

SKU: LD-8
Rod-based survey listening instrument purpose-built for walking water distribution systems at hydrants, meters, and valves. Built-in A/C hum notch filter (transformers / power lines), 55 dB amplifier, 100 Hz–2000 Hz response, 3-range sensitivity, stereo leather-cup headphones. Ships with a short 4" rod and a 4-section 13" threaded rod set.
List price. Volume pricing available.
Rod-based survey listening instrument purpose-built for walking water distribution systems at hydrants, meters, and valves. Built-in A/C hum notch filter (transformers / power lines), 55 dB amplifier, 100 Hz–2000 Hz response, 3-range sensitivity, stereo leather-cup headphones. Ships with a short 4" rod and a 4-section 13" threaded rod set.
The SubSurface LD-8 Leak Detector # LD-8 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 | |
|---|---|---|
LD8-ROD100 | Request Quote | View Details → |
LD8-ADAPTER | Request Quote | View Details → |
LD8-HP | 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.