a.无锡万里实业集团有限公司
Pressure test device 901.21 111L4
Pressure range: -28+-2,8 / -18+-2,8 kPa - black -
diaphragm material: NBR
pressure connection: brass G1/4
maximum positive working pressure: 1 bar
maximum negative working pressure: -1 bar
maximum electrical rating: 6 A / 250 VAC
b.宁波中车时代电气设备有限公司
Pressure test device 901.21 111L4
Pressure range: -28+-2,8 / -18+-2,8 kPa - black -
diaphragm material: NBR
pressure connection: brass G1/4
maximum positive working pressure: 1 bar
maximum negative working pressure: -1 bar
maximum electrical rating: 6 A / 250 VAC
c.云集(福建)实业有限公司
Pressure test device 901.21 111L4
Pressure range: -26+-2,6 / -16+-2,6 kPa- black -
diaphragm material: NBR
pressure connection: brass G1/4
maximum positive working pressure: 1 bar
maximum negative working pressure: -1 bar
maximum electrical rating: 6 A / 250 VAC
d.青岛亚通达铁路设备制造有限公司
Pressure switch test device 901.21 121M4
Switching points: -35+-3,5 / -28+-3,5 kPa
Diaphragm material: NBR
Pressure connection: Brass G1/8
Max. positive working pressure: 4 bar
Max. negative working pressure: -1 bar
Electrical rating: 6 A / 250 VAC
e.常州剑湖金城车辆设备有限公司
Pressure test device 901.21111L4
Switching points: -280 ±28 / -180 ±28 mbar
Diaphragm material: NBR
Pressure connection: Brass G 1/4
Max. positive working pressure: 1 bar
Max. negative working pressure: -1 bar
Electrical rating: 6 A / 250 VAC
f.北京森美瑞自动化设备有限公司
Vacuum pressure test device 901.21 121M4 SPDT
Pressure range: -35+-3.5 / -30+-3.5 kPa - black -
diaphragm material: NBR
pressure connection: brass G1/8
maximum positive working pressure: 4 bar
maximum negative working pressure: -1 bar
maximum electrical rating: 6 A / 250 VAC