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Electronic thermostat Smart Temp TST HONEYWELL / FEMA

Honeywell FEMA’s TST…R series thermostats require adjustment (configuration and parameterization) in only two modes (the basic mode and the expert mode) and are suitable for the precision-...

Honeywell FEMA’s TST…R series thermostats require adjustment (configuration and parameterization) in only two modes (the basic mode and the expert mode) and are suitable for the precision-adjustment and monitoring of medium temperatures in the fields of plant construction, fluidics, process technology, and pneumatics, as well as in the monitoring and control of furnaces, heating units, and process temperatures, as well as for applications in the field of frost protection.


Product comparison
Model Temperature
range
Sensor immersion
depth (mm)
Line length
TST050G12100-R -50 … +50°C  100 built on
TST050G12250-R -50 … +50°C  250 built on
TST200G12100-R -50 … +200°C  100 built on neck-tube
TST200G12250-R -50 … +200°C  250 built on neck-tube
TST200EPT1K-R -50 … +200°C  n.a. external, w/ cable*
TST400EPT1K-R -50 … +400°C  n.a. external, w/ cable*
* Sensors not included in delivery.
Electronic thermostat Smart Temp TST HONEYWELL / FEMA

Smart Temp TST Honeywell / FEMA thermostats provide sufficient accuracy (0.5% of the final value) for measurement monitoring in many laboratory applications. Models with built-on sensors for a tem-perature range of -50…+200 °C and models with an ex-ternal sensor for a temperature range of -50…+400 °C are available. Customized PT1000 precision class-A sensors can also be employed in the aforementioned temperature ranges.
The TST…R Honeywell / FEMA thermostats are screwed directly into the pressure line or the boiler’s (medium container’s) con-nection nozzle. Built-on or external PT1000 accuracy class-A sensors are used to monitor gaseous media and high-viscosity liquids. The sensor signal can be used for both single/two-channel switching functions (with freely-configurable switch-point and reverse switch-point) and analog signals (0…10 V and 4…20 mA). As soon as the sensor is screwed into place and connected with the power supply, the LCD display screen indicates the temperature as a 4-digit digital value and as an analog value (bar graph). Two LED’s provide information on the switching status of the outputs and on the alarm status. The thermostats are configured and parameterized using the large rotary/push button. The user can move from screen to screen and enter values and/or change con-figurations by rotating the button. Values and configurations are confirmed and/or stored by pressing this button. Parameterization and configuration are performed in only two modes (the basic mode and the expert mode).

Parameter Value
Protection class IP65
Housing material polybutylene terephtalate (PBT)
Ambient temperature -20 ... +60°C
Storage temperature -35 ... +80°C
Temperature, medium -50 ... +400°C (depending on model)
Relative air humidity 0 ... 95%, non-condensing
Optional functions • Applicable parameter settings:
• Switching Set / Reset points
• Filters
• Analog output range
• Electrical drag indicator
• Applicable configurations:
• Max-Min, Window monitor
• Analog output signal
• Temperature unit
• Simulation mode
• Plugs have to be ordered separately
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