Capacitance level switch

Capacitance level switch

The Pointek capacitance level switches from Siemens excel in sensitivity, consistently outperforming conventional devices by generating significant frequency changes in response to minor level adjustments. Their robust aluminum enclosures and process connections make them superior performers, especially in challenging bulk solids applications.

The SITRANS LCS and Pointek CLS series of capacitive point level switches offer accurate, reliable, and repeatable measurements. These switches ensure excellent performance even under harsh conditions, including interface, high-pressure, and high-temperature applications.

SIEMENS LCS100 Capacitance Level Switches

SIEMENS Pointek CLS200 Capacitance Level Switches

SIEMENS Pointek CLS300 Capacitance Level Switches

SIEMENS LCS050 CAPACITANCE LEVEL SWITCHES

SIEMENS SITRANS LC300 CAPACITANCE LEVEL TRANSMITTER

SIEMENS LCS100 Capacitance Level Switches

SITRANS LCS100, a versatile point level switch that's suitable for a wide range of applications across various industries. It's designed to detect point levels in liquids, solids, slurries, foam, and interface detection. The compact design, along with its plastic or stainless steel process connections and flexible rod and cable probe extensions, make it well-suited for confined spaces. Additionally, its functionality in overflow, high, low, and demand applications, as well as pump protection, makes it a valuable solution for different scenarios.

Catalog Sheet SITRANS LCS100

Operating Instructions SITRANS LCS100 2-wire mA and Relay version

Operating Instructions SITRANS LCS100 I/O link version

Level Measurement Brochures

Level Measurement Flyers

Application

SITRANS LCS100's flexible insertion length, starting at 92 mm (3.6 inch), and its versatility in various applications and in vessels or pipes make it a good fit for most point level applications. Its advanced design provides accurate, repeatable, switchpoint performance. The PPS (Polyphenylene sulfide) probe [optional PVDF (Polyvinylidene Fluoride)] and optional peek are chemically resistant with an effective process operating temperature range from ?40 to +125 °C (?40 to +257 °F). The fully potted design ensures reliability in a vibrating environment such as agitated tanks. When used with a SensGuard protection cover, the LCS100 is protected from shearing, impact, and abrasion in tough primary processes.

The SITRANS LCS100 is available with either a stainless steel enclosure or a polyester enclosure and stainless steel or PPS process connection options.


Range	92 mm (3.6 inch)
Range	to 20 000 mm (787 inch)
Process Temperature	-40 ... +125 °C
Process Temperature	(-40 ... +257 °F)
Process Pressure	25 bar (363 psi)
Process Pressure	25 bar (363 psi)
Versions Available	Compact, rod and cable
Outputs	8/16 mA or 4 ... 20 mA
	2-wire loop
	IO-Link,
	PNP, NPN, relay
Options	SensGuard probe cover
Options	Probe materials: PPS, PVDF, PEEK
Key Applications	Liquids, slurries, foam, solids and interface in various industries including: oil and gas, chemicals, food and general industries including hazardous areas

Benefits

Potted construction provides protection from shock and vibration
Factory calibrated to work in most applications without tuning
Active shield and tunable to compensate for build-up
Optional IO-link communication and remote testing
Options for plastic or Stainless steel enclosure and M12 connection

More details

SIEMENS Pointek CLS200 Capacitance Level Switches

The Pointek CLS200 is indeed a versatile inverse frequency shift capacitance level switch that excels in detecting liquids, solids, slurries, foam, and interfaces. It stands out for its adaptability to various applications, offering optional rod/cable choices and configurable outputs to meet specific needs.

The digital version, equipped with PROFIBUS PA and additional diagnostic features, enhances its functionality and usability. It comes with a display, making it suitable for standalone use, and facilitates network connection through PROFIBUS PA communication.

In terms of alarms, the standard version includes 3 LED indicators with basic relay and solid-state switch alarms, while the digital version provides an integral LCD display. The power supply, galvanically isolated and compatible with a wide range of voltages, adds to its reliability.

Constructed with stainless steel and PPS (with PVDF optional), the probe can withstand temperatures up to +125 °C (+257 °F) on the process wetted portion. It responds to materials with a dielectric constant of 1.5 or more by detecting a change in oscillating frequency and can be set to detect before contact or on contact with the probe. Importantly, the CLS200 operates independently of the tank wall or pipe, eliminating the need for an external reference electrode for level detection in non-conductive vessels.

Overall, the Pointek CLS200 offers a comprehensive set of features suitable for diverse industrial settings.

Catalog Sheet Pointek CLS200

Operating Instructions Pointek CLS200/CLS300, Standard

Operating Instructions Pointek CLS200/CLS300 Digital

Pointek CLS200 (Standard) - Functional Safety Manual

Level Measurement Brochures

Level Measurement Flyers

Process Instrumentaton Brochures

Application

Pointek CLS200 standard version has 3 LED indicators with basic relay and solid-state switch alarms. Universal switch for solids/liquids and interface. The power supply is galvanically isolated and accepts a wide range of voltages (12 to 250 V AC/DC). When used with thermal isolator, the stainless steel and PPS (PVDF optional) materials used in the probe construction provide a temperature rating up to 125 °C (257 °F) on the process wetted portion of the probe. The switch responds to any material with a dielectric constant of 1.5 or more by detecting a change in oscillating frequency, and it can be set to detect before contact or on contact with the probe. The CLS200 operates independently of the tank wall or pipe so it does not require an external reference electrode for level detection in a non-conductive vessel such as concrete or plastic (EMC regulations applicable in some regions).

• Key Applications: liquids, slurries, powders, granules, pressurized applications, hazardous areas

Pointek CLS200 digital version provides an integral LCD display for stand-alone use, and also provides PROFIBUS PA communication (Profile version 3.0, Class B) for connection to a network. The power supply is galvanically isolated and accepts a wide range of voltages (12 to 30 V DC). When used with thermal isolator, the stainless steel and PPS (PVDF optional) materials used in the probe construction provide a temperature rating up to 125 °C (257 °F) on the process wetted portion of the probe. The switch responds to any material with a dielectric constant of 1.5 or more by detecting a change in oscillating frequency, and it can be set to detect before contact or on contact with the probe. The menu-driven setup allows precise control of the switch point signal damping and alarm functions.

When connected to the PROFIBUS network, advanced diagnostics and set up using SIMATIC PDM are possible. The CLS200 operates independently of the tank wall or pipe so it does not require an external reference electrode for level detection in a non-conductive vessel such as concrete or plastic (EMC regulations applicable in some regions).

• Key Applications: liquids, slurries, powders, granules, pressurized applications, hazardous areas

Range	Rod: 5.5 m (18 ft)
Range	Cable: up to 30 m (98 ft)
Process Temperature	-40 to 125 °C
Process Temperature	(-40 to 257 °F)
Process Pressure	Rod: up to 25 bar g (365 psi g)
Process Pressure	Cable: up to 10 bar g (145 psi g)
Versions Available	Compact, rod, cable
Outputs	Profibus PA (Digital version),
Outputs	solids state, relay
Options	Functional Safety (SIL 2). Device suitable for use in accordance with IEC 61508 and IEC 61511
	PROFIBUS PA
	LCD display
	SensGuard probe cover
	Probe materials: PPS, PVDF
Key Applications	Liquids, slurries, foam, solids, and interface in various industries including: oil and gas, chemicals, food and general industries i

Benefits

Potted construction protects signal circuit from shock, vibration, humidity and/or condensation
High chemical resistance
Level detection independent of tank or pipe earth reference
Insensitive to product buildup due to high frequency oscillation
High sensitivity allows installation in a wide range of liquids, solids or slurry applications (Digital version)
Integral LCD display allows for easy setup of CLS200 when you can configure switching threshold, even under the most demanding process conditions (digital version only)
Extended rod, cable and sanitary versions available
Standard version: 3 LED indicators for adjustment control, output status and power
Digital version: integral LCD display, and PROFIBUS PA communication

More details

SIEMENS Pointek CLS300 Capacitance Level Switches

The Pointek CLS300 is an advanced inverse frequency shift capacitance level switch designed for demanding conditions where high pressure and temperatures are present. It offers optional rod/cable choices and configurable output, making it suitable for detecting liquids, solids, slurries, foam, and interfaces in challenging environments.

The digital version, equipped with PROFIBUS PA, includes a display and additional diagnostic features, enhancing its functionality. The standard version features 3 LED indicators with basic relay or solid-state switch alarms, while the digital version provides an integral LCD display for standalone use and PROFIBUS PA communication when required.

Its robust design makes it particularly applicable for heavy solids applications, such as in the mining industry, where abrasive materials are present. The fully potted electronics are unaffected by condensation, dust, or vibration. Wetted parts are made of stainless steel or stainless steel with a PFA shield for high chemical resistance, and ceramic inserts are supplied with high temperature CLS300 devices.

The unique Active Shield suppresses interference from material buildup, and the modular design provides a wide range of configurations, process connections, extensions, and approvals to meet specific temperature and pressure requirements. This modular design streamlines ordering and reduces stocking requirements.

The Pointek CLS300 seems to offer a comprehensive solution for applications in challenging industrial settings.

Catalog Sheet Pointek CLS300

Operating Instructions Pointek CLS200/CLS300, Standard

Operating Instructions Pointek CLS200/CLS300 Digital

Level Measurement Brochures

Level Measurement Flyers

Process Instrumentaton Brochures

Application

Pointek CLS300 standard version has three LED indicators with basic relay and solid-state switch alarms. The robust design of CLS300 makes it specifically applicable for heavy solids applications where abrasive materials occur as in the mining industry. The fully potted electronics are unaffected by condensation, dust or vibration.

Wetted parts are made of stainless steel with a PFA shield for high chemical resistance, and of ceramic and stainless steel for high temperature version. Materials with low or high dielectric constants can be accurately detected. The unique Active Shield suppresses interference from material buildup or long installation nozzles.

The unique modular design of the Pointek CLS300 provides a wide range of configurations, process connections, extensions and approvals to meet the temperature and pressure requirements of specific applications. The modular design makes ordering easier and reduces stocking requirements. A wide range of probe configurations are available, including rod and cable versions.

Key Applications: liquids, slurries, bulk solids, relatively high pressure and temperature, hazardous areas, milling and mining applications

Pointek CLS300 digital version provides an integral LCD display for stand-alone use, with PROFIBUS PA communication (Profile version 3.0, Class B) when required. Solid-state switch alarm is standard. The robust design of CLS300 makes it specifically applicable for heavy solids applications where abrasive materials occur as in the mining industry. The fully potted electronics are unaffected by condensation, dust or vibration.

Benefits

Patented Active-Shield technology so measurement is unaffected by material buildup in active shield section
Performs in extremely abrasive conditions because of solid rod construction
Standard version: 3 LED indicators for adjustment control, output status and power
Digital version: integral LCD display, and PROFIBUS PA communication
Push-button calibration, full-function diagnostics
Multiple output options

More details

SIEMENS LCS050 CAPACITANCE LEVEL SWITCHES

SITRANS LCS050 is an ultra-compact capacitance switch designed for point level detection in constricted spaces, particularly for applications involving water-based liquids, slurries, and foam. Its compact design makes it suitable for installations where space is limited.

Catalog Sheet SITRANS LCS 050

Operating Instructions SITRANS LCS 050

Level Measurement Brochures

Level Measurement Flyers

The SITRANS LCS050's ultra-compact design, short insertion length of 15 mm (0.59 inch), and versatility in various applications in vessels or pipes, makes it a good replacement for traditional point level switches.

Its advanced alternating capacitance field at the sensor tip ensures material detection based on changes in capacitance, providing repeatable performance. The PEEK probe is chemically resistant with an effective process operating temperature range from ?20 to +100 °C (?4 to +212 °F) and supports sterilization in place at 135 °C (275 °F) for up to 1 hour. The product design ensures reliability in a vibrating environment such as agitated tanks up to 5 g.

Key Applications: water-based liquids with > 10 % water (alcohols, acids, cleaning agents), slurries and foam for point level, overfill and dry run protection including small pipes due to its compact design.

Range	15 mm (0.59 inch)
Process Temperature	-20 … +100 °C (-4 … +212 °F)
Process Temperature	up to 1h, +135 °C (+275 °F)
Process Pressure	-1 … 25 bar/-100 … 2 500 kPa
Process Pressure	(-14.5 … 363 psig)
Versions Available	Compact
Outputs	Transistor (PNP/NPN),
Outputs	IO-Link acc. to IEC 61131-9
Key Applications	Water-based liquids with > 10 % water (alcohols, acids, cleaning agents), slurries, foam and interface for point level, overfill and dry run protection including small pipes due to its compact design

Benefits

Easy installation with no need for adjustment
Low maintenance with no moving parts
Highly visible 360-degree status indication
M12 connector for ease of installation
IO-Link communication option for advanced monitoring and configuration

More details

SIEMENS SITRANS LC300 CAPACITANCE LEVEL TRANSMITTER

SITRANS LC300 seems to be a versatile and reliable level transmitter suitable for various industries. If you have any specific questions about its features, applications, or usage,

Catalog Sheet SITRANS LC300

Operating Instructions SITRANS LC300

Quick Start Manual SITRANS LC300

Level Measurement Brochures

Level Measurement Flyers

Process Instrumentaton Brochures

SITRANS LC300 is a 2-wire level measurement instrument combining a sophisticated, yet easy-to-adjust microprocessor with field-proven probes. It is available in four versions: rod, rod with stilling well, cable with PFA insulation, and cable without PFA insulation.

Materials with low or high dielectric properties are accurately measured and Active-Shield technology helps in ignoring the effects of buildup or condensation near vessel nozzle.

Key Applications: conductive (dK ≥ 20) and non-conductive (dK < 20) media including: liquids and solids in standard industrial processes, bulk solids applications involving dust, and chemical processes involving vapor

Range	- Rod: 5.5 m (18 ft)
Range	- Cable: 25 m (82 ft)
Process temperature	-40 to 200 °C (-40 to 392 °F)
Process pressure	Up to 35 bar g (511 psi g)
Communications or Outputs	2-wire (4 to 20 mA) current loop design
Options	Stilling well version
Key Applications	Standard industrial applications in chemical, hydrocarbon processing, food and beverage and mining, aggregate and cement industries

Benefits

Active-Shield technology so measurement is unaffected by material buildup in active shield section
Highly accurate and reliable PFA-lined probes
Integrated local LCD display
2-wire (4 to 20 mA) current loop design
Current signaling according to NAMUR NE 43
Push-button calibration and programming
Stilling well (ground tube) version for low dielectric media, agitated materials, and non-metallic vessels

More details

Brands

Product Types

Industries We Serve