Transmitters in a rail mounted housing from ABB are 2-channel devices providing two 4....20mA output signals. Due to this feature and their compact design these transmitters can be mounted in confined spaces like connector boxes or cabinets.
 | TR104 | TTR200 | TH102/TH102-Ex |
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| Input | | | |
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| RTD (e.g. Pt 100 ) | l | l | l |
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| Thermocouple | | l | l |
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| mV | | l | l |
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| Ohm | | l | l |
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| Output | | | |
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4...20 mA / HART
| l / - | l / l | l / l |
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| Product Features | | | |
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| Galvanic isolation | | l | l |
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| Programmable | | l | l |
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| Hardware write protection | | l | |
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| Function-LEDs | | l | |
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| Certificates | | | |
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| ATEX | l | l | l |
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| GOST | l | | l |
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