Pressure transmitter SITRANS LH100 (submersible sensor)

Mode of operation

Measuring principle

piezo-resistive

Input

Measured variable

Hydrostatic level

Measuring range

Max. permissible operating pressure

• 0 ... 4 mH₂O (0 ... 12 ftH₂O)

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

• 0 ... 5 mH₂O (0 ... 15 ftH₂O)

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

• 0 ... 6 mH₂O (0 ... 18 ftH₂O)

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

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

• 0 ... 0.4 bar

• 1.5 bar

• 0 ... 0.5 bar

• 1.5 bar

• 0 ... 0.6 bar

• 1.5 bar

• 0 ... 1 bar

• 3.0 bar

• 0 ... 2 bar

• 5.0 bar

Output

Output signal

4 ... 20 mA

Measuring accuracy

According to IEC 60770-1

Error in measurement at limit setting including hysteresis and reproducibility

0.3% of full-scale value (typical)

Influence of ambient temperature

Zero and span

• 4 ... 6 mH₂O (12 ... 18 ftH₂O or 0.4…0.6 bar)

0.45 %/10 K of full-scale value

• > 6 mH₂O ( > 18 ftH₂O or > 0.6 bar)

0.3 %/10 K of full-scale value

Long-term stability

Zero and span

• 4 ... 6 mH₂O (12 ... 18 ftH₂O or 0.4…0.6 bar)

0.25% of full-scale value/year

• > 6 mH₂O ( > 18 ftH₂O or > 0.6 bar)

0.2 % of full-scale value/year

Rated conditions

Ambient conditions

• Process temperature

-10 ... +80 °C (14 ... 176 °F)

• Storage temperature

-40 ... +80 °C (-40 ... +176 °F)

Degree of protection according to IEC 60529

IP68

Design

Weight

• Pressure transmitter

 ? 0.2 kg ( ? 0.44 lb)

• Cable

0.025 kg/m (? 0.015 lb/ft)

Electrical connection

Cable with 3 conductors, vent pipe and integrated humidity filter

Material

• Seal diaphragm

Al₂O₃ ceramic, 96%

• Enclosure

Stainless steel, mat. no. 1.4404/316L

• Gasket

FPM (standard)

EPDM (optional)

• Connecting cable

PE-HD (standard)

PE-LD (in the case of versions with EPDM seal, suitable for drinking water applications)

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)

applied for

Drinking water approval (WRAS)

applied for

GOST

applied for

Underwriters Laboratories (UL)

applied for

The transmitter is not subject to the pressure equipment directive (PED 97/23/EC)

Explosion protection

• Intrinsic safety "i"

IECEx SEV 14.0003
SEV 14 ATEX 0109

• 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 M20x1.5

Enclosure material

polycarbonate

Vent pipe for atmospheric pressure

Screw for cable strength cord

Rated conditions

Degree of protection according to IEC 60529

IP65

Cable hanger

Application

for mounting the transmitter

Design

Weight

0.16 kg (0.35 lb)

Material

Galvanized steel, polyamide