Pointek CLS300

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Pointek CLS300 (standard version) is a level switch for liquids, solids, slurries, foam, and interfaces in high temperature and pressure environments. It supports rod or cable probes and compensates for buildup on the sensing element.

Zalo Hotline: 0961.67.69.69

Categories: Level, Point Level Measurement, RF Capacitance

Description
Specifications

Key Features

Active Shield technology ensures accurate measurement even in the presence of material buildup or interference from long nozzles
Solid metal probe construction, highly resistant to abrasion, ideal for coarse or corrosive solids
Equipped with three LED indicators for power, output, and device adjustment status
High-temperature version available, rated up to 400 °C (752 °F)
Fully potted electronics offer robust protection against dust, vibration, and condensation

Typical Applications

Level detection of liquids, slurries, and bulk solids
Processes involving elevated temperature and pressure
Hazardous or explosive environments
Industries such as mining, metallurgy, and cement production
Harsh measurement points in tanks, silos, hoppers, or abrasive pipelines

Design and Materials

Wetted parts constructed of PFA-coated stainless steel, providing excellent chemical resistance
High-temperature version built with ceramic and stainless steel components
Detects media with both low and high dielectric constants
Modular design supports a wide selection of:
- Process connections
- Probe lengths
- Sensor materials
- Safety certifications
Available in rod and cable probe versions for flexible system integration

Category	Specification
Mode of operation	Inverse frequency shift capacitive level detection
Input	—
Measured variable	Change in picoFarad (pF)
Output	—
Output signal – Relay	1 SPDT Form C relay
Max. contact voltage	30 V DC / 250 V AC
Max. contact current	5 A DC / 8 A AC
Max. switching capacity	150 W DC / 2,000 VA AC
Time delay (ON and/or OFF)	1 … 60 s
Output signal – Solid-state	—
Output type	Galvanically isolated
Protection	Against reversed polarity (bipolar)
Max. switching voltage	30 V DC / 30 V peak AC
Max. load current	82 mA
Voltage drop	< 1 V, typical at 50 mA
Time delay (pre or post switching)	1 … 60 s
Accuracy	—
Resolution (sensitivity)	1% change in actual capacitance
Max. temperature error	0.2% of actual capacitance value
Rated operating conditions¹⁾	—
Installation location	Indoor / outdoor
Ambient conditions	—
Ambient temperature	-40 … +85 °C (–40 … +185 °F)²⁾
Storage temperature	-40 … +85 °C (–40 … +185 °F)
Medium conditions	—
Suitable media	Liquids, bulk solids, slurries, interfaces, and viscous applications
Min. dielectric constant εr	≥ 1.5
Process temperature – Rod/Cable version	-40 … +200 °C (–40 … +392 °F)²⁾
Process temperature – High-temperature version	-40 … +400 °C (–40 … +752 °F)
Process pressure³⁾	-1 … +35 bar g (–14.6 … +511 psi g)
Design	—
Material (enclosure)	Powder-coated aluminum with gasket
Degree of protection	Standard: Type 4 / NEMA 4 / IP65 Optional: Type 4 / NEMA 4 / IP68
Cable inlet	2 × M20 × 1.5 thread (option: 2 × ½″ NPT conduit, 1 plugged by default)
Controls and displays	—
Display	3 LEDs for power, output status, and power supply
Potentiometers	2 for time delay and sensitivity
Switches	5 DIP switches for: • Delay ON/OFF • Fail-safe High/Low • Time delay test/adjust • High/low sensitivity • Test delay settings
Power supply	—
Supply range	12 … 250 V AC/DC, 0 … 60 Hz, galvanically isolated, 2 W
Certificates and approvals	—
General purpose	CSA, FM, CE, RCM
Flameproof enclosure with IS probe	ATEX II 2 G Ex d[ia] IIC T6 … T1 ATEX II 1 D T100 °C
Dust ignition proof with IS probe	ATEX II 1 D T100 °C CSA/FM Class II, Div. 1, Groups E, F, G CSA/FM Class III T4
Explosion proof with IS probe	CSA/FM Class I, Div. 1, Groups A, B, C, D CSA/FM Class II, Div. 1, Groups E, F, G CSA/FM Class III T4
Marine	Lloyd’s Register (ENV1, ENV2, ENV5)
Overfill protection	WHG (Germany) VLAREM II (Belgium)
Others	Pattern Approval (China)

Footnotes:

For hazardous area applications, operational limits may be restricted. Refer to pressure/temperature curves.
Thermal isolator must be used if process temperature exceeds 85 °C (185 °F).
Process seal pressure rating depends on temperature. Refer to pressure/temperature curves.

Pointek CLS300

Key Features

Typical Applications

Design and Materials

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