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

Lugar de origen Porcelana
Nombre de la marca testo
Número de modelo 557s
Cantidad de orden mínima 2
Precio USD$490
Tiempo de entrega 10 días
Condiciones de pago LC, D/A, D/P, T/T, Western Union
Capacidad de la fuente 20PC
Datos del producto
Resaltar

Testo 550s digital refrigerant gauge

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Testo 557s electronic manifold instrument

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Digital pressure gauge for air conditioning

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Descripción de producto
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