数据采集硬件和软件

直接和热电偶﹑电阻式温度检测器﹑热敏电阻﹑应变计﹑称重传感器﹑电压﹑电流﹑电阻和加速计输入设备相连 可扩充至超过256个通道 同时具有数字和模拟的输入和输出 免费的instruNet全球软件 USB 2.0高速数据采集硬件，可应用于32位或64位的Windows ≥ XP Sp3﹑Vista﹑Windows 7 操作系统 通过把传感器附近放置盒子有效的降低噪音，并可在在距离噪音电脑远达100米的范围内工作 以每秒累计166000样本的速度，数字化任意通道的组合 每一个通道都有独立的可编程模拟滤波器﹑积分时间﹑电压范围﹑抽样率；所有通道还具有各种类型的可编程数字滤波器（低通﹑高通﹑带通 和 带阻型滤波器）

i4xx 系列数据采集卡

#iNet-410 通信卡板通过instruNET iNET-240 的USB控制器 将iNET-400插件箱连到Windows电脑上。	#iNet-420 提供20单端/10差分电压输入通道和4个通用型接口通道。	#iNet-423 提供6个差分电压输入通道；每个通道有独自的放大器和低通滤波器。	#iNet-430 通过16位的模拟数字转换器提供16/8 的差分/单端输入通道，并提供 4个电压输出和4个通用型接口通道。	#iNet-460 提供12个通用数字接口通道（20 mA吸入电流—10-30V）和16个数字接口通道（200 mA吸入电流—10-30V）

直接与传感器相连

直接和热电偶	应变计	热敏电阻	热敏电阻
电压	电流	电阻	称重传感器

下表所列皆为直接与各硬件产品相连的传感器。 表中数字指通道的数量。下面的传感器需要外部分流电阻：电阻式温度检测器﹑热敏电阻﹑测度测量﹑电流测定﹑?桥应变计﹑?桥应变计。热电偶传感器需要在i4xx 卡上附加一个i510电线盒。为了进行电压测量，至少要用一个i430型的模拟数字转换卡。每个插件箱只需一个i43x型的模拟数字转换卡。

Analog and Digital I/O Cards

终端用户将instruNet i4xx卡安装到有4﹑8﹑12或16个槽口的instruNet插件箱上。每个卡的尺寸长﹑宽﹑高分别为13cm﹑2.5cm﹑13cm。下面是我们提供的输入输出电板：

instruNet Software

instruNet具有与所有网络通道匹配的用以询问﹑测试﹑设置和连接接口通道的软件。其中包括"instruNet World"这一应用程序，它能和Visual Basic﹑C和C++语言连用。instruNet软件可以设置所有的输入输出的通道，保存设置，提供实时可视数字化信息，将数据流存盘，并且浏览采集后的波形数据。instruNet软件可以在所有Windows电脑上运行。

instruNet World	iW+	DASY实验室	实验室观测
直接到Excel	C/C++	Visual BASIC	instruNet范围

i555 初始系统

为什么instruNet要优于其他系统?

低成本插件箱
instruNet是低成本的插件箱，它通过USB 2.0与Windows电脑相连。插件箱的好处是可以根据需要混合匹配模块，起到好处的满足你的需求。而instruNet插件箱的好处是成本低。例如，4/8/12/16 槽的instruNet低架是每槽100美元；而同类产品比该产品贵2到4倍。

模拟背板降低成本
instruNet插件箱通常具有一个模拟/数字测量模块和可提供信号调控的额外模块。通过背板，将调控的模拟信号传送到模拟/数字模块。与同类产品巨大的不同是，同类系统的每个模块上均有模拟/数字测量电子设备 。instruNet拓扑的优势是成本低。第一个模块安装后， 每个额外通道的instruNet通道配置仅需要约40美元；而同类系统一般要多花费2倍到8倍的成本。

通用输入设备降低成本
instruNet测量模块有通用输入设备，这些设备可使每个通道与以下设备直接相连：热电偶﹑热敏电阻﹑应变计﹑称重传感器﹑电阻式温度检测器﹑电压﹑电流﹑电阻和加速计。有针对所有传感器类型详尽而准确地说明。有些情况下，终端用户需要加上外部分流电阻。通用输入设备的优点是成本低。

通过USB和电脑相连

每个instruNet网络由一个instruNet i240型号的数字信号处理器控制卡控制，该卡通过高速USB 2.0，以480兆比特/秒的速度，连接到微软32位或64位的Windows≥XP Sp3﹑Vista﹑Windows 7或8。每一个i240控制器本身都是一独立的电脑，它利用强大的32位数字信号处理器和板上的RAM存储器控制，通过网络控制采集信息方方面面。所有的实时任务均在板上的处理器进行，所以对主机来说不存在实时任务过多，应付不过来的情况。每个instruNet网络可支持最多4个instruNet iNET-400插件箱。

最大采样率

下图显示了连接在i4xx插件箱上的i240 USB控制器的最大总采样率。每个通道的抽样率是通过除以和i240控制器相连的通道数得到的。例如，如果最大总采样率为166K 样本/秒/控制器，而你有4个数据通道，那么每个数据通道的采样率为41 K 样本/秒/控制器。为提高整个系统的数据处理能里，可以在一台电脑上连接最多4个i240控制器

i51x电线盒

#iNet-510	#iNet-511	#iNet-512

i51x电线盒非常便捷的与i4xx卡相接。i510是最基础的版本的并且包含在i555初始系统。i511有8个bnc连接器。i512有一个参考电压/2源，它有助于建立1/4 和1/2 桥应变计电路。如果需要测量热电偶，那么i510唯一可以胜任的电线盒，因为它内含温度感应器，该感应器能测量i510螺丝接线端的温度。

低成本的4/8/12/16插槽

每个iNET-400可支持最多4个卡。可将多个iNET-400并排连到一起组成8、12或16个插槽的系统。

规格

iNET-400
No. of Slots: Each iNET-400 supports up to four cards. Multiple iNET-400's
can be bolted together side-by-side to create an 8, 12, or 16 slot system
材料: 坚固的铝制构造
尺寸: 长、宽、高分别为15cm、11cm、14cm (长、宽、高分别为6英寸、4.5英寸和5.6英寸)
装配: 配备在台式机上，DIN 导轨安装，19英寸机架，或壁上安装

模拟输入设备
通道数:
iNET-420: 20 单端/10 差分
iNET-423: 6 差分
iNET-430: 16 单端/8 差分
模拟数字转换器: 16位（只适用于iNET-430）
电压: 参考电压精度/极差控制图（PDF格式）
热电偶: J/K/T/E/R/S/B/N/C/G/D
热敏电阻: 2252Ω(OMEGA 44000 系列)
电阻式温度检测器: 100 Ω , 500 Ω , 1 kΩ 铂电阻
称重传感器: 10 kg, 25 kg, 100 kg, 250 kg, 1000 kg, 5000 kg
张力: 350 Ω (1/4 桥、半桥或全桥), 1 kΩ (1/4桥)
电位计: 10 kΩ , 50 kΩ
电流: ±80 uA, ±120 uA, ±500 uA, ±600 uA, ±800 uA, ±1.2 mA, ±2.5 mA,
±12 mA, ±24 mA, 0 to 24 mA
电阻: 0 to 33 Ω, 0 to 100 Ω, 0 to 330 Ω, 0 to 1 kΩ, 0 to 3300 Ω, 0 to 10 kΩ
共模电压: ±10 直流电压 (iNET-420 and iNET-430), ±5直流电压(iNET-423)
串台: <-80 dB typical
输入阻抗: 100 MΩ

iNET-430 精密模拟电压输出
通道数: 2
分辨率: 14位
范围: 0 to 10.1V
输出电流驱动: ±4 mA

iNET-430 模拟电压输出
通道数: 2
分辨率: 8位
范围: 0 to 10.1V
输出电流驱动: ±4 mA

数字接口通道(iNET-420/423/430)
通道数: 4个通用数字接口通道（20 mA 槽，-10 to 30V)
"0" 输入电压: -10 to 0.65V
"1"输入电压: 2.1 to 30直流电压
"0"输出电压: <0.8V @ < 5 mA; < 2V @ <20 mA
"1"输出电压: 3.9 to 4.5V
是否有舒米特触发器输入: 有

环境
运行环境: 1 to 45°C (34 to 113°F), <90% 湿温相对度
储存温度: -20 to 70°C (-4 to 158°F)

电源
要求:+5 直流电压和±12 直流电压 (由 iNET-312-8提供)
可用电压: 3.3V直流电, 5V直流电, ±12V直流电

产品列表

初始系统

i4xx CARDS

i4xx CARD CAGE

i4xx 附件

附件

分流电阻

Db25连接线

联系方式

中国区分部 (GW Instruments China Office)
联系人 Contact: 黎小姐 Ms. Lee (中国区销售总代理 V.P. of Sales China）
邮箱 Email: maggiesales001@gmail.com
电话 Phone: 18676865234
网址 Web: gwinst.com/cn (Chinese)

美国总部 (Headquarters in USA)
联系人 Contact: Glenn Weinreb (CEO GW Instruments, Inc.)
邮箱 Email: gweinreb (AT) gwinst.com
网址 Web: gwinst.com (English)

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