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Industrial technology Mechanical pressure measuring instruments RF40 D231
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Images 7

RF40 D231

Rohrfeder-Standardmanometer Typ D2

Variants Documents

housing ⌀ (nominal size)40 mm
ConnectionG⅛B
alignmentcentre back
accuracy class1,6
standardEN 837-1

  • for pneumatic and heating system applications (NG 40 - 50 - 63)
  • for domestic technology and mechanical engineering applications (NG 80 - 100 - 160)
  • robust steel housing
  • window with adjustable reference pointer (NG 80 - 100)
  • with reference pointer on dial (NG 160)
  • Accuracy class 1.6
  • many customised versions available

For gaseous and liquid media which are not highly viscous, do not crystallise and do not attack copper alloys.
! For measuring gas or vapour, observe the table "Selection Criteria as per EN 837-2"!

RangeMounting typeTypePart number
-1/0 bar3-hole fixing, panel mounting bezelRF40 D23185001231
0/1 bar3-hole fixing, panel mounting bezelRF40 D23185010231
0/1.6 bar3-hole fixing, panel mounting bezelRF40 D23185011231
0/2.5 bar3-hole fixing, panel mounting bezelRF40 D23185012231
0/4 bar3-hole fixing, panel mounting bezelRF40 D23185013231
0/6 bar3-hole fixing, panel mounting bezelRF40 D23185014231
0/10 bar3-hole fixing, panel mounting bezelRF40 D23185015231
0/16 bar3-hole fixing, panel mounting bezelRF40 D23185016231
0/25 bar3-hole fixing, panel mounting bezelRF40 D23185017231
0/40 bar3-hole fixing, panel mounting bezelRF40 D23185018231
0/60 bar3-hole fixing, panel mounting bezelRF40 D23185019231
0/100 bar3-hole fixing, panel mounting bezelRF40 D23185020231
0/160 bar3-hole fixing, panel mounting bezelRF40 D23185021231
0/250 bar3-hole fixing, panel mounting bezelRF40 D23185022231
  • in-stock items
  • manufactured goods

Type
D2
Nominal size
40 - 40
accuracy class (EN 837-1/6)
1,6
ranges (EN 837-1/5)
see ordering table
application area
static load:
¾ x full scale value
dynamic load:
⅔ x full scale value
short-term:
Full scale value
Operating temperature range
Medium:
max. 60 °C
Ambient:
-20/+60 °C
Temperature performance
Indication error when the temperature of the measuring system deviates from the normal temperature of 20 °C:
bei Temperaturzunahme ca. ± 0,4 %/10 K,
falling temperature approx. ± 0.4 %/10 K
vom jeweiligen Skalenendwert
Degree of protection
IP 32 (EN 60529)

Standard design

Connection
Brass, centre back
Measuring element
Bourdon tube, Copper alloy
≤ 60 bar:
"C" type tube
> 60 bar:
helical tube
movement
Brass
Dial
NG 40: Kunststoff, weiß
Scaling
D231:
D231: dual scale, bar outer, black – psi inner, red
Pointer
NG 40: Kunststoff, schwarz
Housing
Stahlblech, schwarz
push on bezel
NG 40:
window
NG 40: Kunststoff, eingeclipst

Click the corresponding image for detail views, additional information and dimension tables.

NG 40/50/63 – centre back connection, 3-hole fixing, panel mounting bezel

PRO_TEC_BEP_RF40-50-63_D23X-D33X.TIF

854_017_0336-00.PDF

Rohrfeder-, Kapselfeder-, Plattenfeder-, Membranfedermanometer für Differenzdruck

Manuals
Industrial technology
PDF

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