INET-230 數據采集器 美國omega
直接instrunet系列數據采集傳感器
iNET-100
1年保修 CE OmegaCare
instruNet Series Direct Sensor to Data Acquisition
iNET-100:instruNet Series Direct Sensor to Data Acquisition
inet-240
基于Windows的計算機的高精度數據采集
16個單端/ 8差14位模擬輸入，8路模擬量輸出和8個數字I / O
inet-240 USB 2控制器卡
直接連接到熱電阻，熱電偶，熱敏電阻，電壓，橋梁與應變傳感器
166 KS /秒的吞吐量內存或磁盤
每個通道都有獨立的可編程模擬濾波器，積分時間，電壓范圍和采樣率
可編程數字濾波器在所有通道
包括C，Visual Basic帶/圖軟件和驅動程序，和測試點選擇LabVIEW驅動程序都可以。
instruNet provides ten's of microvolts of absolute accuracy instead of ten's of millivolts, at the same cost and at the same throughput rates as typical general purpose data acquisition boards. It does this with a compley different topology where the analog electronics are close to the sensor in electrically quiet boxes outside your PC, and noisy digital electronics are left inside the computer.
The external boxes contain signal conditioning amplifiers for each channel and can directly attach to sensors such as thermocouples, thermistors, RTDs, strain gages, resistance sources, current sources and voltage sources. The box returns engineering units to your PC (e.g. °C, Volts, Amps).
At the heart of the real-time system is a PCI card (WIN XP/VISTA (32-bit)/7 (32-bit), PC-card (WIN XP/VISTA (32-bit)/7 (32-bit) or USB 2.0 (WIN XP SP2/VISTA 32-bit or 64-bit/7 32-bit or 64-bit) controller. Each controller contains a 32 bit microprocessor with 256KB of RAM that manages the external "network" of devices. All real-time tasks are off-loaded to this processor, therefore the host computer is not burdened with real-time issues.
Each instruNet iNET-100 box provides, 16 single-ended/8 differential analog inputs, 8 analog outputs and 8 digital I/O lines. The iNET-100 includes 44 screw terminals. The iNET-100B version adds 16 BNCs for analog inputs.
The controller's themselves provide 10 counter/timer channels each of which can function as a digital input bit, a digital output bit, a clock output channel or a period measurement input channel.
Distributed and Expandable
The instruNet system is ideally suited for distributed measurement and control systems. The network cable can extend up to 1000 feet. Each controller card in the PC can connect to up to 16 instruNet boxes for a total number of 256 analog inputs, 128 analog outputs and 128 digital I/O. For additional inputs, multiple controller cards can be placed in one computer with the maximum number of controller cards limited only by the number of available slots in the computer. Since each controller card has its own microprocessor, multiple cards do not place any additional burden on the computer. It should be noted that multiple instruNet boxes on a single network may degrade the maximum system throughput of 166Ks/sec.
High Current Version (HC)
The INET-100HC is similar to the INET-100, yet the voltage output channels have a higher drive capability, providing up to 15 mA of current to capacitive loads as high as 0.01μF. The INET-100 and INET-100B devices support only 4mA/.001μF voltage output drive. The INET-100HC is recommended for use with sensors that require excitation, such as strain gages, RTDs and thermistors since these sensors may exceed the current or capacitive drive limits of the INET-100 or INET-100B. The INET-100HC provides greater compatibility with sensors that have capacitive loading on the excitation lines, therefore, the HC version is recommended for all sensors requiring excitation including RTDs and thermistors. Since the HC version has a greater power demand, an external power supply must be used. The INET-312-8 can be used to power up to three INET-100HC boxes.
Software
instruNet World, is a FREE application program. It manages, monitors and operates the instruNet system. It digitizes long continuous waveforms, spools them to disk, views incoming waveforms in real-time and then allows post acquisition viewing-much like an oscilloscope or strip chart recorder. instruNet World provides a spreadsheet-like environment where one can set and view channel parameters such as sensor type, integration time, analog filter, and digital filter. Each channel has it's own row in the spreadsheet, with the various options in the columns. instruNet is also compatible with a variety of off-the-shelf software products including TEST Point; Microsoft Excel 8 for Windows, DasyLab and Labtech Notebook (consult the factory for the availability of DasyLab drivers). For users writing their own programs, instruNet includes drivers callable from any 32 bit C compiler, and Visual Basic (v4.0 or greater). The driver includes a main routine, called "iNet( )", that reads or writes any of the options or channels on the system. Optional drivers are also available for LabVIEW software.
InstruNet World Plus Software (for Windows XP/VISTA/7)
InstruNet World Plus Software is an option that adds valuable features to the standard instruNet World software which is included with instruNet hardware. It enables one to digitize, plot, control, analyze, and save to disk A/D, D/A, and digital I/O data from InstruNet hardware. Additionally, it enables one to define their own instrument front panel with buttons, popup menus, edit fields, dynamic text, text editor regions, and waveform graphs. InstruNet World Plus is programmed with a simple script language that can define tasks such as control loops. For example, one can type "Dac1 = OnOff (Ain1, 3)" to define D/A #1 as a function of A/D #1.
規(guī)格：
Analog Inputs Number: 16 single-ended/8 differential
Resolution: 14-bit
System Throughput: 166k samples/sec
A/D Conversion Time: 4 μs min
Signal To Noise Ratio: 78 dB
Linearity: Differential ±1.5 LSB; Integral ±2 LSB
Input Overvoltage Protection: ±15 V
Input Impedance: >22 MΩ, 3pf
Common Mode Voltage: ±5 V min (CMR ±80 dB)
Gain and Offset Drift: ±5 ppm/°C of 5 V FSR; offset self calibrated to 0 Thermistor Accuracy/Ranges All OMEGA? 44xxx series thermistors supported. (Contact factory for other thermistors.) One user supplied shunt resistor per thermistor channel is required.
Range Shunt Accuracy
-80 to 40°C 47 kΩ ±0.2°C
0 to 70°C 4.7 kΩ ±0.1°C
0 to 200°C 200Ω ±0.4°C
Analog Outputs Number: 8
Resolution: 8 bit
Output Range: ±5 V @ 5 mA for iNET-100/100B, ±5 V @15 mA for iNET-100HC
Output Protection: Short-to-ground continuous
Output Settling Time: 4μs (to ±1/2 LSB, ±5 V step)
Analog Output Accuracy: ±0.4%
Digital Coupling: ±20 mV
Gain and Offset Drift: ±10 ppm/°C of 5 V FSR; and ±5 μV/°C offset drift
Digital I/O Number: 8 non-latching inputs and 8 latching outputs at 8 bi-directional screw terminals
Input Levels:
VIH = 3.2 V min to 12 V max;
VIL = 1.0 V max to -12 V min
IIH = -200 μA, Vi = 3.2 V;
IIL = -0.5 mA max.
Output Levels:
VOH = 2 V min to 5 V max;
IOH = -0.5 mA max.
IOL = 500 mA max, VO=1.7 V;
IOL = 50 mA max, VO = 0.7 V
產品型號 產品描述
External Boxes
INET-100 instruNet external A/D box with screw terminals
INET-100B instruNet external A/D box with screw terminal and BNC connections
INET-100HC Same as INET-100 with 15 mA excitation current
Controller Cards
iNET-240 USB 2.0 controller for Windows XP SP2//VISTA (32-bit of 64-bit)/7 (32-bit or 64-bit); requires inet-312-8 power supply
INET-200 PCI Bus controller card for Windows 95/NT/98/2000/XP or Macintosh computers
INET-230 PC-Card controller, type II for Windows XP/VISTA (32-bit)/7 (32-bit) (does not provide power, requires iNET-312-8 power supply)
Power Supplies and Accessories
iNET-iWPLUS instruNet World Plus Software. Data acquisition and control software for the instruNet systems. See the Related Links section below for addtional details on instruNet World Plus software.
INET-300 Power adaptor, required if using more than 2 iNET-100/100B boxes or one iNET-100HC boxes with the iNET-200 PCI controller card
INET-330 Optical isolator
INET-340 DIN rail mounting brackets for one INET-100
INET-380 LabVIEW drivers (LabVIEW versions 4-6 currently supported on Windows 98/NT/XP
INET-312-8 Power supply, 110/220 Vac, 5V/2A, ±12V/0.8A, USA plug used with iNET-300/330/230 (powers 3 additional iNET-100HC or 4 additional iNET-100/100B), includes iNET-300 power adaptor
INET-312-8EU Power supply, 110/220 AC, 5V/2A, ±12V/0.8A, Euro plug, used with iNET-300/330/230 (powers 3 additional iNET-100HC or 4 additional iNET-100/100B), includes iNET-300 power adaptor
INET-34W3F 3 ft 34 wire ribbon cable
iNET-CABLE-10ft instruNet cable, 10 ft (3.0 m) length
iNET-CABLE-25ft instruNet cable, 25 ft (7.6 m) length
iNET-CABLE-50ft instruNet cable, 50 ft (15.2 m) length
iNET-CABLE-100ft instruNet cable, 100 ft (30.5) length
Resistors
OMX-R20 20 Ohm resistor, ±0.1% accuracy
OMX-R100 100 Ohm resistor, ±0.1% accuracy
OMX-R250 250 Ohm resistor, ±1% accuracy
RES-250 250 Ohm resistor, ±0.1% accuracy
OMX-R200 200 Ohm resistor, ±0.1% accuracy
OMX-R1K 1000 Ohm resistor, ±0.025% accuracy
OMX-R2K 2000 Ohm resistor, ±0.025% accuracy
OMX-R4.7K 4700 Ohm resistor, ±0.025% accuracy
OMX-R10K 10,000 Ohm resistor, ±0.025% accuracy
OMX-R20K 20,000 Ohm resistor, ±0.025% accuracy
OMX-R47K 47,000 Ohm resistor, ±0.025% accuracy
INET-230 數據采集器 美國omega
衍生閱讀: 建筑驗收：主要體現在智能樓宇的驗收。由于建筑行業(yè)的驗收項目多，除暖通空調指標外，其他諸如射線強度、甲醛濃度等建筑部要求符合人體健康指標也要監(jiān)測，這些指標是直接關系到人體健康的。如果在這些指標不明了的情況下，測試人員貿然進入這些場所并在其間進行記錄，是對測試人員的人身健康的不負責任，而應用記錄儀就會保證在取得可靠數據的同時對測試人員的人身安全進行zui大保護。 重要醫(yī)衛(wèi)場所：按照《醫(yī)院潔凈手術部建筑技術規(guī)范征求意見稿》的要求手術室的溫濕度必須控制在一定的范圍內：即溫度在22…25℃；相對濕度45%RH…60%RH。 適宜的環(huán)境溫濕度對操作者和病人都是非常重要的。當室溫超過28℃，濕度大于70%RH時，易有悶熱、出汗、煩燥、疲勞等反應，容易影響安定的情緒和敏捷的思維，使操作者的技術水平不能得到很好的發(fā)揮。同時病人也會出現心率快、出汗多等癥狀而增加手術難度；當室溫低于20度時，只穿手術衣的操作者會感到冷，易
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