The National Instruments PXIe-4353 is a PXI Temperature Input Module with 32 differential thermocouple input channels, built-in isothermal terminal block, 300 V analog input isolation, and a maximum sample rate of 90 S/s
The National Instruments PXIe-4353 PXI Temperature Input Module, with part number 781348-01, is designed to deliver high-performance temperature measurements through its 32 differential thermocouple analog input channels, 2 auto zero channels, and 8 CJC channels. It features 300 V analog input isolation and a built-in TB-4353 isothermal terminal block to ensure maximum conductivity and accurate readings.
This robust module operates in a scanned sampling mode and utilizes a Delta-Sigma ADC type to achieve a maximum sample rate of 90 S/s with a voltage measurement range of ±80 mV. The differential input impedance is rated at 20 mega-ohms, and it offers excellent DC linearity, with a typical value of 20 ppm and a maximum of 60 ppm.
Enhanced features include software-selectable open thermocouple detection, which helps in identifying disconnected thermocouples, and varying input current levels with 17 Nano-amperes when OTD is enabled and 400 Pico-amperes when disabled. This level of detail and customization ensures that the PXIe-4353 module can be finely tuned to meet the needs of complex and sensitive temperature measurement tasks.
Specification
Detail
Part Number
781348-01
Product Name
National Instruments PXIe-4353 PXI Temperature Input Module
Number of Channels
32 thermocouple analog input channels (differential), 2 auto zero channels, 8 CJC channels
Analog Input Isolation
300 V
Terminal Block
Built-in TB-4353 isothermal terminal block
Sampling Mode
Scanned
ADC Type
Delta-Sigma
Maximum Sample Rate
90 S/s
Voltage Measurement Range
±80 mV
Differential Input Impedance
20 mega-ohms
DC Linearity (Typical)
20 ppm
DC Linearity (Maximum)
60 ppm
Open Thermocouple Detection
Software selectable
Input Current (OTD Enabled)
17 Nano-amperes
Input Current (OTD Disabled)
400 Pico-amperes
Question 1: What type of analog input isolation voltage does the National Instruments PXIe-4353 PXI Temperature Input Module feature to ensure accurate temperature measurements? Answer 1: The National Instruments PXIe-4353 PXI Temperature Input Module features 300 V analog input isolation to ensure accurate temperature measurements.
Question 2: What are the features and specifications of the National Instruments PXIe-4353 PXI Temperature Input Module, including its input channel configuration, isolation voltage, terminal block, sampling mode, and linearity performance? Answer 2: The National Instruments PXIe-4353 PXI Temperature Input Module features 32 differential thermocouple analog input channels, 2 auto zero channels, and 8 CJC channels, with 300 V analog input isolation, a built-in TB-4353 isothermal terminal block, operates in a scanned sampling mode using a Delta-Sigma ADC type, and offers a maximum sample rate of 90 S/s, with a voltage measurement range of ±80 mV, differential input impedance of
Question 3: What is the differential input impedance and DC linearity specifications of the National Instruments PXIe-4353 PXI Temperature Input Module, and how does the software-selectable open thermocouple detection feature contribute to its performance? Answer 3: The National Instruments PXIe-4353 PXI Temperature Input Module offers 32 differential thermocouple analog input channels, 2 auto zero channels, 8 CJC channels, 300 V analog input isolation, a built-in TB-4353 isothermal terminal block, scanned sampling mode, Delta-Sigma ADC type, software-selectable open thermocouple detection, and can detect varying input current levels, providing a comprehensive solution for precise and customizable temperature measurements.
Question 4: What are the capabilities and features of the National Instruments PXIe-4353 PXI Temperature Input Module, including its input channels, isolation voltage, terminal block, sampling mode, ADC type, and open thermocouple detection functionality? Answer 4: The differential input impedance of the National Instruments PXIe-4353 PXI Temperature Input Module is rated at 20 mega-ohms, and it offers excellent DC linearity with a typical value of 20 ppm and a maximum of 60 ppm; the software-selectable open thermocouple detection feature enhances its performance by enabling the identification of disconnected thermocouples, which is crucial for maintaining accurate temperature measurements in sensitive applications.
Question 5: What type of ADC does the National Instruments PXIe-4353 PXI Temperature Input Module use to achieve its maximum sample rate of 90 S/s, and what is its differential input impedance? Answer 5: The National Instruments PXIe-4353 PXI Temperature Input Module uses a Delta-Sigma ADC to achieve its maximum sample rate of 90 S/s, and its differential input impedance is rated at 20 mega-ohms.
