16
Output for supply external
transducers
24 V 5% 30 mA
Sustained overload
110% Un, 110% In
Short duration overload (1 s):
voltage input 10 Un
current input 5 In
7.2. Technical Data of
N24T and
N25T
Meters
Measuring range:
INPUTS:
Pt100:
-50
°
C...150
°
C
-50
°
C...400
°
C
current flowing through the sensor < 300 A
Resistance of wires connecting
the resistance:
5 by wire for the automatic
compensation
10 by wire for the manual
compensation
Temperature measurement
by thermocouple of J type:
-50
°
C...1200
°
C
Temperature measurement
by thermocouple of K type:
-50
°
C...1370
°
C
Basic error
(at manufacturer’s settings):
(0.2% of the range + 1 digit)
Additional errors in rated
operating conditions:
- compensation of cold junction
temperature changes
0.2% of the range
- compensation of wire
resistance changes
0.2% of the range
Output for the supply
of external transducers
24 V 5% 30 mA
Short duration overload (1 s):
inputs of sensors: 30 V
