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Testo HVAC Tools & Measurement Instruments

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Testo 115i - Clamp Thermometer Operated Via Smartphone Save 20% Save %
$204.95
$204.95 - $204.95
$204.95
$163.95
$163.95 - $163.95
$163.95

Testo 115i Wireless Pipe Clamp Thermometer | Superheat & Subcooling

5+ in stock

Testo 115i Wireless Pipe Clamp Thermometer — Superheat, Subcooling & Flow/Return Temperatures The Testo 115i is a wireless pipe clamp thermome...

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$204.95
$204.95 - $204.95
$204.95
$163.95
$163.95 - $163.95
$163.95
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Testo 805 I - Infrared Testo Thermometer With Smartphone Operation Save 20% Save %
$259.95
$259.95 - $259.95
$259.95
$207.95
$207.95 - $207.95
$207.95

Testo 805i Wireless Infrared Smart Thermometer | 8-Point Laser | 0560 1805

5+ in stock

Testo 805i Wireless Infrared Smart Thermometer — 8-Point Laser | SKU: 0560 1805 The Testo 805i is a wireless non-contact infrared thermometer from...

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$259.95
$259.95 - $259.95
$259.95
$207.95
$207.95 - $207.95
$207.95
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Testo 905i - Smart Thermometer Operated With Your Smartphone - 0560 1905 Save 12% Save %
$261.95
$261.95 - $261.95
$261.95
$229.99
$229.99 - $229.99
$229.99

Testo 905i Wireless Smart Thermometer | -50 to +150°C | 0560 1905

5+ in stock

Testo 905i Wireless Smart Thermometer — SKU: 0560 1905 The Testo 905i is a compact wireless thermometer from the Testo Smart Probes range, designe...

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$261.95
$261.95 - $261.95
$261.95
$229.99
$229.99 - $229.99
$229.99
Save 12% Save %
Testo 410i - Vane Anemometer Wireless Smart Probe Save 8% Save %
$281.95
$281.95 - $281.95
$281.95
$259.99
$259.99 - $259.99
$259.99

Testo 410i Wireless Vane Anemometer Smart Probe | 0560 1410

5+ in stock

Testo 410i Wireless Vane Anemometer Smart Probe — SKU: 0560 1410 The Testo 410i is a compact wireless vane anemometer from the Testo Smart Probes ...

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$281.95
$281.95 - $281.95
$281.95
$259.99
$259.99 - $259.99
$259.99
Save 8% Save %
Testo 510i - Differential Pressure Manometer Wireless Smart Probe
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$399.99
$399.99 - $399.99
$399.99
$319.99
$319.99 - $319.99
$319.99

Testo 510i Wireless Differential Pressure Smart Probe | 0560 1510

5+ in stock

Testo 510i Wireless Differential Pressure Smart Probe — SKU: 0560 1510 The Testo 510i is a compact wireless differential pressure measuring instru...

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$399.99
$399.99 - $399.99
$399.99
$319.99
$319.99 - $319.99
$319.99
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Testo 570-1 Digital Refrigeration Gauge Manifold W Data Logging - 0563 5701
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$1,852.95
$1,852.95 - $1,852.95
$1,852.95
$1,481.95
$1,481.95 - $1,481.95
$1,481.95

Testo 570-1 Digital Refrigeration Gauge Manifold W Data Logging - 0563 5701

5+ in stock

The Testo 570-1 can replace a huge range of measuring tools you would normally need to carry out your work on refrigeration systems and heating p...

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$1,852.95
$1,852.95 - $1,852.95
$1,852.95
$1,481.95
$1,481.95 - $1,481.95
$1,481.95
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Testo 550s Smart Digital Manifold | Wireless Hose & Temperature Probes
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$1,372.95
$1,372.95 - $1,372.95
$1,372.95
$1,097.95
$1,097.95 - $1,097.95
$1,097.95

Testo 550s Smart Digital Manifold | Wireless Hose & Temperature Probes

5+ in stock

The Testo 550 Smart Digital Manifold with wireless hose and clamp temperature probes is a cutting-edge solution for HVAC professionals seeking pre...

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$1,372.95
$1,372.95 - $1,372.95
$1,372.95
$1,097.95
$1,097.95 - $1,097.95
$1,097.95
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Testo 550s Smart Digital Manifold With Wireless Clamp Temperature Probes 0564 5502
Save 22% Save %
$1,237.95
$1,237.95 - $1,237.95
$1,237.95
$969.99
$969.99 - $969.99
$969.99

Testo 550s Smart Digital Manifold With Wireless Clamp Temperature Probes 0564 5502

5+ in stock

The testo 550s digital manifold with a 2-way valve block enables you to precisely measure refrigeration, air conditioning systems, and heat pumps...

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$1,237.95
$1,237.95 - $1,237.95
$1,237.95
$969.99
$969.99 - $969.99
$969.99
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Testo 550i Digital Manifold Smart-Kit | Smart Kit Australia for HVAC
Save 23% Save %
$736.95
$736.95 - $736.95
$736.95
$569.99
$569.99 - $569.99
$569.99

Testo 550i Digital Manifold Smart-Kit | Smart Kit Australia for HVAC

5+ in stock

What is the Testo 550i Digital Manifold? The Testo 550i Digital Manifold is an advanced tool designed for HVAC professionals and homeowners to opti...

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$736.95
$736.95 - $736.95
$736.95
$569.99
$569.99 - $569.99
$569.99
Save 23% Save %
Testo 549i - High-pressure Gauge Operated Via Smartphone
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$238.95
$238.95 - $238.95
$238.95
$190.95
$190.95 - $190.95
$190.95

Testo 549i - High-pressure Gauge Operated Via Smartphone

5+ in stock

Testo offers you greater mobility when measuring: used in conjunction with your smartphone or tablet, the handy testo 549i high-pressure gauge is...

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$238.95
$238.95 - $238.95
$238.95
$190.95
$190.95 - $190.95
$190.95
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External Vacuum Probe For Testo 557 - 0638 1557
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$434.95
$434.95 - $434.95
$434.95
$347.95
$347.95 - $347.95
$347.95

Testo External Vacuum Probe for Testo 557 Digital Manifold | 0638 1557

5+ in stock

Testo External Vacuum Probe for Testo 557 Digital Manifold — 0638 1557 The Testo 0638 1557 is an external vacuum probe designed for use with the T...

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$434.95
$434.95 - $434.95
$434.95
$347.95
$347.95 - $347.95
$347.95
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Testo 316-4 Kit 1 - Leak Detector
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$1,291.95
$1,291.95 - $1,291.95
$1,291.95
$1,032.95
$1,032.95 - $1,032.95
$1,032.95

Testo 316-4 Kit 1 - Leak Detector

5+ in stock

Everything you need for professional leakage detection: the testo 316-4 set 2 with leak detector for all common refrigerants NH3, CFC, HFC, HCFC, ...

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$1,291.95
$1,291.95 - $1,291.95
$1,291.95
$1,032.95
$1,032.95 - $1,032.95
$1,032.95
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testo 316-4 set 2 - Leak detector for ammonia (NH3) - 0563 3165
Save 20% Save %
$1,459.95
$1,459.95 - $1,459.95
$1,459.95
$1,167.95
$1,167.95 - $1,167.95
$1,167.95

Shop Hilmor 1885433 Folding Utility Knife – Buy Online Today

5+ in stock

Everything you need for professional leakage detection: the testo 316-4 set 2 with leak detector for all common refrigerants NH3, CFC, HFC, HCFC, ...

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$1,459.95
$1,459.95 - $1,459.95
$1,459.95
$1,167.95
$1,167.95 - $1,167.95
$1,167.95
Save 20% Save %
Testo 316-3 Refrigerant Leak Detector - 0563 3163
Save 20% Save %
$822.95
$822.95 - $822.95
$822.95
$657.95
$657.95 - $657.95
$657.95

Testo 316-3 Refrigerant Leak Detector | Heated Diode | 0563 3163

5+ in stock

Testo 316-3 Refrigerant Leak Detector — Patented Heated Diode Sensor | SKU: 0563 3163 The Testo 316-3 is a portable refrigerant leak detector usin...

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$822.95
$822.95 - $822.95
$822.95
$657.95
$657.95 - $657.95
$657.95
Save 20% Save %

Shop Testo HVAC tools & measurement instruments

built for accurate diagnostics, commissioning and maintenance work. This range suits HVAC/R technicians and trade buyers who want reliable readings on-site — from temperature and pressure through to airflow, IAQ and thermal checks.

Quick ways to shop Testo

What to choose (fast trade guide)

  • Service & diagnostics: start with smart probes or a kit that covers temperature + pressure for quicker call-outs.
  • Commissioning & balancing: look at airflow tools (anemometers/hoods) to verify performance, not guess it.
  • IAQ jobs: CO₂ / humidity tools help document indoor conditions for clients and facility managers.
  • Reporting & compliance workflows: choose models that support logging/export so you can attach readings to job notes.

Trade notes

  • Calibration & traceability: if you need documented accuracy for QA or facilities work, plan a calibration schedule to match your site requirements.
  • Refrigerant work: measurement tools support diagnosis, but refrigerant handling must be completed by appropriately licensed technicians.

Need help matching a Testo kit to your workflow or replacing a probe/case? Use the filters above or visit Trade Accounts for quote-only purchasing.

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