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LEVEL SWITCHES

LEVEL SWITCHES (SOLID) MEMBRANE

The level switch consists of a microswitch inside a plastic box, covered by a flexible membrane.

The device must be mounted so that the flexible membrane is exposed to the product whose level should be controlled, in such a way that the product, if present, can press the membrane. When this membrane becomes covered up by the product, it moves under the product pressure, thereby working the microswitch. The device must be connected to control signals or to mechanisms driving the product transportation systems, like feeding, unloading, etc.


Normal sensitivity: 60 g
Membrane material: nitrilo Buna N
Max. work ambient temperature: -20ºC a / to +80ºC
Microswitch contacts: 15 A, 250 V ~, cos j =1
Max. cable size to be connected: 2,5 mm2
Thread for cable inlet: PG 11
Housing: Fiberglass reinforced polypropylene
Weather protection with filter upwards: IP 40
Weather protection with filter downwards: IP 53
Weight: 0,5 kg

The level switch is used for indicating, controlling, and regulating the level of granulated or powdered dry materials with a grain diameter up to 30 mm and a density of 0,3 to 2,5 g/cm3, flowing through a silo, hopper or conduit.

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LEVEL SWITCHES (SOLID) RF ADMITTANCE

- Three-Element Coat Guard Technology ignores material build-up on the probe: High Reliability
- Fast and Easy Installation, Simple Calibration
- Suitable for highly dusty environment
- Field selectable operation logic - can be configured either for High or Low level      point switching
- Provides economical solutions. Various models not required. Reduces the             inventory.

- Building Industry Materials, cement, sand, lime, etc.
- Foodstuff Industry, powder, granular etc.
- Timber industry, Chemical and Mining etc.

Housing: Aluminum, weather proof
Ambient temperature: 0 ° C to +60° C
Power supply: 18 to 30 V D /65 to 265 V AC
Output: PNP/NPN or Relay
Operating Frequency: 6 KHz
Mounting: Screwed /Flanged
Sense rod: Stainless steel
Housing: IP 53
Shield : Stainless steel
Operating Temp in: 100 deg C.
Insulation: PTFE (standard)

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LEVEL SWITCHES (SOLID) ROTARY PADDLE SWITCH

The level switch is used for indicating, controlling, and regulating the level of granulated or powdered dry materials with a grain diameter up to 15 mm flowing through a silo, hopper or conduit.The device specially detects the presence or absence of product at its level.
It consists of a synchronous low speed motor reducer, which is closed inside a fibreglass reinforced plastic box, and whose shaft drives a stainless steel blade rotating outside the box.

The synchronous motor reducer with low speed and small torque, drives the stainless steel blade which should have been mounted so that it can rotate free inside the container when no product therein. In this situation, the microswitch inside the box supplies a given signal to the output circuit. When the product to be controlled reaches the level of the rotating blade inside the container, this blade is permanently stopped, making the microswitch position to change over and reversing the signal from the output circuit.
When the rotating blade it is free of product, it beguin to rotate, reversing again the signal in the output circuit.

Diagonal blade: Stainless steel
Rotation speed : 5 r.p.m.
Admissible pressure: -0,05 a / to + 0.05bar
Admissible temperature: -20 C a / to +60 C
Contactos del microrruptor / Microswitch contacts: 6 A, 250 V ~, cos j = 1
Alimentación / Power supply: 230 V~ ± 10%, 50 / 60 Hz
Consumo / Power consumption: 3 VA
Sección máx. cables / Max. cable size: 2,5 mm2
Entrada de cables / Thread for cable inlet: 2 de / of PG 11
Material caja / Housing: ABS con fibra de vidrio / ABS with fibreglass
Grado de protección / Weather protection: IP 51
Peso / Weigh: 0,700 Kg

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LEVEL SWITCHES (SOLID) VIBRATING FORK

No moving parts
Self-cleaning for most media
High immunity against vibrations
Stainless steel, PFA coated probes
Solid rod extension up to 3 m
Various output configurations
Selectable density
High or low fail-safe mode
Plastic, aluminium or stainless steel housing
Explosion - proof models

Most liquids with max. 10,000 mm2/s viscosity
Corrosive, thick, turbulent, flowing liquids
Powders and light granules with min. density 0.05 kg/dm3

Housing: Aluminum, weather proof
Ambient temperature: 0 ° C to +60° C
Power supply: 18 to 30 V DC/ 65 to 265 V AC
Output: PNP/NPN or Relay
Process connection: Screwed Or Flanged
Length: 200mm (std) upto 3000 mm
Sensing Fork: Stainless steel
Operating: 150 deg C(200 deg C on request)

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LEVEL SWITCHES (SOLID) BOOT LEVEL SWITCH

No moving parts
Self-cleaning for most media
Stainless steel vibrating section
Solid rod or flexible cable extension up to 20 m
Plastic or aluminium housing
Explosion-proof models
Selectable density
High or low fail-safe mode
Selectable switching delay

Almost any granular material and powder with min. 0.05 kg/dm3 bulk density
Grain, flour, plastic granules, cement, fly ash, etc

Normal sensitivity: 100 gm / 500 gm
Diaphragm Membrane material: Nitrial Rubber / SS ax. work
ambient temperature: 60 Deg Micro switch
contacts: 15 Amp, 230 V AC, Potential free
Cable Gland: PG 11
Housing: Cast Al
Protection: IP 40

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LEVEL SWITCHES (SOLID) HIGH FREQUENCY

Reliable limit level sensing of wide-range of fluids, mashed and paste-like materials
Resistant to adhesion of viscous and sticky media
Suitable for ketchup, yoghurt, spreads, syrups, creams, pastes, alkalis, etc.
Replacement of vibration level sensors
Unique function for media recognition "Medium window"
Direct mounting into tanks, vessels, sumps, pipes or funnels and containers
Settings by the magnetic pen

Supply: 7 --- 34V DC
Power Consumption : Max. 5mA DC
Max. switching current (NPN PNP output): 300mA
Protection: IP67/68
Cable: PVC 3 X0.5mm2
Housing / End of Sensor: SS316L/SS304
Electrode Coating: PEEK
Temperature: -40º to +105ºC

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LEVEL SWITCHES (LIQUID) CABLE FLOAT

Low cost polypropylene level switch
Hermetically moulded, double chamber
Mercury free operated micro switch
Direct pump control up to 1.1 kW
Adjustable switch differential
Low specific weight of the floating body

Level switch from drinking water to sewage
Pump protection in small pipes
Fail-safe indication and pump control

Switch rating: 250V AC, 15 A
Operating Temperature: 0°C to 50°C
Pressure: max. 1 bar
Protection: IP 68
Housing: Polipropileneatossico (PP)Non-toxic polypropylene (PP)
Standard Cable Length: 5m/10m.

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LEVEL SWITCHES (LIQUID) CONDUCTIVITY

Low cost level switch
Limit switch or differential switch versions
High or low fail-safe mode
Plastic or stainless steel process connections
Compact unit with two independent relays
Separate probe and relay unit
Rod probes up to 3 m
Adjustable sensitivity and switching delay

Conductive liquids with min. 1x10-5 S/cm conductivity
Fail-safe indication and pump control
Chemical and water industry

Switch rating: 250V AC, 16 A
Power supply (unit): 24, 110, 230V AC, 24 V DC
Temperature: -20 °C to +55 °C
Medium Temperature: up to 200 °C
Pressure: max. 16 bar
Process Connection: 3/8", 1½"
Protection: IP 20, IP 65, IP 67

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LEVEL SWITCHES (LIQUID) MINI LEVEL

Compact, Simple and easy to Install.
Withstand to chemical, high pressure and temperatures.
Best for clean, non-coating, scaling type liquids including process water, acid and chemical solutions.

Water or milk dispensing in coffee machines.
Water and detergent level sensing in washing machines and dish washers.
Door closure sensors for all types of appliances.
Water tank control.
Dish washer spray arm jam detection.
Rice cooker heated control.
Instant water heaters.
Electric tooth brushes.
Over current prevention in food processors.
Temperature control in air conditioners, coolers, heaters, deep freezers and aquariums
washing machine vibration detection.
Sewing machine pedals.

Material ABS/PVDF/SUS304/316/PPS
Power Rating (Max.) 10W/70W
Switching Currrent (Max.) 0.5/1.5 Amp DC
Switching Voltage (Max.) 200/300 VDC
Breakdown Voltage 300VDC
Operating Temperature :-30 to 130ºC

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LEVEL SWITCHES (LIQUID) HORIZONTAL FLOAT

Operation without power supply
Micro-switch separated from process
All wetted parts stainless steel
Side or top mounting
Fixed or adjustable switch differential
Submersible versions
Various process connections
Operational check via optional tester
Explosion-proof models
Marine approvals

Liquids with min. 0.7 kg/dm3 density
Fail-safe and control level switches in closed tanks
Power stations, chemical, petrochemical and pharmaceutical industry
Balance tanks on ships

Switch rating: 250 V AC, 10 A
Ambient temperature: -20ºC to +80ºC
Medium temperature: up to +250ºC
Pressure: max. 25 bar
Process connection: square and standard flanges, 2'' thread
Protection: IP 65, IP 68
Approvals: II 1/2 G EEx dme IIC T6...T2 (TÜV) Germanische Lloyd, Norske Veritas DNV

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LEVEL SWITCHES (LIQUID) VERTICAL FLOAT

Operation without power supply
Reed switches separated from process
Wetted parts stainless steel or plastic
Up to 5 switch points
Various process connections
Explosion-proof models

Liquids with min. 0.7 kg/dm3 density
Multi-point level switch in closed tanks
Chemicals with dense vapour or gas layer above the surface
Foaming liquids

Switch Rating : 250 V AC, 3A / reed relay, max. 9A
Ambient Temperature: -20 °C to 95°C
Medium Temperature: -20 °C to 150°C
Pressure: max. 25 bar
Process connection: 1", 2" or flanges
Protection: IP 65
Approvals: II 2 G EEx d IIC T3...T6 (TÜV)

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LEVEL SWITCHES (LIQUID) VIBRATING FORK

No moving parts
Self-cleaning for most media
High immunity against vibrations
Stainless steel, PFA coated probes
Solid rod extension up to 3 m
Various output configurations
Selectable density
High or low fail-safe mode
Plastic, aluminium or stainless steel housing
Explosion - proof models

Most liquids with max. 10,000 mm2/s viscosity
Corrosive, thick, turbulent, flowing liquids
Powders and light granules with min. density 0.05 kg/dm3

Housing: Aluminum, weather proof
Ambient temperature: 0 ° C to +60° C
Power supply: 18 to 30 V DC/ 65 to 265 V AC
Output: PNP/NPN or Relay
Process connection: Screwed Or Flanged
Length: 200mm (std) upto 3000 mm
Sensing Fork: Stainless steel
Operating: 150 deg C(200 deg C on request)

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