testo 550 - Refrigeration Gauge 

Order-Nr.  0563 1550

  • 60 Built in refrigerants 

  • Additional 12 month (3 year) product
    warranty with registration 

  • On-site Reporting/ Monitoring Via Testo Refrigeration App 

  • Simplified menu structure 

The Testo 550 refrigeration gauges instantly displays superheat and sub-cooling for up to 60 refrigerants. It also measures high / low side pressures and temperatures. With its free Bluetooth linked App, the Testo 550 opens up new possibilities for efficient analysis and documentation. 

Product Description

The rugged housing of the Testo 550 digital gauges includes a metal frame around the display which protects the digital manifold from impact. Now with 60 refrigerant profiles and added functionality for leak tests, the Testo 550 digital manifold is versatile enough to become the tool for every job. You can view measurement data on your Smartphone or Tablet, enabling you to quickly and conveniently complete and document your job.

Then, be able to finalize the documentation and send the report and invoice via email, right from the job site. The App can also be used to download new refrigerants from the Internet directly into the manifold.

Why Make the Switch from Analogue to Digital Gauges

  • Measures high side / low side pressures and temperatures and displays saturation and evaporation temperature
  • Bluetooth / App integration for monitoring, report generation, and sending reports and invoices via email (65 feet range)
  • 2-way valve block with three connections
  • 60 refrigerant profiles stored in the instrument
  • Simplified menu structure using ESC key
  • Automatic superheat and sub-cooling calculations 

 

Delivery Scope

Testo 550 kit, digital manifold with Bluetooth / App; including 2 x clamp probes, batteries, case, certificate of conformity, and user's manual. 
Temperature

Measuring range

-50 to +150 °C

Accuracy

±0.5 °C

Resolution

0.1 °C

Probe connection

2 x plug-in (NTC)

Pressure measurement

Measuring range

-1 to 60 bar

Accuracy

±0.5 % fs

Resolution

0.01 bar

Probe connection

3 x 7/16" – UNF

Overload rel. (high pressure)

65 bar

Vacuum measurement

Measuring range

-1 to 0 bar

General technical data

Dimensions

200 x 109 x 63 mm

Operating temperature

-20 to +50 °C

Battery life

250 h (without illumination, without Bluetooth®)

Refrigerants in instrument

60 profiles:; R11; R12; R123; R125; R1234yf; R1234ze; R125; R13B1; R134a; R14; R142B; R152A; R161; R22; R227; R23; R290; R32; R401A; R401B; R401C; R402A; R402B; R404A; R406A; R407A; R407B; R407C; R407D; R407F; R408A; R409A; R410A; Ra11A; R412A; R413A; R414B; R416A; R417A; R420A; R421A; R421B; R422A; R422B; R422C; R422D; R424A; R426A; R427A; R434A; R437A; R438A; R502; R503; R507; R508A; R508B; R600; R600a; R744 (CO₂); R718 (H₂O); update via App

Storage temperature

-20 to +60 °C

Weight

1060 g

Air probes

Temperature - NTC

Measuring range

-50 to +125 °C ²⁾

Accuracy

±0.2 °C (-25 to +80 °C)

±0.4 °C (Remaining Range)

Reaction time

60 s

1) Long-term measurement range +125°C, short-term +150°C or +140°C (2 minutes)

Probes

Temperature - NTC

Measuring range

-40 to +125 °C

Accuracy

±1 °C (-20 to +85 °C)

Temperature - NTC

Measuring range

-50 to +150 °C ¹⁾

Accuracy

±0.5 % of mv (100 to +150 °C)

±0.2 °C (-25 to +74.9 °C)

±0.4 °C (Remaining Range)

Reaction time

35 s

1) Long-term measurement range +125°C, short-term +150°C or +140°C (2 minutes)

Temperature probe with Velcro (NTC)

Order Number: 0613 4611

$139.70 incl. Tax
Temperature - NTC

Measuring range

-50 to +70 °C ¹⁾

Accuracy

±0.2 °C (-25 to +70 °C)

±0.4 °C (-50 to -25.1 °C)

Reaction time

60.0 s

1) Long-term measurement range +125°C, short-term +150°C or +140°C (2 minutes)

Temperature - NTC

Measuring range

-40 to +125 °C

Accuracy

±1 °C (-20 to +85 °C)

$287.10 incl. Tax
Temperature - NTC

Measuring range

-50 to +120 °C

Accuracy

±0.2 °C (-25 to +80 °C)

Temperature - NTC

Measuring range

-50 to +125 °C ²⁾

Accuracy

±0.2 °C (-25 to +80 °C)

±0.4 °C (Remaining Range)

Reaction time

60 s

1) Long-term measurement range +125°C, short-term +150°C or +140°C (2 minutes)

Accessories for measuring instrument

Transport case for extensive accessories

Order Number: 0516 0012

$189.20 incl. Tax