MT-capsule gauge for low pressure   
PT NO.  6101A901A    
6101A901A90-SS1AI-CA10B-0A1A00
KPCh160-1
according to general view 6000
and data sheet : 6201
case and ring : stainless steel bayonet ring
nominal size : 160
process connection : brass bottom
Thread : 1/2" BSP with restrictor thread
range/unit: -6...4 kPa
logo:
Accuracy class :  1.6
Movement brass / german silver
Back flange for surface mounting (Rh)
Window instrument glass  
Manufacture : Armaturenbau GmbH