Directly from the manufacturer

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No leak goes undetected.

Instant response. No guesswork.
Reliable leak detection for every HVAC/R application.

Leak detector testo 515 Ex

Stop chasing. Start detecting.

Rising energy costs and stricter safety requirements demand reliable leak detection in HVAC/R and heating systems. The new testo 51x family delivers fast response, precise results and full control on every job.

Instant response

Advanced fan suction. Response & recovery under 2 seconds.

Maximum selectivity

Sensitivity down to 1 g/a.

ATEX certified safety

Safe operation in A3 & A2L environments.

Full control

Multiple display modes including trend curve, plus acoustic & vibration alarm.

For pros in any application.


Reliable leak detection for AC/R

Precise and fast leak detection is essential for efficiency, safety and compliance.

Leak detection for Refrigeration

Maximum selectivity. No compromises.

The testo 515 Ex combines ATEX certified safety with a sensitivity down to 1 g/a. Designed for complex refrigerant and gas systems. Swap sensors easily. Stay ready.

Leak detection in tight spaces

Reach tight spaces easily
Flexible, robust gooseneck for precise detection in tight and hard-to-access areas.

Sensor swap

Easy sensor swap
Interchangeable sensors for refrigerant, gas and CO2 detection.

Leak detector display

Full control
Multiple display modes including trend curve for clear and intuitive leak analysis.

Automatic zeroing

Easy pinpointing
Automatic zeroing for fast and accurate leak localization.

Audio and vibration alarms

Alerting
Audio and vibration alarms for reliable detection in noisy environments.

Explore the testo 51x leak detector family.

Three models. One clear choice.
From focused detection to a sensitivity down to 1 g/a –
find the right leak detector for your job.

Leak detector testo 515 Ex

testo 515 Ex

Flexible 2-in-1 detection with 1 g/a sensitivity and ATEX certification for refrigerant and gas applications.

Leak detector testo 514

testo 514

Dedicated refrigerant leak detector with fast response for AC/R and heat pump systems.

Leak detector testo 513

testo 513

Dedicated gas leak detector for heating systems and maintenance tasks.

Safety and reaction time.

Selective. Fast. Reliable.

  • 1g/a sensitivity

  • Active suction for fast leak detection <2 s

  • ATEX-certification for highest safety standards

Leak detector sensor

Easy sensor swap.

Unscrew. Replace. Go.

  • Interchangeable sensors for refrigerant, gas and CO2

  • No second device required

  • Stay ready for the next job

Leak detector sensor swap

Full control.

See it. Understand it. Act.

  • Numeric and bar graph

  • Trend curve for intuitive analysis

  • Clear color display for fast decisions

Leak detector display

Discover the new smart HVAC/R World of Testo.

testo Smart Connect

testo Smart Connect

Ventilation & IAQ

Ventilation & IAQ

Refrigeration technology

Refrigeration technology

Heating technology

Heating technology

testo Smart App

testo Smart App

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Australia
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Australia
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