5 | Technical Data
FISCHER Mess- und Regeltechnik GmbH
20/28
BA_EN_ME50_ATEX
5.3 Output parameters
The ME50 versions differ in the number and type of outputs available (see order
code):
Analog output
0/4 … 20 mA
Load
R
L
≤ ((U
b
– 10 V) * 50 Ω) + 300 Ω
Current limitation
approx. 26 mA
Switching output
0 ... 2 Photo MOS relay not short-circuit proof, thermally protected
Contact
U
max
I
max
R
ON
potential-free (AC/DC)
30 V
200 mA
< 1 Ω
PNP/NPN switching (DC)
U
b
200 mA
< 1 Ω
5.4 Measurement accuracy
Accuracy
± 0.2% of measuring range (FS)
*)
Temperature drift
± 0.01% FS/K
Zero point
Measuring range
Temperature error band over the com-
pensated temperature range
Compensated measuring range
-10 °C … +70 °C
Long-term stability
< ±0.1 % FS/year
*)
Includes non-linearity, hysteresis, non-repeatability, zero and full scale devi-
ation. Calibrated in vertical mounting position with process connection down-
wards.
5.5 Auxiliary energy
WARNING
Supply circuit
A CE-conform mains adapter with a slow 200 mA fuse only may be used in the
power supply circuit.
Rated voltage
24V DC
Perm. operating voltage
12 … 30 V DC
Power consumption
< 1 W