Oil Sheen Monitoring System -- ID-221
from GE Analytical Instruments

The ID-221 can detect as little as 0.3 mm layer of oil on water reliably, repeatedly, and without false alarms. It can also monitor on-line changes in oil layer thickness. The controller relays can initiate both local and remote alarms, as well as control. A stilling well is recommended for all... [See More]

  • Leak Detection Method: Mechanical Float Switch (Relay Contact)
  • Detectable Liquid Features: Dirty Liquids; Opaque Liquids
  • Specific Detectable Liquid Types: Petroleum Based Products/Fuels
  • Liquid Temperature Range: 32 to 158
Leak Detection Sensors -- DLP1 / DLP2
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]

  • Leak Detection Method: Mechanical Float Switch (Relay Contact)
  • Output Options: Switch or Alarm Signal
  • Specific Detectable Liquid Types: Water
Leak Detection Gauge -- Type K
from Krueger Sentry Gauge Co.

The Leak Type K Gauge is a reliable, vertical type leak monitor used for detecting leaks in the annular/interstitial space of a double wall above ground containment tank (AST's). Its simple mechanical design promotes durability, minimal upkeep, quick installation, and easy/inexpensive repairs. This... [See More]

  • Leak Detection Method: Mechanical Float Switch (Relay Contact)
  • Detector Features: Built in Alarm Indicator (optional feature)
Leak Detector/Liquid Presence -- Model ULD-492P98
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]

  • Leak Detection Method: Mechanical Float Switch (Relay Contact)
  • Output Options: Switch or Alarm Signal
  • Specific Detectable Liquid Types: Water
  • Detector Features: Built in Alarm Indicator