Technical data
Parameter
Data
•
Gaskets
Neoprene
•
Rubber cable bushings
EPDM 50
Temperature
•
Ambient
0 ... 55 °C (32 … 131 °F)
•
Storage
-25 ... +70 °C (-13 … +158 °F)
Environment class
EN 1434 class E1 / M1
Temperature input
Temperature range
(Absolute measuring range)
-9.9 ... 189.9 °C (14.18 … 373.82 °F)
Temperature difference
Start 0.1 K, min. 3 K, max. 177 K
Sensor types
Pt 100 or Pt 500 with 2-wire leads, cable
length < 10 m, standard setting: Pt 500,
selection by order code and shown at the
device label (only Pt 500 types are
available)
Sensor connection
4-wire (prepared as 2-wire)
Measurement resolution
0.1 °C (0.18 °F)
Flow input (In 0)
Pulse value
0.1 to 10000 l/pulse, selection by
order code. Will be shown at the
device label (only Pt 500 types
are available)
Pulse frequency
≤ 100 Hz
Flow range
Q
max
≤ 9 999.9 m3/h
Pulse ON-time
≥ 4 ms
Pulse OFF-time
≥ 6 ms
Type
Active or passive pulse input
External voltage supply (active
pulse input)
Max. 3.6 V DC (min. 3.0 V DC) and max
up to the power supply module version,
e.g. 3.0 V DC
Flowmeter installation place
Hot line or cold line ("forward or reward
pipe"), selection by order code.
The "inst. place" will be shown at the
device label.
Slots for option
modules
Type
The calculator features 2 slots for optional
plug-in modules, one slot for a function
module and the other for a communication
module.
Function modules
Pulse input module, 2 inputs(In1, In2)
Pulse output module, 2 outputs (Out1,
Out2)
Combination module of 2 inputs (In1, In2)
and 1 output (Out1)
Communication modules
M-Bus or RS 232
Pulse output
Type
Passive "open collector" pulse output,
outputs potential isolated to each other
SITRANS FUE950
58
Operating Instructions, 01/2010, SFIDK.PS.022.F4.02