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Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems

  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
  • Intelligent Digital Pressure Gauge with Bluetooth Connectivity and Wide Refrigerant Compatibility for HVAC Systems
Place of Origin China
Brand Name testo
Model Number 557s
Minimum Order Quantity 2
Price USD＄490
Delivery Time 10days
Payment Terms L/C, D/A, D/P, T/T, Western Union
Supply Ability 20PC
Product Details
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Digital pressure gauge for air conditioning
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Product Description
Measuring range
-58° to 302 °F / -50 to +150 °C
Accuracy
±0.9 °F / ±0.5 °C
Resolution
0.1 °F / 0.1 °C
Probe connection
2 x Plug-in (NTC)
 
Measuring range
-15 to 870 psi / -1 to 60 bar
Accuracy
±0.5 % Fs
Resolution
0.14 psi / 0.01 bar
Probe connection
3 x 7/16" – UNF + 1 x 5/8'' – UNF
Overload rel. (high pressure)
943 psi / 65 bar
 
Weight
44 oz. / 1243 g
Dimensions
9 x 4.4 x 3 in. (LxWxH) / 229 x 112.5 x 71 mm (LxWxH)
Operating temperature
-4° to 122 °F / -20 to +50 °C
Protection class
IP54
Product colour
Black
Auto-off
10 min*
Battery life
250 h with no illumination, no Bluetooth<sup>&reg;</sup>h (without illumination, without Bluetooth®, without vacuum probe); 100 h with illumination and Bluetooth<sup>&reg;</sup>
Battery type
4 x AA batteries
Radio range
492.12 ft. / 150 m
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 11.0 or newer; requires Android 6.0 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
Refrigerant
A2L / A3 compatibel
Storage temperature
-4° to 140 °F / -20 to +60 °C
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