Pressure transmitter SITRANS LH300 (submersible sensor)

Mode of operation

Measuring principle

Piezo-resistive

Input

Measured variable

Hydrostatic level

Measuring range

Max. permissible operating pressure

• 0 ... 1 mH₂O (0 ... 3 ftH₂O)

• 1.5 bar (21.8 psi) (corresponds to 15 mH₂O (45 ftH₂O))

• 0 ... 2 mH₂O (0 ... 6 ftH₂O)

• 1.5 bar (21.8 psi) (corresponds to 15 mH₂O (45 ftH₂O))

• 0 ... 3 mH₂O (0 ... 9 ftH₂O)

• 1.5 bar (21.8 psi) (corresponds to 15 mH₂O (45 ftH₂O))

• 0 ... 4 mH₂O (0 ... 12 ftH₂O)

• 2 bar (29 psi) (corresponds to 20 mH₂O (60 ftH₂O))

• 0 ... 5 mH₂O (0 ... 15 ftH₂O)

• 2 bar (29 psi) (corresponds to 20 mH₂O (60 ftH₂O))

• 0 ... 6 mH₂O (0 ... 18 ftH₂O)

• 2 bar (29 psi) (corresponds to 20 mH₂O (60 ftH₂O))

• 0 ... 10 mH₂O (0 ... 30 ftH₂O)

• 5 bar (72.5 psi) (corresponds to 50 mH₂O (150 ftH₂O))

• 0 ... 20 mH₂O (0 ... 60 ftH₂O)

• 10 bar (145 psi) (corresponds to 100 mH₂O (300 ftH₂O))

• 0 ... 40 mH₂O (0 ... 120 ftH₂O)

• 20 bar (290 psi) (corresponds to 200 mH₂O (600 ftH₂O))

Special measuring ranges

• Up to 100 mH₂O (0 ... 300 ftH₂O)

• 20 bar (290 psi) (corresponds to 200 mH₂O (600 ftH₂O))

• Up to 160 mH₂O (0 ... 480 ftH₂O)

• 24 bar (348 psi) (corresponds to 240 mH₂O (720 ftH₂O))

Measuring range

• 0 ... 0.1 bar

• 1.5 bar

• 0 ... 0.2 bar

• 1.5 bar

• 0 ... 0.3 bar

• 1.5 bar

• 0 ... 0.4 bar

• 2 bar

• 0 ... 0.5 bar

• 2 bar

• 0 ... 0.6 bar

• 2 bar

• 0 ... 1 bar

• 5 bar

• 0 ... 2 bar

• 10 bar

• 0 ... 4 bar

• 20 bar

Special measuring ranges

• Up to 10 bar

• 20 bar

• Up to 20 bar

• 24 bar

Output

Output signal

4 ... 20 mA

Measuring accuracy

According to IEC 60770-1

Measurement deviation at limit setting including hysteresis and reproducibility

≤ 0.15% of the full-scale value (typical)

≤ 0.3% of the full-scale value (max.)

Effect of ambient temperature

≤ 0.05%/10 K of the full-scale value (zero point and span)

Long-term stability

≤ 0.15% of the full-scale value/year (zero point and span)

Rated conditions

Ambient conditions

• Process temperature

-10 ... +80 °C (14 ... 176 °F)

• Storage temperature

-20 ... +80 °C (-4 ... +176 °F)

Degree of protection according to IEC 60529

IP68

Design

Weight

• Pressure transmitter

 в‰€ 0.4 kg ( ≈ 0.88 lb)

• Cable

0.08 kg/m (≈ 0.059 lb/ft)

Maximal freely suspended length

300 m (990 ft)

Electrical connection

Cable with 2 wires, venting tube and integrated humidity filters

Material

• Seal diaphragm

Al₂O₃ ceramic, 96%

• Enclosure

Stainless steel, Mat.‑No. 1.4404/316L or 1.4539/904L for seawater applications

• Gasket

FPM (standard)

EPDM (optional)

• Connecting cable

PE (standard/drinking water applications)

FEP (for corrosive process media)

• Protective cover

Stainless steel, PPE or ETFE

Auxiliary power

Terminal voltage on pressure transmitter U_B

10 ... 33 V DC

10 ... 30 V DC for transmitter with intrinsic safety explosion protection

Certificates and approvals

Drinking water approval (ACS)

17 ACC NY 055

Drinking water approval (WRAS)

Applied for

Drinking water approval (DVGW/KTW W270)

Applied for

EAC

TC N RU Д-DE.ГА02.B.05092

Underwriters Laboratories (UL)

Applied for

Marine approval (LR)

Applied for

Shipbuilding approval (DNV/GL)

Applied for

Marine approval (BV)

Applied for

Marine approval (ABS)

Applied for

Pressure Equipment Directive

The transmitter is not subject to the pressure equipment directive (DGRL 2014/68/EU)

Explosion protection

• ATEX

SEV 16 ATEX 0121

• IEC Ex

IEC Ex SEV 16.0003

• EAC Ex

TC RU C-DE.AA87.B.00324

Intrinsic safety "i"

• Marking

II 1 G Ex ia IIC T4 Ga

Junction box

Application

For connecting the transmitter cable

Design

Weight

0.2 kg (0.44 lb)

Electrical connection

2 x 3-way (28 to 18 AWG)

Cable entry

2 x PG 13.5

Enclosure material

polycarbonate

Vent pipe for atmospheric pressure

Rated conditions

Degree of protection according to IEC 60529

IP65

Anchoring clamp

Application

For mounting the transmitter

Design

Weight

0.16 kg (0.35 lb)

Material

Galvanized steel, polyamide

Terminal area

For cable with a diameter of 5.5 ... 9.5 mm