© Siemens AG 2008

SITRANS P measuring instruments for pressure

Measuring point setup, in principle

Technical specifications

SITRANS P pressure transmitters, MPS series (submersible sensor)

Mode of operation

 

Measuring principle

Piezo-resistive

 

 

Input

 

Measured variable

Hydrostatic level

Measuring range

Maximum working pressure

• 0 ... 2 mH2O (0 ... 6 ftH2O)

• 1.4 bar (20.3 psi) (corresponds

 

to 14 mH2O (42 ftH2O))

• 0 ... 4 mH2O (0 ... 12 ftH2O)

• 1.4 bar (20.3 psi) (corresponds

 

to 14 mH2O (42 ftH2O))

• 0 ... 5 mH2O (0 ... 15 ftH2O)

• 1.4 bar (20.3 psi) (corresponds

 

to 14 mH2O (42 ftH2O))

• 0 ... 6 mH2O (0 ... 18 ftH2O)

• 3.0 bar (43.5 psi) (corresponds

 

to 30 mH2O (90 ftH2O))

• 0 ... 10 mH2O (0 ... 30 ftH2O)

• 3.0 bar (43.5 psi) (corresponds

 

to 30 mH2O (90 ftH2O))

• 0 ... 20 mH2O (0 ... 60 ftH2O)

• 6.0 bar (87.0 psi) (corresponds

 

to 60 mH2O (180 ftH2O))

Output

 

Output signal

4 ... 20 mA

 

 

Accuracy

To EN 60770-1

Error in measurement (including

0.3% of full-scale value (typical)

non-linearity, hysteresis and repeat-

 

ability, at 25 °C (77 °F))

 

Influence of ambient temperature

 

Zero and span

 

• 1 ... 6 mH2O (3 ... 18 ftH2O)

0.45%/10 K of full-scale value

6 mH2O (18 ftH2O)

0.3%/10 K of full-scale value

Transmitters for hydrostatic level

MPS series (submersible sensor)

 

 

 

 

 

 

 

Long-term stability

 

 

 

 

Zero and span

 

 

 

 

• 1 ... 6 mH2O (3 ... 18 ftH2O)

0.25% of full-scale value/year

6 mH2O (18 ftH2O)

0.2% of full-scale value/year

 

2

Rated operating conditions

 

 

 

 

 

 

 

Ambient conditions

 

 

 

 

• Process temperature

-10 ... +80 °C (+14 ... +176 °F)

 

• Storage temperature

-40 ... +100 °C (-40 ... +212 °F)

 

Degree of protection to

IP68

DIN EN 60529

 

 

 

 

 

 

 

 

 

Design

 

 

 

 

Weight

 

 

 

 

• Pressure transmitters

0.4 kg (0.88 lb)

• Cable

0.08 kg/m (0.054 lb/ft)

Electrical connection

Cable with 2 conductors with

 

screen and vent pipe, strength

 

cord (max. 300 N (67.44 lbf)

Material

 

 

 

 

• Seal diaphragm

Stainless steel, mat. No.

 

1.4571/316 Ti

• Casing

Stainless steel, mat. No.

 

1.4571/316 Ti

• Gasket

Viton

• Connecting cable

Optionally

 

PE/HFFR sheath (non-halogen)

 

or

 

FEP sheath

 

 

 

 

 

Power supply

 

 

 

 

Terminal voltage on pressure trans-

10 ... 36 V DC

mitter (UB)

 

 

 

 

Certificate and approvals

 

 

 

 

The transmitter is not subject to the pressure equipment directive

(DGRL 97/23/EC)

 

 

 

 

Explosion protection

 

 

 

 

• Intrinsic safety "i"

TÜV 03 ATEX 2004X

- Identification

Ex II 1 G EEx ia IIC T4

 

 

 

 

 

Junction box

 

 

 

 

 

 

 

Application

For connecting the transmitter

 

cable

 

 

 

 

 

Design

 

 

 

 

Weight

0.2 kg (0.44 lb)

Electrical connection

2 x 3-way (28 ... 18 AWG)

Cable entry

2 x M20x1.5

Enclosure material

Polycarbonate

Vent pipe for atmospheric pressure

 

 

 

 

Screw for cable strength cord

 

 

 

 

 

 

 

 

 

Rated operating conditions

 

 

 

 

Degree of protection to DIN EN

IP54

60529

 

 

 

 

 

 

 

 

 

Cable hanger

 

 

 

 

 

 

 

Application

For mounting the transmitter

 

 

 

 

 

Design

 

 

 

 

Weight

0.16 kg (0.35 lb)

Material

Galvanized steel, polyamide

Siemens FI 01 · 2009

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Image 147
Siemens P technical specifications 147, Junction box Application, Cable hanger Application