Will this fork for listening to air leaks around home window frames? While a/c is on.

Don’t know about home use. It works very well in the car!

how close to the leak do you need to be, I need to find air leaks in the fire damper actuators above a T-bar ceiling.will it find very faint hiss?

You have to be pretty much on top of the leak for this to work. It's good on engines that are shut off and has an air leak. But you have to be right over the leak.

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Lisle 52700 Audio Stethoscope

Product ID: 11708909

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Details

Color
U.S.
Brand
Lisle
Material
Aluminum
Item Weight
3.2 ounces
Model Name
Audio

🔊Precision audio detection

🔍Pinpoints vacuum & exhaust leaks

🛠️Compact, lightweight design

Description

🔊 Tune into precision – don’t let leaks slip by unnoticed!

COMPACT POWERHOUSE - Measuring just 14.5 x 4.75 x 1.75 inches, it fits perfectly in any professional toolkit.
MANUAL LIFT CONTROL - Simple, intuitive manual operation for precise sound isolation and leak detection.
HEAR WHAT OTHERS MISS - Detects subtle vacuum, exhaust, wind, and air leaks with crystal-clear audio precision.
ENGINEERED FOR EFFICIENCY - Lightweight 3.2 oz design ensures easy handling during long diagnostic sessions.
TRUSTED BRAND RELIABILITY - From Lisle, a name synonymous with durable, high-performance automotive tools.

The Lisle 52700 Audio Stethoscope is a professional-grade diagnostic tool designed to detect vacuum, exhaust, wind, and air leaks with exceptional audio clarity. Lightweight and compact, it offers manual lift control for precise sound isolation, making it an essential accessory for automotive professionals and enthusiasts aiming for flawless engine performance.

Specifications

Manufacturer	Lisle
Brand	Lisle
Model	Audio Stethoscope
Item Weight	3.2 ounces
Product Dimensions	14.5 x 4.75 x 1.75 inches
Item model number	52700
Is Discontinued By Manufacturer	No
Manufacturer Part Number	52700
Lift Type	Manual

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134.60 DT

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TrustScore 4.5 | 7,300+ reviews