Level Monitoring Sensors -- FFAK 17NTD1001/L
from Baumer Ltd.

Most ultrasonic sensors are based on the principle of measuring the propagation time of sound in the air. Ultrasonic frequencies outside the range of human hearing are emitted by the sensor. Sonic energy reflected by an object or target is picked up by the sensor ’s receiver. The highly... [See More]

  • Technology: Optical
  • Maximum Current: 0.2000
  • Construction: Solid-state switch
  • Maximum DC Voltage: 30
LLE Series Liquid Level Sensor with Nickel-plated brass housing, 1/2 inch BSPT and polysulphone sensor; Standard; Type 5; -25 °C to 80 °C; 180 mm lead wires and sleeving -- LLE205000 [LLE205000 from Honeywell Sensing and Control]
from Carlton-Bates Company

The LLE series of enhanced liquid level sensor uses a photo-transistor trigger which provides a digital output that denotes the presence or absence of liquid. This series incorporates reverse polarity, over voltage, short circuit and transient protection. [See More]

  • Technology: Optical
  • Construction: Solid-state switch
  • Repeatability: 0.0394
  • Configuration: Normally Closed (NC)
Optical Level Switch -- OPT-A2
from Comus International

Our new range of optical level switches are second to none when it comes to quality and reliability. All units have hermetically sealed electronics with cable entry rated at IP68, an LED status indicator to confirm at a glance the condition of the switch, a standard 2 metre cable with pre stripped... [See More]

  • Technology: Optical
  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)
  • Construction: Solid-state switch
  • Maximum Current: 0.1000
Optical Level Switch Series OLS -- Series OLS
from Dwyer Instruments, Inc.

Low cost, rugged optical level switch provides rapid response while employing no moving parts for stable process control. The bright red and green LED ’s indicate the presence or absence of liquid for true, local indication. Three optional materials, 316 stainless steel, polysulfone and PFA... [See More]

  • Technology: Optical
  • Configuration: Normally Open (NO)
  • Construction: Solid-state switch
  • Maximum Current: 0.1000
Optical Liquid Level Switch -- OLM01T...
from First Sensor AG

The OLM series offers optical point level detection for a wide range of OEM applications. The optical OLM liquid level switches use solid state technology with no moving parts for highly accurate and reliable measurements. The product range includes switches with microprocessor compatible TTL... [See More]

  • Technology: Optical
  • Construction: Solid-state switch
  • Repeatability: 0.0400
  • Configuration: Normally Open (NO); Normally Closed (NC)
Alloy Electro-Optic Single-Point Level Switches -- ELS-950M
from Gems Sensors & Controls

Rugged brass housing. Smallest Size. TPE Over-Molded Electronics. Durable Enough to Handle Harsh Environments. The ELS-950M Series represents Gems ™ smallest electro-optic level sensor developed to monitor a broad range of media including OHV type fluids. Our UL approved design features a... [See More]

  • Technology: Optical
  • Maximum  Pressure: 250
  • Repeatability: 0.0394
  • Switch Points: 1
LLE Series Liquid Level Sensor with Nickel-plated brass housing, 1/2 inch BSPT and polysulphone sensor; Standard; Type 5; -25 °C to 80 °C; 180 mm lead wires and sleeving -- LLE205000
from Honeywell Sensing and Control

The LLE series of enhanced liquid level sensor uses a photo-transistor trigger which provides a digital output that denotes the presence or absence of liquid. This series incorporates reverse polarity, over voltage, short circuit and transient protection. [See More]

  • Technology: Optical
  • Construction: Solid-state switch
  • Repeatability: 0.0394
  • Configuration: Normally Closed (NC)
NSD - Economical Optical Level Float Switch
from KOBOLD Instruments, Inc.

The NSD series optical level switch is a low cost solid-state level sensor suited for clear, translucent, and non-coating low viscosity liquids. The NSD functions by detecting the difference in refraction between the liquid and air. An infrared LED inside the lens transmits a beam of invisible... [See More]

  • Technology: Optical
  • Configuration: Normally Closed (NC)
  • Construction: Solid-state switch
  • Maximum  Pressure: 150
Optical Level Switch - Harsh Environments
from Madison Company

Optical Level Switches designed for harsh environments with extremes in temperature, pressure, vibration and shock. Sealed to meet IP67 in a stainless steel housing : Phototransistor trigger. Digital output, solid-state technology. Output : TTL 200 mA, sinking. Fast response. These compact optical... [See More]

  • Technology: Optical
  • Mounting: Top mount
  • TTL: TTL Compatible
OPL-003
from Automation Products Group, Inc.

Switch on low level, PNP, UL components, IS ratings on request [See More]

  • Technology: Optical
  • Configuration: Normally Open (NO); Normally Closed (NC) (optional feature)
  • Construction: Electro-mechanical switch (optional feature); Solid-state switch
  • Pole & Throw: PNP sourcing
Optical Liquid Level Switch -- OLM01T...
from First Sensor Sensortechnics

Sensortechnics' OLM series offers optical point level detection for a wide range of OEM applications. The optical OLM liquid level switches use solid state technology with no moving parts for highly accurate and reliable measurements. The product range includes switches with microprocessor... [See More]

  • Technology: Optical
  • Construction: Solid-state switch
  • Repeatability: 0.0400
  • Configuration: Normally Open (NO); Normally Closed (NC)
Cane Probes -- Clamp Style Cane Probe
from OPW Engineered Systems

Civacon cane probes are used to provide overfill detection where a permanent sensor cannot be properly affixed to a tank or railcar. They provide a portable, flexible solution to varying overfill requirements. Civacon cane probes utilize modern, instant-on optic principles. Temperature condition... [See More]

  • Technology: Optical
  • Mounting: Top mount
  • Repeatability: 0.0625
  • Operating Temperature: -40 to 158
K01 Family Plastic Level Switch -- 0-01-100-03-0
from TEKLAB ELECTRONIC

Fiberglass reinforced body to perform mechanical requirements, prog. timer [See More]

  • Technology: Optical
  • Construction: Solid-state switch
  • Repeatability: 0.0394
  • Configuration: Normally Open (NO) (optional feature); Normally Closed (NC) (optional feature)