ATMI

ATMI is a float and tilt level switch specialist for liquids and solids. They are the world's only one-level control company for solids and liquids, offering 20 different types of float-level switches in 50 different combinations.

If you are looking for a float level switch to conduct all types of automated liquid level control (automation) for pumps of different powers and others, ATMI can help. Float level switches, level switches, level regulators, and level detectors are various devices that ATMI has produced for over 40 years.

ATMI offers float level switches for liquids and solids to suit your requirements for control in pumping stations of various sizes, residential or industrial cisterns, level monitoring in industrial tanks with restricted access, and even explosive-hazard applications.

Furthermore, we are happy to inform you that for more than 15 years, ATMI tilt level switches have been a tremendous success in France and internationally. Whether you're a manufacturer, an installer, a sales engineer/technician, a project manager, a distributor, or an end-user, ATMI has what you're looking for.



  • Omni Directional Operation
  • Switching angle+/- 25º
  • Maximum pressure 3.5 bar
  • Allowed Fluid Density 0.70 to 1.15
  • 16A resistive - 6A inductive
  • 5, 6, 10, 13, 15, 20 and 25 m Options
  • Allowed fluid densities: 0,75 à 1,50 g/cm³
  • Electric characteristics: 250 VCA - 50/60 Hz
  • Cut-out power: 12 (6) A
  • Maximum pressure: 5,5 bars
  • Maximum temperature: 85 °C
  • Protection index IP 68
  • Housing: Copolymer polypropylene
  • Type of cable: Neoprene
  • Float weight without cable: 60 g
  • Tilting Operation
  • Switching angle+/- 10º
  • Temperature -20º to 70ºC
  • Bulk Solids High Level Measurement
  • 10A resistive - 4A inductive
  • 5, 10, 15, 20, 25 and 30m Options
  • Tilting Operation
  • Switching angle+/- 10º
  • Temperature -40º to 85ºC
  • Bulk Solids High Level Measurement
  • 20A resistive - 8A inductive
  • 5, 6, 13, 15, 20 and 30m Options
  • Omni Directional Operation
  • Switching angle+/- 20º
  • Maximum pressure 5.5 bar
  • Allowed Fluid Density 0.70 to 1.15
  • 12A resistive - 6A inductive
  • 2, 3, 5, 10 and 20m Options
  • Switching angle: +/- 10°
  • Allowed fluid density: 0,95 to 1,05
  • Power supply: 12, 24, 48 VAC /VCC - 250 VAC /VCC 50/60 Hz
  • Cut out power: 16 (6) A (16 A resistive; 6 A inductive)
  • Maximum pressure: 3,5 bars
  • Allowed temperature: 85 °C
  • 2 channels – 2 outputs
  • Cable error detection
  • Up to SIL 3 in accordance with CEI 61508
  • Input from area 0 (Area 20), safe in installation or in Area 2.
  • Galvanic isolation of 3 ports of the circuit, input, outputm, power
  • Installation on a DIN rail, with or without Power Bus.
  • Power supply 24 Vdc (18 to 30 Vdc)
  • Important specification: Avoids the deterioration of the cable
  • Maximum temperature: 85°C
  • Housing: Polyamide
  • Weight: 25 g
  • Allowed fluid density: 0,75 à 1,50 g/cm³
  • Cut-out power: Max. 1 A, 60 VA
  • Maximum pressure: 1 bars
  • Maximum temperature: 150 °C
  • Protection index: IP 68
  • Housing: PTFE
  • Type of cable: FEP
  • Float weight without cable: 80 g
  • Allowed fluid density: 0,75 à 1,50 g/cm³
  • Electric characteristics: 230 VCA - MAX 60 VA
  • Cut-out power: 6 (4) A Maximum pressure: 2 bars
  • Maximum temperature: 125 °C
  • Protection index: IP 68
  • Housing: PVDF Type of cable: PTFE 3 x 0,22 mm²
  • Float weight without cable: 90 g
  • Switching angle: +/-165°
  • Allowed fluid density: 0,70 to 1,10
  • Maximum pressure: 3,5 bars
  • Allowed temperature: 85 °C
  • Protection index: IP 68
  • Housing material: Copolymer Polypropylene
  • Weight: 325 g
  • Allowed fluid densities: 0,80 à 1,10 g/cm³
  • Electric characteristics: 250 VCA /VCC 50/60 Hz
  • Cut-out power: 20 (8) A
  • Maximum pressure: 4 bars
  • Maximum temperature: 90 °C
  • Protection index: IP 68
  • Housing: Copolymer polypropylene + HR HY
  • Type of cable: HR HY
  • Float weight without cable: 295 g
  • Switching angle: +/-120°
  • Allowed fluid density: 0,70 to 1,15
  • Maximum pressure: 3,5 bars
  • Allowed temperature: 85 °C
  • Protection index: IP 68
  • Housing material: Copolymer
  • Polypropylene Weight: 195 g
  • Switching angle: +/-100°
  • Allowed fluid density: 0,70 to 1,15
  • Power supply: 250 VAC/VDC 50/60 Hz
  • Maximum pressure: 3,5 bars
  • Allowed temperature: 70 °C
  • Protection index: IP 68
  • Weight: 105 g
  • Allowed fluid densities: 0,95 à 1,05 g/cm
  • Cut-out power: 16 (6) A
  • Maximum pressure: 3,5 bars
  • Maximum temperature: 70 °C
  • Protection index: IP 68
  • Housing: Copolymer polypropylene
  • Type of cable: PVC 3 x 0,75 mm²
  • Float weight without cable: 400 g
  • Allowed fluid densities: 0,95 à 1,05 g/cm³
  • Electric characteristics: 250 VCA 50/60 Hz
  • Cut-out power: 10 (4) A
  • Maximum pressure: 2 bars
  • Maximum temperature: 70 °C
  • Protection index: IP 68
  • Housing: Copolymer polypropylene
  • Type of cable: PVC 3 x 0,75 mm²
  • Float weight without cable: 775 g
  • Supply voltage: 220 V
  • Sensitivity: Average of 0 to 10 KOhm
  • Operating temperature: - 10 à + 55°C
  • Number of probes max.: 7 Response time: 100 ms
  • Electrical charge on contacts:  5A-240 V
  • Power consumption:   10 VA
  • Probe voltages: 24 VA
  • Probe weight: 45 g
  • Dimenssion:72 x 90 X 60 mm
  • Supply voltage: 220 V
  • Sensitivity: Modulable up to 100 KOhm
  • Operating temperature: - 10 à + 55°C
  • Number of probes max.: 3
  • Response time: 100 ms
  • Electrical charge on contacts: 5A-240V
  • Supply voltage: 220 V
  • Sensitivity: High up to 70 KOhm
  • Operating temperature: - 10 à + 55°C
  • Number of probes max.: 3
  • Response time: 100 ms
  • Electrical charge on contacts:  5A-240V
  • Supply voltage: 220 V
  • Sensitivity: Normal 0 to 5.6 KOhm
  • Operating temperature: - 10 à + 55°C
  • Number of probes max.: 3
  • Response time: 100 ms
  • Electrical charge on contacts: 5A-240 V
  • Power consumption:3 VA Probe voltages: 10V
  • Probe weight: 45 g
  • Dimenssion:53 x 95 X 58 mm
  • Temperature compensation: 0 ... + 40°C
  • Output signal: 4/20mA
  • Electric characteristics: 8 - 36 VDC
  • Hystérésis: 0,05%
  • Type of cable: PU
  • Output signal: 4/20mA
  • Electric characteristics: 8 - 36 VDC
  • Hystérésis: 0,05%
  • Type of cable: PU
  • Switching angle: 165°
  • For heavily agitated liquids
  • Polypropylene casing
  • EPDM cable
  • Power supply: 50 ... 400 V
  • Switching power: 20(8)A
  • Stainless steel ballast - 230 gr
  • Dimensions: 152 mm - Ø 95 mm
  • Switching angle: 25°
  • For lightly agitated liquids
  • Polypropylene casing
  • EPDM cable
  • Power supply: 12 ... 250 V
  • Switching power: 16(6)A
  • Stainless steel ballast - 230 gr
  • Dimensions: 170 mm - Ø 80 mm
  • Switching angle: 10°
  • For non agitated liquids
  • Polypropylene casing
  • EPDM cable
  • Power supply: 12 ... 250 V
  • Switching power: 16(6)A
  • Ballast integrated in the float
  • Dimensions: 140 mm - Ø 70 mm
  • Omni Directional Operation
  • Switching angle+/- 110º
  • Maximum pressure 3.5 bar
  • Allowed Fluid Density 0.70 to 1.15
  • 20A resistive - 8A inductive
  • 1, 3, 5, 10 and 20m Options
  • Operation mode: by rotation
  • Measuring blade speed: 1rpm
  • Cut-out power: 15 A
  • Maximum temperature: -20 - + 70°C
  • Protection index: IP 65 -
  • Body: Aluminium
  • Float weight without cable: 2,5 kg
  • Operation mode: By push
  • Electric characteristics: 250 VCA 50/60 Hz
  • Cut-out power: 16 A
  • Maximum Temperature: -10 - + 60°C
  • Protection index: IP 40 - 53
  • Membrane: NBR
  • Body: ABS
  • Float weight without cable: 200 g
  • Operation mode: By tilting
  • Electric characteristics: 240 VCA 50/60 Hz
  • Protection index: IP 68
  • Housing: Cast aluminium
  • Float weight without cable: 2495 g
  • Operation mode: By tilting
  • Electric characteristics: 250 VCA 50/60 Hz
  • Cut-out power: 20 (8) A
  • Maximum temperature: 85 °C
  • Protection index: IP 68
  • Housing: Copolymer polypropylene
  • Operation mode: By tilting
  • Electric characteristics: 240 VCA 50/60 Hz
  • Cut-out power: See SOLIBA or SOLIBA EX P
  • Maximum temperature: See SOLIBA or SOLIBA EX P
  • Protection index: IP 68
  • Housing: Cast aluminium
  • Type of cable: Neoprene ou HR HY 3X1 mm²
  • Operation mode: By tilting
  • Important specification: Allows for the detection for very light products
  • Housing material: Stainless steel food 18/10
  • Tilt weight without device: 300 g
  • Operation mode: by rotation
  • Important specification: ATEX Only in non ATEX area
  • Measuring blade speed: 5 rpm
  • Electric characteristics: 230 VCA 50/60 Hz Option :24VCA/VDC
  • Cut-out power: 2A
  • Maximum temperature: -20 - + 60°C
  • Protection index: IP 65 - 53
  • Vanes: Inoxidable AISI 304 o 316
  • Body: Glass fiber reinforced ABS
  • Float weight without cable: 800 g
  • Allowed fluid densities: 0,70 à 1,15 g/cm³
  • Electric characteristics: 12,24,48 VCA /VCC - 250 VCA - 50/60 Hz
  • Cut-out power: 16 (6) A Maximum pressure: 3,5 bars
  • Maximum temperature: 85 °C
  • Protection index: IP 68
  • Omni Directional Operation
  • Switching angle+/- 25º
  • Maximum pressure 4 bar
  • Allowed Fluid Density 0.70 to 1.15
  • 16A resistive - 6A inductive
  • 5, 10, 13, 15, 20, 25 and 30m Options
  • Aggressive liquids : acids, solvents, corrosive liquids, hydrocarbons, sea water, etc.
  • Level control of multiple pumps
  • Emptying / Filling function
  • Overflow or dry-running protection
  • High / low level alarm
  • Clear, clean liquids, rain water
  • Wastewater, sewage water, charged liquids
  • Slightly aggressive liquids (oils, mud, paint, etc.) and more aggressive liquids if equipped with a HR HY cable
  • Level control of multiple pumps
  • Overflow or dry-running protection
  • High / low level alarm