Honeywell temperature transmitter stt850 overview
A performance temperature transmitter, the STT850 is a part of the SmartLine® product family. offers excellent stability and accuracy in measurements across a broad range of process and ambient temperatures.
Smartline completely tests and complies with experion® pks for compatibility assurances and integration capabilities. Smartline products easily meet applications requiring temperature measurement.
property:
● RTD’s digital precision is 0.10°C; ● Stability: 0.01% of URL annually for ten years; ● Update times: 125 ms for single input models and 250 ms for dual input models
Accurate measurement
Features include: ● Built-in electrical isolation function; ● Ability to measure temperature differences, averages, redundancies, and segments; ● Double room construction; ● With sensor break detection function; ● Comprehensive self-diagnosis function; ● Fully complies with SIL 2/3 criteria.
Temperature transmitter STT850
Minimal ownership costs: Multiple temperature sensor input options exist, including a dual sensor input option.; and there are numerous local display functionalities.
● External functions for zero, range, and configuration; modular structure
● Random connection polarity of the power supply
● Change the output settings
Options for output and communication:
● ITK 6.1.1 compliant FOUNDATIONTM Fieldbus ● 4–20mA dc ● Honeywell Digital Augmentation (DE) protocol ● HART® (Version 7.0)
The communication protocols listed above offers all temperature transmitters.
Guidelines
Smartline temperature transmitters achieve outstanding performance throughout a wide range of ambient temperatures through their design and manufacturing process.The transmitter accounts for the effects of ambient temperature and achieves overall accuracy even in challenging conditions.
displays options for the table heading
There are two types of LCD display heads for the STT850 modular design: a standard alphanumeric LCD display head and a special graphic LCD display head. basic watch head features of an alphanumeric LCD display.
● Modular (can add or disassemble on site)
● 0, 90, 180 and 270 degree position adjustment
● ° C, °F, °R, K, Ω, mV, %, mA and other measuring units
● 2 lines, 16 characters each (H 4.13mm x W 1.83mm)
● Up to 8 display screens can cycle
● Configurable screen cycle time (3 to 30 seconds)
● Screen loop can select automatically/manually
● Up to 9 data points can display – including loop process variables (PV), cold end temperature
Degree, Sensor 1, sensor 2, sensor temperature difference, RTD1 resistance, RTD2 resistance, loop output, loop percentage.
● If out of range, instructions will be provided
Process measurement (PV) status and critical error indication
Graphic LCD displays the watch head characteristics
● Modular (can be added or disassembled on site)
● 0, 90, 180 and 270 degree position adjustment
● Up to 8 displays in 3 formats, with large PV values or strips of bar charts
PV value of the trend chart
● Configurable screen cycle time (3 to 30 seconds)
● Provide diagnostic information quickly
● Multi-language display
Tool for configuration
Three-button configuration options integrated
The SmartLine transmitter may be customized with three external buttons, and it is appropriate for electrical and environmental requirements. Regardless of the display head chosen, these buttons allow you to alter the zero position and range, regardless of whether the display head is selected.
Portable configuration instrument
The operator and the transmitter can configure and communicate in both directions using the SmartLine transmitter. Honeywell’s Multi-protocol Communicator (MCT) for field requirements enables this. MCT is applicable in intrinsically safe environments and has the capability to configure DE and HART transmitters in the field.
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