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Panel Mount Smart Temperature Transmitter 4 to 20 mA + HART

The Digital Temperature Transmitter TT411 is the cost effective solution for temperature measurement and control dedicated for panel mounting.

The Smar TT411 is a powerful and extremely versatile programmable temperature transmitter, which can be used with practically all relevant temperature sensors as well as with load cells, resistance position indicators, etc.

A same unit can be used for different measuring ranges and many types of sensors reducing drastically calibration and maintenance time.

Complete configuration is possible using PC software interface (CONF401) or via Hand-Held (HPC401). Configured to customer specs, prior to shipping.


Some Characteristics:

Output Signal
Two-wire, 4-20 mA with HART superimposed digital communication protocol Version 5.1.Output current according to NAMUR-NE43.
Power Supply
12-45 Vdc
Single unit accepts signal from:
  • Thermocouples, RTD's and Differential RTD's

  • mV signals from radiation pyrometers, load cells, etc

  • Ohm signals from position indicators, etc
Factory tested isolation for 1500V
±0.02 % basic accuracy
Measured Types
  • Single sensor: 2, 3, or 4 wire configurations
  • Dual Sensor

  • - Differential
    - Average
    - Maximum
    - Minimum
Complete configuration is possible using PC software interface or via Hand-Held
With applied reference and without reference.
Access Protection
Yes, via passwords
Yes, via communication.
Control Block
Yes, via PID function.
Setpoint Generator function
Yes, ideal for batch processes.
Dual, trip levels adjustable over entire range.
High or Low action.
Acknowledge, messaging
Linearization international standards and custom calibration according to Callendar Van Dusen
Temperature Limits
Ambient: -40 to 75 ºC (-40 to 167 ºF)
Humidity Limits
10 to 100% RH
Fast snap-on DIN mounting rail assembly. Low cost panel installation.



Library Lists:

- DD HART (275/375 Programming) - For more details about DDs in 275/375 Programming, contact Hart Foundation (www.Hartcomm.org)
- LD301DTM version 2.02
- LD291DTM version 2.01
- FY301DTM version 2.03
- TT301DTM version 2.02
- DT301DTM version 2.01
- TP301DTM version 2.01
- LD400DTM version 1.01
- FY400DTM version 1.03

For download DD, DTM and GSD files of SMAR products, click here.



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