Product Description
Conductivity type Level Switches
Conductivity type Level Switches are very commonly used for liquid level sensing and control applications. It is suitable only for conducting liquids.
Salient Features:
- No moving part, free from maintenance.
- No special cable required for signal transmission, ECONOMICAL to install.
- Long cable connection permissible between probe and evaluation unit.
- AC on probes for prevention of electrolytic deterioration of electrodes.
- Low voltage on probe for operational safety.
- Variety of control functions and installation system available, beside single point switching.
- a] Two point action for automatic pump control.
- b] Two point independent switching.
- c] Three point switching, two points with pump control logic and one independent point
- d] Four point switching having two-pump control logic.
- Variety of probes available for various process conditions.
- Multichannel -4 point independent switching available for various process conditions.
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Technical Specifications (Standard):
| SWITCHING UNIT: |
| Housing | DIN Rail mounting |
| Ambient temperature | 0 C to +60 C |
| Power consumption | 1.9 VA |
| Mains Voltage | 230/110 V AC (+/-15%), 50 Hz or 24 V DC (ON REQUEST) |
| Output | 1 sets of potential free c/o contacts rated at 10 amps, 250 V AC for non-inductive loads. |
| Response Time | 0.5 Sec |
| SENSOR UNIT:
|
| Housing | Aluminium Die Cast |
| Weight | 1.5 Kg Cast Al. |
Reliable Level Detection for Conductive LiquidsEngineered for liquids with conductive properties, this level switch precisely monitors and controls fluid levels in tanks, wells, and process vessels. The adjustable sensitivity allows customization across different liquid types, making it versatile for many industrial processes, water treatment, and other applications.
Durable Stainless Steel 316 Electrode ConstructionEquipped with an SS316 electrode, the device is highly resistant to corrosion, which significantly extends service life even under harsh operational conditions. The robust build and anti-corrosive finish ensure consistent, safe performance throughout the products lifetime.
Easy Installation with Secure ConnectionsThe 1 BSP/NPT threaded process connection and PG9 cable entry gland ensure straightforward installation and secure electrical connections. The compact, single-module design further simplifies integration into automated systems.
FAQs of Conductivity type Level Switches:
Q: How does the conductivity type level switch operate in liquid detection?
A: The switch uses stainless steel electrodes to sense liquid presence by detecting changes in electrical conductivity. When conductive liquid bridges the gap between electrodes, the device outputs a relay signal, initiating the desired control action.
Q: What is the benefit of having an adjustable sensitivity range (10k100k)?
A: Adjustable sensitivity enables the level switch to accommodate various liquid conductivities, ensuring accurate detection even if the fluid properties change across different applications or processes.
Q: When should the relay contact (potential free) output be used?
A: The relay contact output is ideal for interfacing with control panels, alarms, or automation equipment, as it provides electrical isolation (potential free) from the monitored circuit, enhancing safety and compatibility.
Q: Where can this level switch be installed?
A: This device is suitable for installation on tanks, process vessels, and pipelines. The 1 BSP/NPT threaded or flange mounting makes it compatible with standard industrial fittings.
Q: What are the main usage scenarios for this switch in industrial environments?
A: It is widely used for controlling pumps, valves, and alarms in water treatment plants, chemical processing industries, and any application requiring reliable liquid level management for conductive fluids.
Q: How does the IP65 protection rating benefit the user?
A: The IP65 rating guarantees protection against dust and water jets, making the switch suitable for harsh industrial settings and outdoor installations.