

• DN 50 / 2"

3.9 mbar/10 K (0.057 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 EN 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)

Construction

Weight (without remote seal)

• Field housing

˜ 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 connecting cable depending on design

Process connection

• Versions

See ordering data

• Material of coupling

Stainless steel, mat. No. 1.4404/316L

Power supply

Terminal voltage on transmitter

10 ... 30 V DC

Rated voltage

24 V DC

Certificates and approvals

Classification according to pressure equipment directive (DRGL 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 TÜV Nord

Explosion protection

• Intrinsic safety "i"

TÜV 03 ATEX 2099 X

• Identification

Ex II 2G EEx ib IIC T6