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National Instruments PXIe-4353 PXI Temperature Input Module

The PXIe-4353 (Part Number: 781348-01) is a 32 thermocouple analog input channel (differential) Temperature Input Module from NI. It has an analog input isolation of 300 V. This module also incorporates 2 auto zero and 8 cold junction compensation channels. This module accomplished temperature measurements with high accuracy. The NI PXIe-4353 Temperature Input Module has a built-in TB-4353 isothermal terminal block for maximum conductivity to achieve high performance. It is located between the terminals of thermocouple and CJC channels. The sampling mode that is implemented by the device is scanned. It also incorporates an analog to digital converter, which is the Delta-Sigma type. The maximum sample rate offered by the PXIe-4353 module is 90 S/s.

The NI PXIe 4353 has the voltage measurement range of ±80 mV. The value for the differential input impedance of the instrument is 20 mega-ohms. The typical value for DC linearity is 20 ppm. It has the maximum value of 60 ppm. The instrument implements an open thermal couple detection feature for measurements, which is software selectable. The user can select it for each module. The input current in OTD enabled mode is 17 Nano-amperes, while the value in OTD disabled mode is 400 Pico-amperes. The National Instruments PXIe-4353 Temperature Input Module offers a full NIST temperature range.

The PXIe-4353 is run using the NI-DAQmx driver software which is compatible with software packages/application development environments such as LabVIEW, LabWindows/CVI, or Measurement Studio.

The NI PXIe-4353 module has the channel to channel voltage range of ± 10 volts for the common mode of operation. The voltage range of the instrument for the channel to earth ground is ± 300 volts. The channel to common mode rejection ratio is 100 dB. The instrument also incorporates an overvoltage protection feature.

The NI device weighs 4.9 oz, and measures 6.3 x 3.9 in. in physical dimensions. It has a recommended operating temperature range of 0 °C to 55 °C, and a storage temperature range of -40 °C to 71 °C. The NI device has a recommended warm-up time of 15 minutes, and should be calibrated at least once a year.