Float (multi point) Level Switches

Gems Sensors LS-800 & LS-800E multi-point level switch

• Rugged metallic units ideal for larger tanks up to 3.4m (11 feet) or more.
  • Models available with marine agency approvals, suitable for Navy applications
• As with all Gems products, these are highly customisable to suit OEM requirements
  • Includes length, fitting, number of switch points, wetted materials & the inclusion of temperature sensors.
• Wetted materials: brass, 316SS or Buna-N - others possible on request
• Mounting: flange or threaded (NPT or G type BSPP for LS-800E)
• Output:
  • Level: SPST (20 / 100VA) or SPDT (20VA) reed switches
    • Up to 6 switch actuation points / levels
  • Temperature: thermistor RTD (TM-800 models) or thermostat (TH-800 models)
• S.G.: choice of floats for specific gravities >0.55
• Temperature: from 82 » 149°C - depending on materials
• Pressure: up to 750PSI (51 bar) - depending on materials
• Length: up to 3.4m or more
• Electrical connection: cables, lead wires or junction boxes

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Gems Sensors LS-800PVC & LS-800E-PVC multi-point level switch

• Rugged plastic units ideal for chemical storage or potable water tanks.
  • Models available with NSF Approval
• As with all Gems products, these are highly customisable to suit OEM requirements
  • Includes length, fitting & number of switch points
• Wetted materials: Buna-N or all PVC-U engineered plastic
• Mounting: flange or threaded
• Output: SPST (20 / 100VA) or SPDT (20VA) reed switches
  • Up to 7 switch actuation points / levels
• S.G.: choice of floats for specific gravities >0.8
• Temperature: up to 51°C
• Pressure: atmospheric - not recommended for pressurised applicaitons
• Length: up to 1.5m (60") - longer on special request
• Electrical connection: cables, lead wires or junction boxes

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Gems Sensors LS-700 multi-point level switch

• Compact, rugged metallic units ideal for tanks less than 1.2m (4 feet).
• As with all Gems products, these are highly customisable to suit OEM requirements
  • Includes length, fitting, number of switch points, wetted materials & the inclusion of temperature sensors.
• Wetted materials: brass, 316SS, Buna-N, PTFE or polypropylene (PP) - others possible on request
• Mounting: flange or threaded
• Output:
  • Level: SPST reed switch with a choice of ratings (20 / 100VA)
    • Up to 5 switch actuation points / levels
  • Temperature: thermistor RTD (TM-700 models) or thermostat (TH-700 models)
• S.G.: choice of floats for specific gravities >0.45
• Temperature: from 82 » 149°C - depending on materials
• Pressure: up to 1000PSI (68 bar) - depending on materials
• Length: up to 1.2m
• Electrical connection: cables, lead wires or junction boxes

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Gems Sensors LS-350 multi-point level switch with built-in siphon / fill tube

• Great for automated medical, chemical dosing or sampling equipment the custom built LS-350 multi-point level switch saves space and cost by including both level sensing & fluid removal / addition capacity via a single opening in a fluid container
  • Perfect for re-use in replacement containers without the need for re-wiring or time consuming re-installation / calibration
• As with all Gems products, these are highly customisable to suit OEM requirements
  • Includes length, fitting, hose barb, number of switch points & wetted materials
  • Even available with safety switch output to ensure correct installation (safety latching of equipment) to avoid spills
• Wetted materials: Buna-N, Noryl or polysulfone (PSU) - others possible on request
• Mounting: flange or plug (top or bottom mounted)
• Output: SPST reed switch with a choice of ratings
  • Up to 6 switch actuation points / levels
• S.G.: choice of floats for specific gravities >0.75
• Temperature: 99°C or more (depending on materials)
• Pressure: atmospheric - not recommended for pressurised applicaitons
• Length: up to 380mm standard, longer on request
• Fluid barb: compatible with 3/16" I.D. hose (standard)
• Electrical connection: cables or lead wires

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