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SCXI-1303 NI
SCXI-1303是NI（美国国家仪器）推出的一款温接线端子，专为高精度热电偶温度测量应用而设计。
规格：
部件号：777687-03
通道数：32
兼容SCXI模块：SCXI-1100/1102/1102B/1102C
温度范围：0至55°C
输出电压范围：0.58至1.91 V
精度：在15至35°C范围内为0.5°C，在0至15°C范围内为0.9°C，在35至55°C范围内为±35至55°C
偏置电阻：10Ω和10MΩ可选
作用特征：
SCXI-1303具有一个精确的热敏电阻冷端温度传感器和一个等温铜层，这有助于减少在测量时的温度梯度。此外，它还具备上拉和偏置电阻，可以在开路通道上施加+5V电压来使通道饱和。该器件还配备有热敏电阻冷端传感器，具有高精度，尤其在15至35°C范围内。
应用领域：
SCXI-1303适用于需要高精度热电偶温度测量的应用，如工业自动化、科研实验、医疗设备等领域。
The SCXI-1303 is a temperature wiring terminal launched by NI (National Instruments) specifically designed for high-precision thermocouple temperature measurement applications.
Specifications：
Part Number: 777687-03
Number of Channels: 32
Compatible SCXI Modules: SCXI-1100/1102/1102B/1102C
Temperature Range: 0 to 55°C
Output Voltage Range: 0.58 to 1.91 V
Accuracy: ±0.5°C from 15 to 35°C, ±0.9°C from 0 to 15°C, ±35 to 55°C from 35 to 55°C
Bias Resistors: 10Ω and 10MΩ options
Functional Characteristics：
The SCXI-1303 features a precise thermistor cold junction temperature sensor and an isothermal copper layer, which helps reduce temperature gradients during measurements. Additionally, it incorporates pull-up and bias resistors that can apply a +5V voltage to open-circuit channels to saturate them. The device also comes with a thermistor cold junction sensor, providing high accuracy, especially within the range of 15 to 35°C.
Application Fields：
The SCXI-1303 is suitable for applications that require high-precision thermocouple temperature measurements, such as industrial automation, scientific research experiments, medical equipment, and other fields.
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