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Last Updates: 06/08/2020
Brands:Baumer

Baumer Flextop 2221 Temperature Transmitter

Part Number: FlexTop 2221 Category:

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FlexTop 2221 is a 4…20 mA loop-powered, configurable universal transmitter with galvanic isolation between input and output. The input can be configured for RTD or T/C sensors, resistance, current or voltage signals.
Either 2-, 3- or 4-wire connection can be selected for the resistance input. The built-in temperature sensor or a remote Pt100 sensor can be used to compensate for “cold junction” (CJC) if thermocouples are connected. The HART® communication feature on-line process calibration and adjustment, transmitter configuration and multiple process control in 2-wire networks. The configuration can be established from a standard HART® configurator or the dedicated FlexProgrammer configuring tool connected to a PC.
FlexTop 2221 is embedded in silicone which makes it resistant to humid environments. FlexTop 2221 has a 6 mm center hole for fast sensor replacement and spring loaded mounting screws which ensure a safe fastening even in vibrating environments.

Field of Application

FlexTop universal temperature transmitter type 2221 is a compact temperature transmitter, designed to be built into the housing of a temperature sensor like the Baumer CombiTemp. The FlexTop 2221 features HART communication.

  • For RTD (resistance) or C/T thermocouple)
  • Input: RTD, T/C, mV and ohm
  • Measuring range -270 … +2300 °C
  • More accurate than 0.1 °C for Pt100
  • ATEX explosion protection
  • DIN form B housing installation
  • HART protocol
Ambient conditions
Degree of protection (EN 60529)
  • IP 10 , terminals
  • IP 55 , housing
Humidity
  • < 98 % RH , condensing
Long-term test (transmitter)
  • IEC 770 6.3.2
Output signal
Damping
  • 0.0 … 15.0 s , programmable
Characteristic
  • Linear or customised with max. 30 points
Output signal
  • 20 … 4 mA , 2-wire + HART®
  • 4 … 20 mA , 2-wire + HART®
Accuracy
  • < 0.1 % FSR
Response time, T90
  • ≤ 1.0 s , with Pt100
  • ≤ 1.6 s , with T/C
Temperature drift
  • < 0.003 %/K , typ.
  • < 0.01 %/K , max.
Load resistance
  • R = (U – 8 V)/23 mA
Resolution
  • 12 bit
Up/Down scaling limits
  • 23 mA / 3.5 mA
Ripple immunity
  • 3 Vrms
Power-up time
  • 1.8 … 3.9 s
Power supply
  • 8 … 35 V DC

Datasheet: Baumer Flextop 2221 Temperature Transmitter datasheet

Manual: Baumer Flextop 2221 Temperature Transmitter manual

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