SITRANS LC 300 Capacitance Level Probe Transmitter

  • Versatile Suitable for level measurement of liquids, slurries and solids
  • Two Versions Available Choose between cable version (25m range) or rod version (5.5m range)
  • Cost Effective Provides a cost effective solution for level monitoring
  • High Accuracy Deviation < 0.5% of actual measurement value
Product Options


The LC300 is a 2-wire-loop-powered capacitance level probe transmitter for level measurement of liquids, solids and slurries.

  • High sensitivity
  • 2-wire design
  • Push-button calibration
  • Easy installation & maintenance

Available in two versions (rod and cable), the SITRANS LC 300 capacitance level probe is a cost-effective instrument for level measurement in high accuracy applications such as the processing of food and beverages, pharmaceuticals, detergents and pet food.

The LC300 capacitance level probe performs in liquids, bulk solids and slurries, including viscous (conductive or non-conductive) materials, even in challenging environments involving vapour and dust.

The LC 300 is a 2-wire level measurement instrument combining a sophisticated, yet easy-to-adjust, microprocessor with field-proven Pointek CLS 300 probes. It is available in two versions: rod and cable.

All wetted parts are made of stainless steel with a PTFE/FEP insulator for high chemical resistance. Materials with low or high dielectric properties are accurately measured and the patented Active-Shield technology helps in ignoring the effects of build-up.

  • Patented Active-Shield technology
  • High-sensitivity probe
  • Fast, cost-effective set-up using LCD
  • 2-wire (4-20 mA) current loop design
  • Current signalling according to NAMUR NE 43
  • Push-button calibration
  • Easy to install and maintain
  • 'Levelwatch' network friendly for Internet-based remote monitoring

Manufactured by: Siemens-Milltronics
Model: SITRANS LC 300 Capacitance Level Probe Transmitter

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance


Tank level measurement
Conductive and non-conductive
Liquids and solids


Measuring range 1.66 - 3300 pF
Span Min. 3.3 pF
Loop current Continuous signal 4 - 20 mA/
20 - 4 mA acc. to NAMUR 43
Accuracy (transmitter)
Temperature stability 0.25% of actual capacitance value
Non-linearity and repeatability < 0.4% of full scale and actual measurement value
Accuracy Deviation < 0.5% of actual measurement value
Rated operating conditions†
Ambient conditions
- Ambient temperature -40 - +85 °C (-40 - +185 °F)‡
- Installation category I
- Pollution degree 4
- Ingress protection Type 4/NEMA 4/IP65 (optional IP68)
Installation conditions
- Location Indoor/outdoor
Process pressure -1 - +35 bar g (-14.6 - +511 psi g)
Process temperature -40 - +200 °C (-40 - +392 °F)††
Min. dielectric constant εr 1.5
- Enclosure Aluminum, epoxy-coated
Probe diameter
- Rod version 19 mm (0.75 inch) with PFA jacket
- Cable version 9 mm (0.35 inch) with PFA jacket,
6 mm (0.24 inch) without PFA jacket
Active shield length
- Rod version threaded: 120 mm (4.72 inch)
flanged: 100 mm (3.94 inch)
- Cable version threaded: 125 mm (4.92 inch)
flanged: 105 mm (4.13 inch)
Process connection of the probe
- Threaded rod mounting ¾”,1”,1½”, 1½” NPT [(Taper),
ANSI/ASME B1.20.1]
R ¾”,1”, 1½” [(BSPT),
EN 10226/PT (JIS-T), JIS B 0203]
G ¾”,1”, 1½” [(BSPP),
EN ISO 228-1/PF (JIS-P),
JIS B 0202]
- Threaded cable mounting 1½” NPT
[(Taper), ANSI/ASME B1.20.1]
R 1½” [(BSPT), EN 10226/PT
(JIS-T), JIS B 0203]
G ½”
[(BSPP), EN ISO 228-1/PF (JIS-P),
JIS B 0202]
- Flange mounting 1 - 4” ASME, DN 25 - 100
Enclosure cable inlet 2 x ½” NPT or 2 x M20x1.5
Power supply 12 - 30 V DC any polarity, 2-wire
current loop circuit
User interface
Display Local LCD, 4 digit, each 0 - 9 and limited alpha characters
Measurement current signalling According to NAMUR NE 43, signal 3.8 - 20.5 mA, fault ≤ 3.6 or ≥ 21 mA (22 mA)
Certificates and approvals
Dust ignition proof (intrinsically safe probe circuit) (Europe)
ATEX 1/2 D T100 °C
Class II, Div. 1, Groups E,F,G
Class III T4
Flame Proof (intrinsically safe probe circuit) (Europe)
ATEX II 1/2 G EEx d [ia] IIC
ATEX II 1/2 D T100 °C
Explosion Proof (intrinsically safe probe circuit) (US/Canada)
Class I, Div. 1, Groups A,B,C,D
Class II, Div. 1, Groups E,F,G
Class III T4
Marine Bureau Veritas Type Approval
ABS Type Approval
Overfill protection AIB-Vincotte
Other Pattern Approval (China)
† When operation is in areas classified as hazardous, observe restrictions according to relevant certificate. See also Pressure/Temperature curves.
‡ Thermal isolator is used if process connection temperature exceeds +85 °C (+185 °F)
†† Not suitable for steam environments


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