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Normally Open (NO) Level Switches Datasheets


Dry Pump Monitor -- 9830-DPM
from Arjay Engineering Ltd.

Over 30 years of Arjay's field proven HF capacitance technology has been applied to the 9820/9830-DPM pipe monitor. The unique in-line sensor continuously monitors for the change from a wet to dry condition or a liquid change from one dielectric to anothe...[See More]

  • Media Type: Liquid 
  • Repeatability (Point Level): 0.2000 +/-inch
  • Measuring Range: 0.1000 to ? inch
  • Accuracy (Continuous Level): 0.2000 +/-inch
View Datasheet
CL-10DJ Level Switch -- CL-10 DJ
from Automation Products, Inc.

The Type CL-10DJ Dynatrol® Level Switch is designed for application to either high or low point level detection of bulk solids. Reliable operation can be achieved with this level control in problem applications where other types of controls may fail to operate at all. Versatile: This control...[See More]

  • Media Type: Dry material (Bulk solids and powders) 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
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]

  • Media Type: Liquid; Dry material (Bulk solids and powders) 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Electro-mechanical switch 
  • Mounting Options: Side mount 
View Datasheet
U-GAGE™ Q45UR Series -- Q45UR3BA63CK
from Banner Engineering Corp.

Piezoelectric Proximity Mode Sensors with Push-Button or Remote Programming of Sensing Windows...[See More]

  • Media Type: Liquid; Dry material (Bulk solids and powders) 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Measuring Range: 1.97 to 9.84 inch
  • Pole and Throw Specifications: Other Type (Special Application) 
View Datasheet
Level Sensors Optical -- VP 01 EM
from CARLO GAVAZZI Automation Components
No electrical or thermal connection between liquid and electrical circuit
  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Solid-state switch 
  • Pole and Throw Specifications: Single Pole, Single Throw (SPST) 
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]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Solid-state switch 
  • Pole and Throw Specifications: Single Pole, Single Throw (SPST) 
View Datasheet
Boiler Water Level Control Series 123 -- 123-153
from Dwyer Instruments Inc.
Cast iron chamber, for H2O, boiler applications, direct linkage
  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
View Datasheet
Miniature Switch -- 200010
from elobau sensor technology, Inc.
Available in PVC, PP and PVDF materials
  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Single Throw (SPST) 
View Datasheet
Liquipoint T -- FTW31
from Endress+Hauser, Inc.
No calibration required, switching specs dependant on power supply
  • Media Type: Liquid 
  • Switch Type: Solid-state switch 
  • Measuring Range: 157 to 591 inch
  • Configuration (Normal State): Normally Open (NO) 
Similar parts from Endress+Hauser, Inc.
Liquipoint T -- FTW32 , Nivotester -- FTC625 , Nivotester -- FTR325
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]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
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]

  • Media Type: Liquid 
  • Accuracy (Continuous Level): 0.0630 +/-inch
  • Repeatability (Point Level): 0.0390 +/-inch
  • Switch Type: Solid-state switch 
View Datasheet
POS -- POS187311
from Honeywell Sensing and Control

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

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Solid-state switch 
  • Max Current Rating: 0.2000 amps
Similar parts from Honeywell Sensing and Control
POS -- POS187313 , POS -- POS287311 , POS -- POS287313
View Datasheet
Float Level Switch
from K-TEK

Trip points adjustable without removing vessel from service...[See More]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
View Datasheet
Bypass Level Gauge -- NBK Series
from KOBOLD Instruments, Inc.

KOBOLD bypass level gauges are used in applications requiring continuous measurement, indication and control of liquid levels. Any medium with viscosity less than 200 cPs is a candidate. KOBOLD's bypass design relies on the hydrostatic pressure principle...[See More]

  • Media Type: Liquid 
  • Accuracy (Continuous Level): 0.4000 +/-inch
  • Measuring Range: ? to 236 inch
  • Switch Type: Electro-mechanical switch 
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]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Electro-mechanical switch 
  • Max DC Voltage Rating: 40.00 volts
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]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
View Datasheet
Pneumatic Float Valve -- OKC-2250-1
from O'Keefe Controls Co.
Stainless steel float, brass body, magnetic float valve, controls air
  • Media Type: Liquid 
  • Maximum Operating Pressure: 350 psi
  • Configuration (Normal State): Normally Open (NO) 
  • Mounting Options: Side mount 
View Datasheet
Float Switch -- Model RF-1001G
from Orange Research, Inc.
Compact and low cost, withstands harsh chemicals
  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Electro-mechanical switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
View Datasheet
Optical Liquid Level Switch -- OLM01T...
from Sensortechnics, Inc.
TTL compatible version, 10 mA output current, SS-housing
  • Media Type: Liquid 
  • Switch Type: Solid-state switch 
  • Repeatability (Point Level): 0.0400 +/-inch
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
View Datasheet
Capacitive Level Sensor -- SC 120 + CN200
from SITRON

The SC120 probe controls and measures level along with the CN200 level transducer. This set is also a RF capacitance transmitter system for measurement of level in a variety of products. The SC120 probe sends an mV signal to the CN200 transducer, which converts the (mV) signal into a 4-20mA signal.[See More]

  • Media Type: Liquid; Dry material (Bulk solids and powders) 
  • Accuracy (Continuous Level): 0.0500 +/-inch
  • Measuring Range: 20.00 to 79.00 inch
  • Switch Type: Electro-mechanical switch 
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
  • Media Type: Liquid 
  • Switch Type: Solid-state switch 
  • Repeatability (Point Level): 0.0780 +/-inch
  • Configuration (Normal State): Normally Open (NO) 
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]

  • Media Type: Liquid 
  • Configuration (Normal State): Normally Open (NO) 
  • Switch Type: Solid-state switch 
  • Pole and Throw Specifications: Single Pole, Double Throw (SPDT) 
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]

  • Media Type: Liquid 
  • Switch Type: Electro-mechanical switch 
  • Repeatability (Point Level): 0.0300 +/-inch
  • Configuration (Normal State): Normally Open (NO); Normally Closed (NC) 
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]

  • Media Type: Liquid 
  • Repeatability (Point Level): 0.0787 +/-inch
  • Measuring Range: 0.0 to 36.00 inch
  • Accuracy (Continuous Level): 0.1969 +/-inch
Similar parts from Walchem Corporation
Point Level Switch -- 190964-5
View Datasheet