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Details
MT182/182D/182DS Intelligent two-wire temperature transmitter (supports HART communication)
· Thermal resistance (RTD) or thermocouple (TC) input, 4~20mA output. Electrical isolation between input and output, HART communication, PC or mobile phone configuration, optional display components, flameproof enclosure.
· MT182 intelligent two-wire temperature transmitter, which can convert different types of input signals into standard 4~20 mA output signals.
· Input signal: RTD, thermocouple (TC), resistance (Ω), voltage signal (mV).
· The input signal is electromagnetically isolated from the output 4~20mA loop current signal.
· Two-wire transmission mode (The power supply does not output the signal as a common two wires).
· The temperature transmitter complies with the HART communication protocol.
· HART communication method: Isolated HART, zero to maximum load communication.
Model / selection table:
|
Option |
Model and code |
Description |
|
Model |
MT182 |
Intelligent two-wire temperature transmitter (supports HART communication) |
|
MT182D |
Intelligent two-wire temperature transmitter (supports HART communication) with display assembly |
|
|
MT182DS |
Intelligent two-wire temperature transmitter (supports HART communication), with display unit, with flameproof enclosure |
|
|
Service Code |
-QC9A |
Product Service Code |
|
Indication |
||
Technical data:
MT182 product structure:
|
Shell size |
Φ44×20 (mm) |
|
Housing Material / Color |
PC (Polycarbonate) / Lake Blue |
|
Whole machine weight |
About 40 grams |
|
Degree of protection |
IP00 / IP54 (determination of sensor protection level) |
|
Shock-resistant vibration |
4g/2 150Hz |
Environmental conditions:
|
Ambient temperature |
-20~＋70℃ |
|
Ambient temperature (storage or operation) |
-40~＋100℃ |
|
Condensation |
Allowed |
Input:
|
Input signal |
Thermal resistance (RTD), thermocouple (TC), resistance (Ω), voltage signal (mV) |
|
Measurement range |
Depends on sensor connection and input signal type |
|
Sensor type and Measuring range (see table below) |
|
|
Sensor type (index number) |
Measurement range |
Minimum range |
error (larger) |
|
Resistance signal (Ω) |
0~400Ω |
10Ω |
10mΩor0.08% |
|
Pt100 thermal resistance |
-2000~800℃ |
10℃ |
0.2℃ or 0.08% |
|
Type K thermocouple |
-200~1372℃ |
50℃ |
0.5℃ or 0.08% |
|
Type E thermocouple |
-200~1000℃ |
50℃ |
0.5℃ or 0.08% |
|
Type S thermocouple |
0~1767℃ |
500℃ |
1.4℃ or 0.08% |
|
Type B thermocouple |
400~1820℃ |
500℃ |
2℃ or 0.08% |
|
Type J thermocouple |
-200~1200℃ |
50℃ |
0.5℃ or 0.08% |
|
Type T thermocouple |
-250~400℃ |
50℃ |
0.5℃ or 0.08% |
|
Type R thermocouple |
0~1767℃ |
500℃ |
1.4℃ or 0.08% |
|
Type M thermocouple |
-200~1300℃ |
50℃ |
1℃ or 0.08% |
|
Voltage signal(mV) |
-10~100mV |
5mV |
0.08% |
Output:
|
Current output |
4~20mA |
|
Load resistance |
Max (power - 12V) / 22mA |
|
Output ripple |
<10mV p-p |
Power supply:
|
Output loop supply voltage |
12~30VDC (reverse connection protection) |
General parameters:
|
Standard accuracy |
Typical values±0.1%FS |
|
Thermocouple input cold junction compensation error |
0.5~1°C (compensation range -15~+75°C) |
|
Thermistor input wire resistance effect |
Thermal resistance three-wire input (≤10Ω/line), <±0.005 %/Ω |
|
Output resolution |
<3.8~100mV or 12.8Ω~400Ω range, 1μA |
|
Load change effect |
±2μA |
|
Thermistor input wire resistance effect |
Thermal resistance three-wire input (≤10Ω/line), <±0.005 %/Ω |
|
Temperature drift (Note) |
·-10~75 mV range: 0.0005% or 1.2μV (whichever is larger) |
|
Zero point migration range at RT input |
0~385Ω |
|
Zero shift range for thermocouple input |
-10~95 mV |
|
Output current zero migration range |
3.5~19mA |
|
Output current resolution |
3.8~100mV or 12.8~400Ω |
|
Power change impact |
0.01%/V |
|
Response time |
Thermocouple 1S, thermal resistance 1.5S |
|
Start delay time |
4s |
|
Electrical isolation |
Between input and output: 2500V AC RMS / 1 minute |
|
Long-term stability |
0.1 ° C / year or 0.05% / year, take the larger |
|
Electromagnetic compatibility (EMC) |
In accordance with IEC 61326-1 (GB/T 18268) |
|
Field device suitable for connection |
Thermal resistance or thermocouple temperature sensor, resistance signal, millivolt signal |
|
Mounting method |
Mounted in the standard junction box of the temperature sensor head (according to DIN 43 729 Form B)
|
Note:
Input drift + output drift = total drift, the effect of ambient temperature change of 1 °C.
The input drift is the part of the input signal drift below zero. For example, Pt100, the zero point of 0~100°C is 100Ω, the drift is input drift; the output value is 38.5Ω, and the drift is output drift. The total drift index is: 138.5X0.0015%=2mΩ, less than 4mΩ, taking 4mΩ, and the relative value of temperature drift is: 4mΩ/38.5Ω≈0.01%FS/°C.
Wiring parameters:
|
Rigid conductor cross section (min/max) |
0.5mm²/2.5mm² |
|
Flexible wire cross section (min/max) |
0.5mm²/2.5mm² |
|
Stripping length |
7mm |
|
Connection type |
M3 screw fastening connection |
|
Crew torque |
up to 0.8Nm |
Certification/standards:
|
CE certification |
Meet CE standards |
Product diagram / terminal wiring diagram:
Product Image Details
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