4 วาล์วสมาร์ทดิจิตอลเครื่องวัดท่อร่วม Testo 557 Digital Manifold

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)

Resolution

1 micron (0 to 1000 micron)

10 micron (1000 to 2000 micron)

100 micron (2000 to 5000 micron)

500 micron (5000 to 10000 micron)

5000 micron (10000 to 20000 micron)

General technical data

Weight

3250g

Dimensions

220 x 125 x 70 mm (LxWxH)

Operating temperature

-4° to 122 °F / -20 to +50 °C

Protection class

IP42

System requirements

requires iOS 13.0 or newer; requires Android 8.0 or newer; requires mobile end device with Bluetooth 4.0

Product colour

Black

Battery life

250 h (without illumination, without Bluetooth®, without vacuum probe)

Pressure media

CFC

Refrigerants in instrument

R407H; R23; R290; R1234yf; R442A; R134a; R123; R452B; R438A; R421A; R453a; R401B; R1233zd; R410A; R407A; R407C; R452A; R401A;
R422C; R427A; R422B; R424A; R125; R414B; R404A; R408A; R448A; R422D; R12; R114; R421B; R449A; R409A; R420A; R444B; R32; R454A;
R124; R402A; R450A; R407F; R416A; R13; R437A; R1234ze; R454B; R402B; R22; R434A; 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

-4° to 140 °F / -20 to +60 °C