All the digital manifolds at a glance

  • Remote monitoring and measurement documentation by smartphone and tablet
  • 60 common refrigerants stored in the instrument, easy updates via App!
  • Reliable evacuation via an accurate external vacuum probe
  • Temperature-compensated leakage testing
  • Optional connection of clamp meter, oil pressure probe and up to three temperature probes
  • Integrated vacuum measurement

550 and 557 are our best-selling manifolds: They offer everything for all-round services and can be combined with the convenient testo App. 570 are 4-way manifold for professionals enables accurate storage and documentation of pressure measurements, temperature measurements and other important parameters of a refrigeration system.

Differentiation

For different requirements we have classified it as:

Analog testo 549 testo 550 testo 557 testo 570
Integrated temp. measurement  – x  x  x  x
Pressure measurement accuracy > 1% fs 0,5 % fs 0,5 % fs 0,5 % fs 0,5 % fs
Identical pressure measuring range (HP/LP) – ≤ 60 bar ≤ 60 bar ≤ 60 bar ≤ 50 bar
4-way valve block product- – – x x
dependent
Internal memory / documentation – – – – x
“EasyKool” software – – – – x
No. of refrigerants product- 60 60 60 40
dependent
Refrigerant update – – by App by App by
(smartphone) (smartphone) software
Auto. absolute pressure measurement – – – x x
Heat pump mode – x x x x
Temperature-compensated leakage test – x x x x
Vacuum measurement – indication indication accurate & robust accurate & robust

For download- spring-refrigeration-2019-comparison-EN

testo 550 2-way

 

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
Weight 2424 g
Dimensions 200 x 109 x 63 mm
Operating temperature -20 to +50 °C
Protection class IP42
System requirements requires iOS 7.1 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Product colour Black
Battery life 250 h (without illumination, without Bluetooth®)
Refrigerants in instrument R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
Refrigerants update via App R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; Ra11A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Storage temperature -20 to +60 °C

testo 557

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 + 1 x 5/8” – UNF
Overload rel. (high pressure) 65 bar
Vacuum measurement
Measuring range 0 to 20000 micron
Accuracy ± (10 micron + 10 % of mv) (100 to 1000 micron)
General technical data
Weight 3250 g
Dimensions 220 x 125 x 70 mm
Operating temperature -20 to +50 °C
Protection class IP42
Product colour Black
Battery life 250 h (without illumination, without Bluetooth®, without vacuum probe)
Pressure media CFC
Refrigerants in instrument R114; R12; R123; R1233zd; R1234yf; R1234ze; R124; R125; R13; R134a; R22; R23; R290; R32; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R407F; R407H; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422C; R422D; R424A; R427A; R434A; R437A; R438A; R442A; R444B; R448A; R449A; R450A; R452A; R452B; R453a; R454A; R454B; R454C; R455A; R458A; R500; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
System requirements requires iOS 7.1 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
Refrigerants update via App R11; FX80; I12A; R1150; R1270; R13B1; R14; R142B; R152A; R161; R170; R227; R236fa; R245fa; R401C; R406A; R407B; R407D; R41; Ra11A; R412A; R413A; R417A; R417B; R417C; R422A; R426A; R508A; R508B; R600; RIS89; SP22
Storage temperature -20 to +60 °C

testo 570

Temperature
Measuring range -50 to +150 °C
Accuracy ±0.5 °C (±1 Digit)
Resolution 0.1 °C
Probe connection 3 x Plug-in (NTC)
Pressure measurement
Measuring range 50 bar
Accuracy ±0.5 % fs (±1 Digit)
Resolution 0.01 bar / 0.1 psi
Probe connection 3 x 7/16″ – UNF + 1 x 5/8” – UNF
Overload rel. (low pressure) 52 bar
Overload rel. (high pressure) 52 bar
Low pressure rel. 50 bar
High pressure rel. 50 bar
Vacuum measurement
Measuring range -1 to 0 bar
Accuracy 1 % fs
Resolution 1 hPa / 1 mbar / 500 micron
General technical data
Weight 1200 g
Dimensions 280 x 135 x 75 mm
Operating temperature -20 to +50 °C
Protection class IP42
Product colour grey
Battery life approx. 40 h (w/o illumination)
Display type LCD
Pressure media CFC; HFC; N; H₂O; CO₂
Refrigerants in instrument R12; R123; R1233zd; R1234yf; R134a; R22; R290; R401A; R401B; R402A; R402B; R404A; R407A; R407C; R408A; R409A; R410A; R414B; R416A; R420A; R421A; R421B; R422B; R422D; R424A; R427A; R434A; R437A; R438A; R448A; R449A; R450A; R452A; R455A; R502; R503; R507; R513A; R600a; R718 (H₂O); R744 (CO₂)
Refrigerants update via software EasyKool; R11; FX80; I12A; R114; R1150; R1234ze; R124; R125; R1270; R13; R13B1; R14; R142B; R152A; R161; R170; R227; R23; R236fa; R245fa; R32; R401C; R406A; R407B; R407D; R407F; R407H; R41; Ra11A; R412A; R413A; R417A; R417B; R417C; R422A; R422C; R426A; R442A; R444B; R452B; R453a; R454A; R454B; R454C; R458A; R500; R508A; R508B; R600; RIS89; SP22
Storage temperature -20 to +60 °C