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The IPAQ-4L is a fully universal and intelligent four-wire
(mains powered) transmitter for temperature measurement and
signal conditioning applications. It is designed for wall and
DIN rail mounting. The high isolation of 4000V AC between
input, output and power supply provides safe and problem-free
measurements. The Window™-based and user friendly software,
IPRO 4, is used for transmitter configuration, documentation,
monitoring and calibration purposes.
The IPAQ-4L is designed for applications with standard
industrial demands on accuracy. To reach these demands, the
use of quality components and precision calibration equipment
reduce these linearity and calibration errors, and an internal
“self calibration” provides high long-term stability. These
transmitters offer two ways of improving the measurement with
temperature sensors: sensor error correction and system error
correction. Additionally, the SmartSense feature continuously
monitors the isolation resistance of thermocouples and
three-wire connected RTDs, as well as the cabling between
sensor and transmitter.
The IPAQ-4L monitors sensor break and forces the output
signal to a user defined level, when any sensor lead is broken
or disconnected. It can also be set to automatically provide a
recurring output signal of 0%, 50% and 100% of the selected
output signal regardless of the input value. The total time
for the controlled output is adjustable up to 30 minutes. The
dampening function can be used to dampen undesired
instabilities on the input signal. The dampening time is
approximately 2 seconds. The dampening time is the time
required, in addition to the update time, for the output to
reach 90% of its final value after a step change has been
applied to the input.
Designed to fit on a standard 35 mm rail, the transmitter
is also equipped with extractable brackets for wall mounting.
The IPAQ-4L is covered by a five-year warranty.
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