FlexTop 2202 Temperature Transmitter
FlexTop 2202 is a loop powered 4 to 20 mA temperature transmitter designed for Pt100 sensors. It supports 2 wire, 3 wire and 4 wire RTD inputs, PC based configuration, data logging, cable resistance compensation and reliable operation in humid and vibrating industrial environments.
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A. Product Overview
The FlexTop 2202 Temperature Transmitter is a compact head mounted transmitter used with Pt100 temperature sensors. It converts the Pt100 sensor signal into a standard 4 to 20 mA loop powered output, making it suitable for industrial temperature measurement and process monitoring applications.
The transmitter supports 2 wire, 3 wire and 4 wire Pt100 sensor connections. For 2 wire sensors, cable resistance can be automatically balanced by shorting the sensor cable, and it can also be manually configured when required. This helps improve measurement accuracy where cable resistance may affect the signal.
FlexTop 2202 can be configured using a PC, Windows based Flex-Program software and a FlexProgrammer configuration unit. Important parameters such as tag number, number of wires, cable resistance, error detection level, measuring range, measuring unit, damping, offset and status indication can be set through the output connectors using two way communication.
The transmitter is embedded in silicone, which makes it resistant to humid environments. It fits into a DIN B housing and includes a 6 mm center hole for quick sensor replacement. Spring loaded mounting screws provide secure fastening, even in applications with vibration.
B. Working Principle
FlexTop 2202 works by receiving the resistance signal from a Pt100 RTD sensor. As temperature changes, the resistance value of the Pt100 sensor changes. The transmitter reads this resistance change and converts it into a proportional 4 to 20 mA analog output signal.
This 4 to 20 mA signal can then be sent to PLCs, controllers, indicators, data loggers, recorders, SCADA systems or other process control equipment. The loop powered design means the transmitter receives power from the same current loop used for signal transmission, reducing wiring complexity.
The transmitter also allows cable resistance compensation, damping, offset correction and error detection settings. These functions help maintain accurate and stable temperature readings in industrial installations.
C. Why It Is Used
FlexTop 2202 is used to convert Pt100 temperature sensor signals into a reliable 4 to 20 mA process signal. This makes temperature readings easier to transmit over longer distances and easier to integrate with automation systems.
It is useful where direct Pt100 sensor wiring may be affected by cable resistance, electrical noise, humid surroundings or vibration. By mounting the transmitter close to the sensor inside a DIN B head, the weak sensor signal is converted into a strong industrial current output.
It is commonly used for process temperature monitoring, machine temperature measurement, HVAC systems, industrial utilities, plant automation, calibration setups and applications where accurate Pt100 signal transmission is required.
D. Suitable Buyers
FlexTop 2202 Temperature Transmitter is suitable for:
Industrial automation companies
Process instrumentation engineers
Panel builders
PLC and SCADA system integrators
Machine manufacturers
OEM equipment manufacturers
HVAC contractors
Pharmaceutical plants
Food and beverage industries
Chemical process plants
Utility and boiler system users
Maintenance and plant engineering teams
Temperature sensor dealers and distributors
Calibration and testing service providers
FAQ
1. What is FlexTop 2202 used for?
FlexTop 2202 is used to convert Pt100 temperature sensor input into a standard 4 to 20 mA output signal for industrial temperature measurement and process control.
2. Which sensor input does FlexTop 2202 support?
FlexTop 2202 supports Pt100 RTD sensors with 2 wire, 3 wire and 4 wire connections.
3. Is FlexTop 2202 loop powered?
Yes, FlexTop 2202 is a loop powered temperature transmitter with 4 to 20 mA output.
4. Can cable resistance be compensated in FlexTop 2202?
Yes, cable resistance can be automatically balanced for 2 wire sensors with a shorted sensor cable. It can also be manually configured.
5. How is FlexTop 2202 configured?
It can be configured using a PC, Windows based Flex-Program software and a FlexProgrammer configuration unit.
6. Which parameters can be configured in FlexTop 2202?
The user can configure tag number, number of wires, cable resistance, error detection level, measuring range, measuring unit, damping, offset and status indication.
7. Does FlexTop 2202 support data logging?
Yes, the Flex-Program software includes a data logging facility that helps monitor measuring results and calibrate the measuring setup.
8. Is FlexTop 2202 suitable for humid environments?
Yes, FlexTop 2202 is embedded in silicone, making it resistant to humid environments.
9. Can FlexTop 2202 be used in vibrating environments?
Yes, the spring loaded mounting screws provide safe fastening, even in vibrating industrial environments.
10. Where is FlexTop 2202 mounted?
FlexTop 2202 fits into a DIN B housing and is commonly mounted inside a temperature sensor head.
11. Why should I use a temperature transmitter instead of directly connecting a Pt100 sensor?
A temperature transmitter converts the Pt100 resistance signal into a stronger 4 to 20 mA signal, which is better for long distance transmission and integration with industrial control systems.
12. Who should buy FlexTop 2202?
It is suitable for industries, OEMs, automation engineers, panel builders, system integrators, maintenance teams and temperature sensor suppliers who need reliable Pt100 signal conversion.