Tài liệu kỹ thuật của Cảm biến áp suất đo mức thủy tĩnh Siemens SITRANS LH100 Transmitter for hydrostatic level

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 ... 3 mH₂O (0 ... 9 ftH₂O)

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

• 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 ... 0.3 bar

• 1.5 bar

• 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

Measurement accuracy

According to IEC 60770-1

Measurement deviation at limit setting including hysteresis and reproducibility

Measuring range

• 0 ... 3 mH₂O
  (0 ... 9 ftH₂O or 0 ... 0.3 bar)

0.5% of upper range value (typical)

1.0% of upper range value (maximum)

• for all other measuring ranges

0.3% of upper range value (typical)

0.6% of upper range value (maximum)

Effect of ambient temperature

Measuring range

Zero and span

• 3 mH₂O (9 ftH₂O or 0.3 bar)

0.45 %/10 K of upper range value

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

0.45 %/10 K of upper range value

• > 6 mH₂O ( > 18 ftH₂O or > 0.6 bar)

0.3 %/10 K of upper range value

Long-term stability

Measuring range

Zero and span

• 3 mH₂O (9 ftH₂O or 0.3 bar)

0.4% of upper range value/year

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

0.25% of upper range value/year

• > 6 mH₂O ( > 18 ftH₂O or > 0.6 bar)

0.2 % of upper range value/year

Operating 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

Mechanical construction

Weight

• Pressure transmitter

 ≈ 0.2 kg ( ≈ 0.44 lb)

• Cable; maximum cable length 100 m (330 ft)

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)

15 ACC NY 360

EAC

№ TC RU C-DE.ГБ05.В.00732
OC НАНИО «ЦСВЭ»

Underwriters Laboratories (UL)

2014-11-17 - E344532

The device is not subject to the pressure equipment directive (PED 2014/68/EU)

Explosion protection

• Intrinsic safety "i"

IECEx SEV 14.0003
SEV 14 ATEX 0109

• Marking

II 1 G Ex ia IIC T4 Ga

• EAC Ex

TC RU C-DE.AA87.B.00324

Junction box

Application

For connecting the transmitter cable

Mechanical construction

Weight

0.2 kg (0.44 lb)

Electrical connection

2 x 3-way (28 to 18 AWG)

Cable entry

2 x Pg 9

Enclosure material

polycarbonate

Vent pipe for atmospheric pressure

Operating conditions

Degree of protection according to IEC 60529

IP65

Anchoring clamp

Application

For mounting the transmitter

Mechanical construction

Weight

0.16 kg (0.35 lb)

Material

Galvanized steel, polyamide