JUMO ecoTRANS Lf 03, Operating Manual

Page: 65 / 68

65
Open-collector output
contact rating: 100 mA, 35 V DC with resistive load,
voltage drop in the switched state
≤
1.2V, not short-circuit proof
A/D converter
resolution 14 bit
Sampling time
500 msec = 2 measurements per second
Ambient temperature error
≤
0.5%/10 °C
Measuring circuit monitoring
conductivity input:
out-of-range, short-circuit
temperature input:
out-of-range, probe short-circuit, probe break
In a fault condition, the outputs adopt a defined (configurable) state.
Data backup
EEPROM
Supply voltage
20 — 30V DC, ripple < 5%
power drawn
≤
3 W,
with reverse-polarity protection
Electrical connection
screw terminals up to 2.5 mm
2
Permissible ambient temperature
operating temperature range: 0 to +50°C
functional temperature range: -10 to +60°C
Permissible storage temperature
-25 to +75°C