Safety-Related Characteristic Values - WIKA CPT7000-IS Betriebsanleitung

3. Safety

3.8 Safety-related characteristic values

Electrical parameters (4-wire circuit: power supply wires: „+", „-" = GND; data-wires: RXD,
TXD)
Parameters
Max. input voltage
Max. input current
Max. input power
Effective internal capacitance
Effective internal inductance
Max. cable capacitance
Max. cable inductance
Max. short circuit current in case of
dust application
Ambient temperature range = medium temperature
Parameters
Temperature class T1 to T4
Max. surface temperature T135 °C for dust
Ambient temperature range for high medium temperature
Parameters
Tempera- Max. medium
ture class temperature (°C)
T3 150
T4 120
T4 105
WIKA operating instructions, reference pressure sensor, model CPT7000-IS
Gas applications
U = DC 6,7 V
i
I = 400 mA
i
P = 250 mW
i
C = 4,4 nF
i
L negligible
i
C = 30 nF
c
L = 35 µH/m
c
-
Maximum ambient temperature (°C)
All models except
CPT7000-**-*****-**4
(Models without
cooling element)
N / A
30
40
Dust application
U = DC 6,7 V
i
I = 250 mA
i
P = 250 mW
i
C = 4,4 nF
i
L negligible
i
C = 30 nF
c
L = 35 µH/m
c
I = 250 mA
max
-20 °C ≤ T ≤ +80 °C
a
-20 °C ≤ T ≤ +80 °C
a
Models
CPT7000-**-*****-**4
(Models with cooling
element)
40
50
50
EN
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