Glycerine fi lled Bourdon tube pressure gauges
Type D 7
Nominal size 80 – 100
Accuracy class (EN 837-1/6)
1.6
Ranges (EN 837-1/5)
-1/0 to -1/+15 bar
0/1 to 0/400 bar
Application area
Static load: ¾ x full scale value
Dynamic load: 2 / 3 x full scale value
Short-term: full scale value
Operating temperature range
Medium: Tmax= +60 °C
Ambient: Tmin = -20 °C
Tmax = +60 °C
Temperature performance
Indication error when the temperature of the
measuring system deviates from the normal
temperature of 20 °C:
rising temperature approx. ±0.4 %/10 K
falling temperature approx. ±0.4 %/10 K
of full scale value
Degree of protection
IP 65 (EN 60529)
with housing vent (≤ 25 bar): IP 54
Technical specifications
Standard version Connection
Brass, bottom NG 80-100 G½B –
spanner size SW 22
Brass, centre back NG 80 G¼B –
spanner size SW 14
NG 100 G½B – spanner size SW 22
(EN 837-1/7.3)
Measuring element
Bourdon tube, copper alloy
≤ 60 bar "C" type tube
> 60 bar helical tube
Movement
Brass
Dial
Aluminium, white
Dial marking black
Pointer
Aluminium, black
Housing
Stainless steel 304 with blow-out
Crimped bezel
Stainless steel 304
Window
Plastic
Filling liquid
Glycerine (99.5 %)
Options ■ Filling liquid silicone oil
■ Clamp fi xing
■ 3-hole fi xing, panel mounting bezel
■ Back fl ange
■ Crimped bezel polished
■ Measuring system stainless steel
(up to 1,000 bar)
■ Special scales
■ Throttle screw
■ Other process connections
