Temperature Transmitter Flex Top 2222

In-head transmitter for CombiTemp- or OEM applications

• Universal transmitter with HART® communication

• Programmable through integrated USB port or HART® modem

• Sensor calibration for either offset, slope or polynomial adjustment

• Accuracy better than 0.1°C for RTD elements

• Automatic cable compensation calibration (2-wire)

• Fast sampling time < 50 ms

• Galvanic isolated

• ATEX and IECEx certified

Configure

Ambient conditions

Degree of protection (EN 60529)

• IP 55

Humidity

• < 98 % RH , condensing

Output signal

Damping

• 0 … 60 s

Characteristic

• Linear or customised with max. 30 points

Output signal

• 4 … 20 mA , 2-wire

• 20 … 4 mA , 2-wire

Accuracy

• < 0.025 % FSR

Step response time, T90

• < 450 ms

Temperature drift

• ± 0.01 %/K , max.

Load resistance

• Rs ≤ (V DC - 7 V)/0.023 A

Resolution

• 14 bit

Up/Down scaling limits

• 23 mA / 3.5 mA

Ripple immunity

• < 1 % FSR (1 Vrms, 50Hz...1kHz)

Effect of variations in supply voltage

• 0.001 %/V

HART® interface

Properties

• Read serial number

• Read/Change user ID

• Read/Change configuration

• Read input signal value

• Read output signal value

• Input signal logging

• 2-point sensor-trim

• For more information please see ‚HART Field Device Specification‘

Protocol

• HCF standard, Rev.7

• including „Temperature Device Family“ commands