

SKU: LD-12
Mid-tier acoustic leak detector with backlit analog meter and a bank of 6 selectable band-pass filters (100/200/400 Hz low-side, 600/800/1200 Hz high-side) plus a Filter-Thru mode for 15 Hz–30 kHz full-spectrum listening. 62 dB amp, 110 dB hearing-protection limiter, 28 hr on 6× AA. Tunable analog filtering without digital complexity.
List price. Volume pricing available.
Mid-tier acoustic leak detector with backlit analog meter and a bank of 6 selectable band-pass filters (100/200/400 Hz low-side, 600/800/1200 Hz high-side) plus a Filter-Thru mode for 15 Hz–30 kHz full-spectrum listening. 62 dB amp, 110 dB hearing-protection limiter, 28 hr on 6× AA. Tunable analog filtering without digital complexity.
The SubSurface LD-12 Leak Detector # LD-12 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 | |
|---|---|---|
LD-12-H1A | Request Quote | View Details → |
LD12-MIC40 | Request Quote | View Details → |
LD12-MIC6FT | Request Quote | View Details → |
LD12-CASE | Request Quote | View Details → |
LD12-BASE | Request Quote | View Details → |
39-inch rods (3 sections) for LD-7 / LD-12 / LD-16 / LD-18.

Padded amplifier case (black) for LD-15.
100-foot gradiometer cable.
9V alkaline battery holder.