الدفع نوع:L/C,Western Union,D/P,D/A,T/T,MoneyGram
أدني كمية الطلب:50 piece
ميناء:NINGBO
$320≥50Others
Warranty: 2 Years
دعم مخصص: OEM ، ODM
Brand Name: testo
Model Number: testo 557
اسم المنتج: Digital Pressure Gauge
مكان المنشأ: تشجيانغ ، الصين
شهادة: CE
الدعم: 10000 Piece/Pieces per Month
ميناء: NINGBO
الدفع نوع: L/C,Western Union,D/P,D/A,T/T,MoneyGram
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
|