3
Technical Data
General
Environment class
A (EN 1434) for indoor installation
Mechanical class
M1 *)
Electromagnetic class
E1 *)
*) according to 2004/22/EC Directive on Measuring Instruments
Ambient humidity
<93 % rel. humidity at 25 °C, without
condensation
Max. height
2000 m above sea level
Storage temperature
-20 … 60 °C
Electronic unit
Ambient temperature
5 … 55 °C
Housing protection rating
IP 54 according to EN 60529
Safety class
Line 110 / 230 V AC
II according to EN 61558
Line 24 V ACDC
III according to EN 61558
Operation threshold f.
∆
T
0.2 K
Temperature difference
∆
T
3 K … 120 K
Temperature measurement range
0 ... 180 °C
LCD
7 digit
Optical interface
Standard, EN 62056-21
Communication
Optional, e.g. M-Bus
Separability
Always, optional cable length
Battery
3.6 V DC Lithium
Power supply
230 / 110 V AC 50 / 60 Hz
24 V AC / DC 50 / 60 Hz
Power input
<0.8 W
Temperature sensor
Type
Pt 500 or Pt 100 according to
EN 60751
Pulse input
Pulse input
IB / IC according to EN1434
Pulse length
min. 10 ms
Pulse frequency
max. 50 Hz
Pulse wire length
max. 20 m (recommended)
