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iTEMP TMT182B
Thermocouples as
Designation
per standard
• Internal reference junction (Pt100)
• External preset value: configurable value –40 to +85 °C (–40 to +185 °F)
• Maximum sensor wire resistance 10 kΩ
Voltage
Millivolt transmitter (mV)
transmitter (mV)
Output signal
Failure information
Load
Linearization/transmission
behavior
Filter
Protocol-specific data
Endress+Hauser
Measuring range limits
–20 to 100 mV
13.2
Output
Analog output
Signal encoding
Data transmission rate
Galvanic isolation
Failure information as per NAMUR NE43:
Failure information is created if the measuring information is missing or not valid. A
complete list of all the errors occurring in the measuring system is created.
Underranging
Overranging
Failure e.g. sensor failure; sensor short-circuit
R
= (U
- 10 V) / 0.023 A (current
b max.
b max.
output). Valid for head transmitter
Load in Ohm
U
= supply voltage in V DC
b
Temperature-linear, resistance-linear, voltage-linear
1st order digital filter: 0 to 120 s
Manufacturer ID
Device type ID
HART
®
specification
Device address in multi-drop mode Software setting addresses 0 to 63
Device description files (DTM, DD) Information and files available at:
HART load
4 to 20 mA, 20 to 4 mA (can be inverted)
FSK ±0.5 mA via current signal
1200 baud
U = 2 kV AC for 1 minute (input/output)
Linear decrease from 4.0 to 3.8 mA
Linear increase from 20.0 to 20.5 mA
≤ 3.6 mA ("low") or ≥ 21 mA ("high"), can be selected
(Ω)
1130
880
250
0
15.75 V
10 V
17 (0x11)
0x11D2
7
www.endress.com
www.fieldcommgroup.org
Min. 250 Ω
Technical data
Min. span
5 mV
U
30.25 V
36 V
(V DC)
b
A0048539
37
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