Cleaning of the sensor – M&C TechGroup KS 2.Ex Operator's manual User Manual
Page 13

13
Gas sampling and conditioning technology
5-5.3 ME
Technical data for switch amplifiers (techn. data sensor see page 5)
Evaluation for example by section switch amplifier KFA6-SR2-Ex1.W
Nominal revolutions according to DIN 19234 respectively Namur
Voltage U
O
10,6 V
Current I
0
19 mA
Power consumption P
0
51 mW
Data according to certificate of conformity for KS2.Ex
Voltage max. U
O
13,5V
Current max. I
K
31mA
Power consumption P
max
125mW
Permissible connection data
Class
EEx ia
IIB
EEx ia
IIC
Outer capacity max.
929nF
230nF
Outer inductivity max.
5mH
3mH
Permissible connection data
Class
EEx ib
IIB
EEx ib
IIC
Outer capacity max.
2929nF
609nF
Outer inductivity max.
115mH
31mH
Evaluation by section switch amplifier WE77/Ex1
Nominal revolutions according to DIN 19234 respectively Namur
No-load voltage U
AO
approx. 8V DC
Locked motor current J
AK
approx. 8mA
Forward break-over point J
S
1,2mA - 2,1mA
Switching hysteresis J
H
approx. 0,2mA
Data according to certificate of conformity
Voltage max. U
O
13,5V
Current max. I
K
31mA
Power consumption P
max
125mW
Permissible connection data
Class
EEx ia
IIB
EEx ia
IIC
Outer capacity max.
929nF
230nF
Outer inductivity max.
5mH
3mH
Permissible connection data
Class
EEx ib
IIB
EEx ib
IIC
Outer capacity max.
2929nF
609nF
Outer inductivity max.
115mH
31mH
10
CLEANING OF THE SENSOR
N O T E !
The plastic housing of the sensor has to be cleaned with a moist cloth.