User Manual EE431
Duct and Immersion Temperature Sensor | 20
8 Technical Data
Measurands
Temperature (T) - Active
Measuring range
Duct sensor (probe tip)
With immersion well (probe tip)
-40 °C…+110 °C (-40...+230 °F)
-40 °C…+130 °C (-40...+266 °F)
Accuracy
@ 20 °C (68 °F)
Optional for analogue output
±0.25 °C (0.36 °F)
±0.1 °C (±0.18 °F)
1)
1) Uncertainty of factory calibration at 20 °C ±0.1 °C (68 °F ±0.18 °F).
Temperature (T) - Passive
Measuring range
Duct sensor
Immersion Sensor with Pt and Ni T sensor
-40 °C…+110 °C (-40...+230 °F)
-40 °C…+150 °C (-40...+302 °F)
Sensor type
Nominal resistance
Sensitivity
Standard
Pt100 DIN B
R
0
: 100 Ω
TC: 3.850 x 10
-3
/°C
DIN EN 60751
Pt1000 DIN B
R
0
: 1000 Ω
TC: 3.850 x 10
-3
/°C
DIN EN 60751
NTC10k B3950
R
25
: 10 kΩ ±0.5 %
B
25/85
: 3989 K
(B
25/50
: 3950 K ± 1.0 %)
-
NTC20k B4286
R
25
: 20 kΩ ± 0.2 °C
B
25/85
: 4286 K
(B
25/85
: 4286 K ± 1.0 %)
-
Ni1000 TK6180 DIN B
R
0
: 1000 Ω
TC: 6180 ppm/K
DIN 43760
Ni1000 TK5000 DIN B
R
0
: 1000 Ω
TC: 5000 ppm/K
DIN 43760
Outputs
Analogue
Analogue output
0 - 10 V
-1mA < I
L
< 1 mA
I
L
= load current
4 - 20 mA (2-wire)
R
L
≤ 500 Ω
R
L
= load resistance
Digital
Digital interface
RS485 (EE431 = 1 Unit Load)
Protocol
Factory settings
Supported Baud rates
Measured data types
Modbus RTU
Baud rate see order information, data bits 8, parity even, 1 stop bit, Modbus address 66
9 600, 19 200 und 38 400
FLOAT32 and INT16
Protocol
Factory settings
Supported Baud rates
BACnet MS/TP
Baud rate see order information, data bits 8, parity none, 1 stop bit, BACnet address 66
9 600, 19 200, 38 400, 57 600, 76 800 und 115 200
T Sensor Passive
Sensor connection
2-wire connection
Measuring current,
typ.
<1 mA (according to technical data of the specific T sensing element)
