

SKU: LD-18
Top-of-line pinpoint leak detector with automatic DSP noise reduction that filters out intermittent interference (passing vehicles, conversations, footsteps) no analog model can reject. Onboard memory stores up to 250 sound recordings with min-noise-level detection across multiple pipe locations. 10 selectable filters (5 high / 3 low / 2 notch for 50 & 60 Hz hum), IP67 piezo sensor. The right pick for noisy urban environments or when you need to document your findings.
List price. Volume pricing available.
Top-of-line pinpoint leak detector with automatic DSP noise reduction that filters out intermittent interference (passing vehicles, conversations, footsteps) no analog model can reject. Onboard memory stores up to 250 sound recordings with min-noise-level detection across multiple pipe locations. 10 selectable filters (5 high / 3 low / 2 notch for 50 & 60 Hz hum), IP67 piezo sensor. The right pick for noisy urban environments or when you need to document your findings.
The SubSurface LD-18 Leak Detector # LD-18 is manufactured by SubSurface Instruments. Valley Instrument Service is an authorized SubSurface Instruments dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
Our team can help with product selection, specs, pricing, and application support.
Contact Us or Call (661) 327-8681Accessories, replacement sensors, and parts for this product family.
| Model | Price | |
|---|---|---|
LD18-CASE | Request Quote | View Details → |
LD18-BASE | Request Quote | View Details → |
LD18-BELT | Request Quote | View Details → |
LD18-MIC | Request Quote | View Details → |
39-inch rods (3 sections) for LD-7 / LD-12 / LD-16 / LD-18.

Padded amplifier case (blue with logo) for LD-12.

Padded amplifier case (black) for LD-15.
100-foot gradiometer cable.