Siemens SITRANS P Bedienungsanleitung PDF herunterladen (Seite 99)

SITRANS P measuring instruments for pressure

Transmitters for gage, absolute and differential pressure, flow and level

DS III series for absolute pressure

(from differential pressure series)

2/99

Siemens FI 01 · 2009

Rated operating conditions

Degree of protection (to EN 60529) IP65

Process temperature

• Measuring cell with silicone oil filling -40 ... +100 °C (-40 ... +212 °F)

• Measuring cell with inert filling liquid -20 ... +100 °C (-4 ... +212 °F)

• In conjunction with dust explosion protec-

tion

-20 ... +60 °C (-4 ... +140 °F)

Ambient conditions

• Ambient temperature

- Digital indicators -30 ... +85 °C (-22 ... +185 °F)

• Storage temperature -50 ... +85 °C (-58 ... +185 °F)

• Climatic class

- Condensation Permissible

• Electromagnetic compatibility

- Emitted interference and interference im-

munity

To EN 61326 and NAMUR NE 21

Design

Weight (without options) ≈ 4.5 kg (≈ 9.9 lb)

Housing material Poor in copper die-cast aluminium, GD-AlSi12 or stainless steel precision casting, mat. No. 1.4408

Wetted parts materials

• Seal diaphragm Stainless steel, mat. No. 1.4404/316L or Hastelloy C276, mat. No. 2.4819, Monel, mat. No. 2.4360,

tantalum or gold

• Process flanges and sealing screw Stainless steel, mat. No. 1.4408, Hastelloy C4, mat. No. 2.4610 or Monel, mat. No. 2.4360

• O-Ring FPM (Viton) or optionally: PTFE, FEP, FEPM and NBR

Measuring cell filling Silicone oil or inert filling liquid (max. 160 bar (2320 psi a) with oxygen measurement)

Process connection ¼-18 NPT and flange connection to DIN 19213 with mounting thread M10 to DIN 19213 or

-20 UNF to EN 61518

Material of the mounting bracket

• Steel Sheet steel, Mat. No. 1.0330, chrome-plated

• Stainless steel Stainless steel, Mat. No. 1.4301 (SS304)

Power supply U

Supplied through bus

Terminal voltage on transmitter 10.5 ... 45 V DC

10.5 ... 30 V DC in intrinsically-safe mode

Separate 24 V power supply necessary - No

Bus voltage

• Not Ex - 9 ... 32 V

• With intrinsically-safe operation - 9 ... 24 V

Current consumption

• Basic current (max.) - 12.5 mA

• Startup current ≤ basic current - Yes

• Max. current in event of fault - 15.5 mA

Fault disconnection electronics (FDE) avail-

able

-Yes

SITRANS P, DS III series for absolute pressure (from differential pressure series)

HART PROFIBUS PA or FOUNDATION Fieldbus

1 2 ... 94 95 96 97 98 99 100 101 102 103 104 ... 233 234

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