TESTO เครื่องวัดค่า Vacuum แบบไร้สาย (Wireless Probes) รุ่น 552i

Measuring range	0 to 26.66 mbar / 0 to 20000 micron
Accuracy	±10 micron + 10 % of mv (100 to 1000 micron) ±(1
Resolution	1 micron (0 to 1000 micron) / 10 micron (1000 to 2000 micron) / 100 micron (2000 to 5000 micron) /
Overload	absolute: 6.0 bar / 87 psi (relative: 5.0 bar / 72 psi)
Weight	142 g
Dimensions	150 x 32 x 31 mm
Operating temperature	-10 to +50 °C
Protection class	IP54
System requirements	requires iOS 12.0 or newer; requires Android 6.0 or newer; requires mobile end device with Bluetooth 4.2
Product colour	black/orange
Auto-off	10 min*
Battery type	3 AAA micro batteries
Battery life	39 h
Connection	7/16“ UNF
Interface	Bluetooth® 4.2
Storage temperature	-20 to +50 °C

TESTO 552i เครื่องวัดค่า Vacuum แบบไร้สาย (Wireless Probes)