Vacuum Meter With Limit Contacts; Vacuum Sensors; Dimensioned Drawing; Measuring Transducer - Grundfos Vaccuperm VGS-141 Instrucciones De Instalación Y Funcionamiento

3.2.4 Vacuum meter with limit contacts

Measuring
-10 to 0 m WS rel.
range
slow-motion contacts S 21 according to DIN
16085 (E)
Limit
1st limit contact: break contact (opens when the
contact
specified value is passed clockwise)
outputs
2nd limit contact: make contact (closes when the
specified value is passed clockwise)
ohmic
voltage
load
Permissible
230 V AC 45 mA
contact load
110 V AC 90 mA
24 V DC 200 mA

3.2.5 Vacuum sensors

Measuring range -1 to 0 bar rel.
4-20 mA
Current output 4 mA equals to -1 bar
20 mA equals to 0 bar
Power supply 24 V DC
Neccessary cable for 2-wire, shielded, order no. 96687719
current signal (321-130)

3.3 Dimensioned drawing

52,5 52,5
505
325 325
Fig. 15 Dimensional drawings of gas dosing systems VGS-141, VGS-143 and VGS-145
14
inductive load in case of
alternating current (cos >
0.7)
25 mA
45 mA
-
610

3.2.6 Measuring transducer

1:10
Below a dosing flow of 10 % no precise
Measuring range measurement is possible. The current
signal 4 mA may probably not be
reached at a dosing flow of 0 %.
< ± 4 % from upper limit of the measuring
Deviation of linearity
range
4-20 mA
Current output 4 mA equals to 0 % dosing flow
20 mA equals to 100 % dosing flow
Power supply 24 V DC
600 
Maximum load
Power consumption > 0.5 W
Degree of protection IP65
Degree of protection 0 °C to + 60 °C

3.2.7 Measurement and Control Electronics Conex

• See operation manual of measuring amplifiers and controller
®
Conex DIA-2Q or controller Conex
30
50
®
DIS-2Q.
390
375 45
450