Switch or Alarm Signal Liquid Leak Detectors
from Arjay Engineering
Reliable monitoring of liquid leaks in containments and floor spaces. The Leak Pad Sensor (Area Leak Alarm) can be placed on containment floors and pans to alert on a dry vs. wet condition. These can be placed around a tank, in electrical and computer vaults, and in pump stations. The 2852-LPS... [See More]
- Output Options: Analog Current; Switch or Alarm Signal
- Specific Detectable Liquid Types: Water; Corrosive Fluids; Petroleum Based Products/Fuels
- Leak Detection Method: Capacitance
- Liquid Temperature Range: -76 to 131
from Time Mark Corporation
The Model 4092 Dual Seal Failure Detector is designed specifically for monitoring the shaft seals of two submersible pumps. The probes are installed in the seal cavities of each of the pumps. When a seal begins to leak, contaminating fluid enters the seal cavity, lowering the resistance between the... [See More]
- Output Options: Switch or Alarm Signal
- Minimum Response Time: 0.0150
- Leak Detection Method: Electrical Conductivity or Resistance
- Specific Detectable Liquid Types: Water
from Uehling Instrument Company
How does it work? The sensor ultrasonically recognizes the attenuation and dielectric properties of the liquid or air present. Digital sampling insures precise interpretation. The resulting output signal identifies the condition sensed. When an alarm condition is sensed by Level Alert, an audible... [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Water
- Leak Detection Method: Mechanical Float Switch (Relay Contact)
- Detector Features: Built in Alarm Indicator
from OMEGA Engineering, Inc.
The LDH-380 refrigerant leakage detector is the perfect tool for maintaining the air-condition or a cooling system with compressor and refrigerant. This unit uses a newly developed semi-conductor sensor which is extremely sensitive to variety of general refrigerants. [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Refrigerant
- Leak Detection Method: Semi-Conductor Sensor
- Detectable Liquid Features: Gases/Vapors
from Glas-Col, LLC
SPILL ALARM & CUT-OFFTM. This handy device will turn electrical equipment OFF or ON if the Sensor detects a spill on the bench or floor - wherever the sturdy acrylic sensing block is placed. A audible alarm sounds during a spill condition. A solenoid installed in the water supply line and... [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Water
- Leak Detection Method: Electrochemical Sensor
- Detector Features: Built in Alarm Indicator
from Traceable® Products
Inexpensive Liquid Alarm may be placed anywhere. Use it to detect when drums, tanks, flasks, or beakers are close to overfilling. It is the perfect reminder for unattended filling of any container. The moment a solution touches the sensor, the alarm sounds and a red LED light flashes continually... [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Water
- Leak Detection Method: Spill/Overflow Detection
- Detectable Liquid Features: Opaque Liquids
from Gems Sensors & Controls
Designed for use in the annular space of double wall fiberglass tanks to detect hydrocarbon liquids. When hydrocarbons are present, a hydrocarbon wax pellet dissolves and closes a springloaded switch to signal a leak. This sensor is not reusable after exposure to hydrocarbons. [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Petroleum Based Products/Fuels
- Leak Detection Method: Spring Loaded Switch, Wax Pellet
from ClampOn, Inc.
Intelligent DSP electronics with signal processing [See More]
- Output Options: Analog Current; Switch or Alarm Signal
- Specific Detectable Liquid Types: Petroleum Based Products/Fuels
- Leak Detection Method: Ultrasonic Leak Detector
- Detectable Liquid Features: Dirty Liquids; Opaque Liquids; Gases/Vapors
from OMEGA Engineering, Inc.
The LA-13 portable water leak alarm can prevent potential water damage by keeping it anywhere water is a potential danger. Each sensor can be placed in an upright or flat position near the base of potential water leaks. The LA-13 can be placed near plumbing, sinks, aquariums, sump pumps,... [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Water
- Leak Detection Method: Electrical Conductivity or Resistance
- Detector Features: Built in Alarm Indicator
from Gems Sensors & Controls
Designed to detect presence of liquid in sumps, attached access pipes, annular spaces, or locations requiring a small float-operated sensor. Two models to fit 1-1/2" and 2" standard piping. [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Water
- Leak Detection Method: Mechanical Float Switch (Relay Contact)
from Gems Sensors & Controls
Utilizes conductivity probes and a reed switch based float switch to detect the presence of liquid and differentiate between hydrocarbons and water. When combined with Warrick ® DMS or TA two-channel alarm panel, the DSP-2 can discriminate between water and hydrocarbon liquids causing fault... [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Water; Conductive Liquid
- Leak Detection Method: Electrical Conductivity or Resistance
from Gems Sensors & Controls
Designed to monitor hydrocarbon vapors in wells or sumps by absorbing the vapors and triggering a switch. Should not be used where vapors are continuously present. Fits in standard 2" pipe with cover. [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Petroleum Based Products/Fuels
- Leak Detection Method: Vapor Absorption
from Gems Sensors & Controls
Dependable Long Service Life. Fits Small, Interstitial Spaces. Easy Maintenance. The Gems ™ LS-10 liquid sensor accurately detects the presence of liquid in fiberglass double-wall tanks, containment sumps and double-wall pipes. Dry contact switching ensures dependability throughout its long... [See More]
- Output Options: Switch or Alarm Signal
- Specific Detectable Liquid Types: Water; Petroleum Based Products/Fuels
- Leak Detection Method: Mechanical Float Switch (Relay Contact)
- Operating Temp: -40 to 176