The LD-12 is the most economical full capability leak detector sold. Has an analog display and six filters.


(2.1) LD-18 Leak Detector

Product Details
  • 900 V/G Sensitivity or Higher (at 400Hz)
  • Low Filters: Off 100Hz, 200Hz, 400 Hz
  • High Filters: 400Hz, 600Hz, 800Hz, 1200Hz, 2200Hz
  • Notch Filters Off, 50Hz, 60Hz
  • 24 Hour Battery Life
  • 50 to 2200 Hz frequency range
Package Includes:
  • Amplifier with LCD Display
  • Padded case for Amplifier
  • 40 inches Belt
  • Ground Microphone and Handswitch
  • Magnet base and nutdriver
  • Pelican Case
  • Stereo Headphones
  • PC Software and USB Cable

(2.2) LD-15 Leak Detector

Product Details
  • Amplification : 56 dB 
  • Filter Ranges : 1) High Range 30 Hz to 5000 Hz
  • 2) Low Range 30 Hz to 800 Hz
  • 3) Notch Filter 150 Hz, 180 Hz
  • Power : 4 C dry cell batteries
Package Includes:
  • Amplifier with Meter Display and Filter Controls
  • Padded Case and Standard Belt (40 inches)
  • High Sensitivity Sensor and Cable
  • Base Plate for Listening on Street Surfaces
  • Aviation-Grade Stereo Headphones
  • Heavy-Duty ABS Plastic Carrying Case

(2.3) LD-12 Leak Detector

Product Details
  • Input Impedance : 50k ohms
  • Output Impedance : 15 ohms
  • Amplification : 62 dB +/- 3dB
  • Frequency Range : 1) 100Hz to 1200Hz(13 dB) with Filter-Thru OFF
  •  15Hz to 30,000Hz (13 dB) with Filter-Thru ON
Package Includes:
  • Amplifier with Meter Display and Filter Controls
  • Ground Microphone and Handswitch
  • Aviation-Grade Stereo Headphones
  • Heavy-Duty ABS Plastic Carrying Case
  • Magnet Base
  • 3-Section Contact Rod
  • Nut Driver (to remove base)
  • Instruction Manual (not shown)