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Normally Open (NO) Liquid Level Switches Datasheets


Hydrocarbon Float Sensor -- 9830-HCF
from Arjay Engineering Ltd.

Over 30 years of Arjay's field proven HF capacitance technology has been applied to the 9830-HCF Oil Monitor. The unique floating sensor continuously monitors for the accumulation of oil at the water surface.[See More]

  • Measuring Range: 0.2500 to ? inch
  • Construction: Electro-mechanical switch; Solid-state switch 
  • Repeatability: 0.2000 +/-inch
  • Configuration: Normally Open (NO); Normally Closed (NC) 
View Datasheet
CL-10DJI Level Switch -- CL-10 DJI
from Automation Products, Inc.

The Type CL-10DJI Dynatrol® Interface Level Detector has the unique ability to detect the interface: Between a liquid and a settled bed of solids. Between a liquid and a floating bed of solids. Between liquid phases of significantly different viscosities. Advantages Versatile:...[See More]

  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Double Throw (SPDT) 
  • Configuration: Normally Open (NO); Normally Closed (NC) 
  • Maximum Current: 2.00 amps
Similar parts from Automation Products, Inc.
CL-10RH Level Switch -- CL-10 RH
View Datasheet
Level Detection -- BCS M12T4G1-NSM80G-EP02
from Balluff, Inc.

Balluff level detection sensors use non-shielded housing designs to guarantee unprecedented reliability and accuracy for point-level detection of liquids, powders, and bulk materials. These sensors are available in different housing styles and materials to assure application compatibility,...[See More]

  • Construction: Electro-mechanical switch 
  • Mounting: Side mount 
  • Configuration: Normally Open (NO) 
  • Technology: Capacitive/RF Admittance 
View Datasheet
C001 Conductivity Based Level Switch -- C001
from Clark Solutions

Conductivity liquid-level controls are designed for use in electrically conductive liquids. When the liquid contacts the tip of the probes they act as a switch closure and can be used for pump or solenoid control, high and low alarm contacts or heater protection.[See More]

  • Construction: Solid-state switch 
  • Pole & Throw: Single Pole, Single Throw (SPST) 
  • Configuration: Normally Open (NO) 
  • Maximum  Pressure: 250 psi
View Datasheet
Boiler Water Level Control Series 123 -- 123-153
from Dwyer Instruments Inc.
Cast iron chamber, for H2O, boiler applications, direct linkage
  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Double Throw (SPDT) 
  • Configuration: Normally Open (NO); Normally Closed (NC) 
  • Maximum Current: 4.00 amps
View Datasheet
Miniature Switch -- 200010
from elobau sensor technology, Inc.
Available in PVC, PP and PVDF materials
  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Single Throw (SPST) 
  • Configuration: Normally Open (NO) 
  • Maximum Current: 0.5000 amps
View Datasheet
Liquipoint T -- FTW31
from Endress+Hauser, Inc.
No calibration required, switching specs dependant on power supply
  • Measuring Range: 157 to 591 inch
  • Configuration: Normally Open (NO) 
  • Construction: Solid-state switch 
  • Pole & Throw: Single Pole, Single Throw (SPST) 
Similar parts from Endress+Hauser, Inc.
Liquipoint T -- FTW32
View Datasheet
RF-1002G -- FD1002G
from FineTek

When the magnetic field of permanent magnet inside the float is moved into to the proximity of the reed switch inside the stationary stem, the reed switch "snaps" the contact together and closes the electrical circuit. When the magnetic field is moved away from the reed switch, the reed switch does...[See More]

  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Double Throw (SPDT) 
  • Configuration: Normally Open (NO) 
  • Maximum Current: 3.00 amps
View Datasheet
ExOsense™ Liquid Level Sensor
from Gems Sensors & Controls

The new ExOsense is the first and only affordable, non-intrusive liquid level sensor for plastic fluid containers. ExOsense sensors adhere to the outside of plastic bottles and are unaffected by the color or transparency of the plastic. Liquids inside the bottle are untouched, so with ExOsense there...[See More]

  • Repeatability: 0.0390 +/-inch
  • Configuration: Normally Open (NO); Normally Closed (NC) 
  • Construction: Solid-state switch 
  • Maximum Current: 0.0500 amps
View Datasheet
POS -- POS187311
from Honeywell Sensing and Control

POS Series optical liquid level sensor...[See More]

  • Construction: Solid-state switch 
  • Maximum Current: 0.2000 amps
  • Configuration: Normally Open (NO) 
  • Technology: Optical 
Similar parts from Honeywell Sensing and Control
POS -- POS187313 , POS -- POS287311 , POS -- POS287313
View Datasheet
Float Level Switch -- MS-10
from K-TEK

Electrical contacts are magnetically isolated from process...[See More]

  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Double Throw (SPDT) 
  • Configuration: Normally Open (NO); Normally Closed (NC) 
  • Maximum Current: 1.00 amps
View Datasheet
Compact Conductive Level Switch -- NEK Series
from KOBOLD Instruments, Inc.

The NEK series compact conductive level switch is an excellent choice for monitoring the level of conductive liquids in tanks. The NEK series conductive level switch senses liquid level by applying a low AC voltage to a set of stainless steel electrodes.[See More]

  • Construction: Solid-state switch 
  • Pole & Throw: Single Pole, Single Throw (SPST) (optional feature) 
  • Configuration: Normally Open (NO) 
  • Maximum Current: 1.00 amps
View Datasheet
LLHP Series Optical Switch -- OPT4299-1
from Madison Company

The OPT4299-1 standard high-performance LLHP series optical switch is constructed with a polysulfone housing and is mounted from the outside of the tank. All LLHP style sensors have enhanced electronic capability to switch at higher power or to operate at higher temperatures. The mounting is a...[See More]

  • Construction: Electro-mechanical switch 
  • Maximum DC Voltage: 40.00 volts
  • Configuration: Normally Open (NO) 
  • Switch Points: 1.00 #
View Datasheet
NIVOMAG -- MKA-21
from Nivelco USA

FEATURES :: 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...[See More]

  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Double Throw (SPDT) 
  • Configuration: Normally Open (NO); Normally Closed (NC) 
  • Maximum Current: 10.00 amps
View Datasheet
Pneumatic Float Valve -- OKC-2250-1
from O'Keefe Controls Co.
Stainless steel float, brass body, magnetic float valve, controls air
  • Configuration: Normally Open (NO) 
  • Switch Points: 1.00 #
  • Maximum  Pressure: 350 psi
  • Mounting: Side mount 
View Datasheet
Float Switch -- Model RF-1001G
from Orange Research, Inc.
Compact and low cost, withstands harsh chemicals
  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Double Throw (SPDT) 
  • Configuration: Normally Open (NO) 
  • Maximum Current: 2.00 amps
View Datasheet
Capacitive Level Switch -- CLW
from Sensortechnics, Inc.
Contact-free measurement
  • Measuring Range: 0.0 to 1.00 inch
  • Configuration: Normally Open (NO); Normally Closed (NC) 
  • Construction: Solid-state switch 
  • Maximum AC Voltage: 5.00 volts
View Datasheet
Dual Point Ultrasonic Switch - Self Test -- 722K3-N-P6-C
from SOR Inc.
Integral aluminum electrical housing, dual point, self test, pump control
  • Repeatability: 0.0780 +/-inch
  • Configuration: Normally Open (NO) 
  • Construction: Solid-state switch 
  • Pole & Throw: Double Pole, Double Throw (DPDT) 
View Datasheet
Alternating Controller -- Model 2611
from Time Mark Corporation

Model 2611 Alternating Controllers are microprocessor-based designs for use where two loads are required to alternate for equal run time. LED indicators show status of the units three contact switch inputs and two load outputs. The controllers lead select switch allows loads to alternate normally in...[See More]

  • Construction: Solid-state switch 
  • Pole & Throw: Single Pole, Double Throw (SPDT) 
  • Configuration: Normally Open (NO) 
  • Maximum Current: 0.0500 amps
View Datasheet
Float Switch
from Uehling Instrument Company

Float switches are used to trip high/low level alarms, engage relays, control or start/stop pumps, open/close valves etc. They are a simple, inexpensive way to provide independent or redundant setpoints for emergency shut-down or backup.[See More]

  • Repeatability: 0.0300 +/-inch
  • Configuration: Normally Open (NO); Normally Closed (NC) 
  • Construction: Electro-mechanical switch 
  • Pole & Throw: Single Pole, Single Throw (SPST); Single Pole, Double Throw (SPDT) (optional feature) 
View Datasheet
Point Level Switch -- 190964-3
from Walchem Corporation

Walchem’s polypropylene tank level switches work well in chemicals that are clean and non-coating or scaling. Polypropylene should be compatible with nearly all water treatment chemicals. The reed switch output provides a reliable input to our WebMaster series controllers. These level...[See More]

  • Measuring Range: 0.0 to 36.00 inch
  • Construction: Electro-mechanical switch 
  • Repeatability: 0.0787 +/-inch
  • Configuration: Normally Open (NO) 
Similar parts from Walchem Corporation
Point Level Switch -- 190964-5
View Datasheet