Trafag Vietnam PRESSURE SWITCH & INDIC.
Model No: 8864.83.23.11.38.1923 (8864.83.23.11.38.19.23)
Range: 0.00 … 100.00 Bar
Power Supply: 11 … 32 VDC
Setpoint: SP1 ON 33 Bar
              SP1 OFF 32 Bar 
Trafag Vietnam PRESSURE SWITCH & INDICATOR
Model: 8864.79.23.11.38.1923 (8864.79.23.11.38.19.23)
RANGE: 0-16 BAR
Power Supply: 11 … 32 VDC
Setpoint: SP1 ON 3.2 Bar
              SP1 OFF 3.0 Bar
Trafag Vietnam PRESSURE SWITCH & INDIC.
Model No.: 8864.78.23.11.38.1923 (8864.78.2311)
Range: 0.00 … 10.00 Bar
Power Supply: 11 … 32 VDC
Setpoint:  SP1 ON  5.4 Bar              
               SP1 OFF 5.2 Bar 
Trafag Vietnam S/N.: 040425.0.00.01-004
Type: 8774.50.2300
Range: 0...50Kg        FS6/m3/10…255
Out: (blue)
Us=10…20VDC (brown)
Trafag Vietnam Pressure switch
Type: 900 2678
Range: 1-10 Bar<!
Note: Pls confirm more details information or Series No