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14 Supplement
VEGAPULS 21 • Two-wire 4 … 20 mA/HART
58351-EN-191014
14 Supplement
14.1 Technical data
Note for approved instruments
The technical data in the respective safety instructions which are included in delivery are valid for
approved instruments (e.g. with Ex approval). These data can differ from the data listed herein, for
example regarding the process conditions or the voltage supply.
All approval documents can be downloaded from our homepage.
Materials and weights
Materials, wetted parts
Ʋ
Antenna
PP
Ʋ Process fitting
PP
Ʋ
Process seal
Klingersil C-4400
Materials, non-wetted parts
Ʋ
Housing
Plastic PBT (Polyester)
Ʋ
Housing seals
O-rings (silicone)
Ʋ
Cable gland
PA
Ʋ
Sealing, cable gland
NBR
Ʋ
Blind plug, cable gland
PA
Weight
0.7 kg (1.543 lbs)
Torques
Max. torque mounting boss
7 Nm (5.163 lbf ft)
Max. torque for NPT cable glands and
Conduit tubes
10 Nm (7.376 lbf ft)
Input variable
Measured variable
The measured variable is the distance between the
antenna edge of the sensor and the product surface.
The antenna edge is also the reference plane for the
measurement.