Special features
High switching reliability and long service life
Design per EN 837-1
Pressure indication over 270 angular degrees
Preset contact (adjustable between 10 and 90 % of the scale range)
Description
Design
per EN 837-1
Nominal size in mm
40, 50
Accuracy class
2.5
Switch point tolerance
±4 % of full scale value factory-set
Scale ranges
0 ... 2.5 to 0 ... 400 bar
Pressure limitation
Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: Full scale value
Permissible temperature
Ambient: -20 … +60 °C
Medium: +60 °C maximum
Temperature effect
When the temperature of the measuring system deviates
from the reference temperature (+20 °C):
max. ±0.4 %/10 K of the span
Process connection
Cu-alloy, male thread lower mount or centre back mount
Pressure element
Cu-alloy
≤ 100 bar: C-type
> 100 bar: Helical type
Movement
Cu-alloy
Dial
Aluminium, white
Pointer
Plastic, black
Case
Plastic
Window
Polycarbonate
Ingress protection
IP 41 per EN 60529 / lEC 529
Helium leak test
Leak rate 10-5 mbar*l/s
Electrical data
Switching voltage: DC / AC 4.5 ... 24 V
Switching current: 5 ... 100 mA
Contact load: max. 2.4 W
Switch contact: Normally closed (NC) or normally open (NO)

Contact setting: To customer requirements (if not specified, to mean value of the scale range)
Contact adjustment: Adjustable between 10 and 90 % of the scale range
Potential-free
Electrical connection
Cable outlet, standard length 2 m
Options
Other process connection
Other scale ranges
Other cable length
Dimensions in mm
Standard version

Ordering information
Model / Nominal size / Scale range / Connection size / Connection location / Switch point and function / Options