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4-Channel Universal Analog Input USB Data Acquisition Module
OM-USB-2404-UI
PLACE ORDER - 4 Channels of Universal Analog Input
- 24-Bit Resolution
- Measures: Voltage (±125 mV, ±1V, ±4V, ±15V, ±60V), Current (±25 mA), Thermocouples (J, K, T, E, R, S, N, B), RTDs (Pt100, Pt1000, 3- and 4-Wire), Resistance (2- and 4-Wire), and Bridge-Based Sensors (Quarter-, Half-, and Full-Bridge)
- Simultaneous Sampling at Up to 100 S/s Per Channel
- 250 Vrms Channel-to-Channel and Channel-to-Ground Isolation
- Built-In Thermistor for Cold-Junction Compensation (CJC)
- Six-Position Input Screw Terminal Allows Different Measurement Types to be Performed On Each Channel
Description
Description
The new OM-USB-2404-UI provides four channelsof 24-bit universal analog input with integrated signalconditioning. The device can be used to measure avariety of sensor types such as RTDs, thermocouples,load cells, and other powered sensors. The fourchannels are individually configurable, so a differentmeasurement type can be performed on each channel.All channels are measured simultaneously at up to100 S/s per channel.
The OM-USB-2404-UI can performthe following measurements:• Voltage• Current• Thermocouple• RTD (3- and 4-wire)• Resistance (2- and 4-wire)• Bridge-based sensors (quarter-, half-, and full-bridge)Measurement ranges vary for each type ofmeasurement (see PDF for complete specifications).
The device features a built-in current and voltageexcitation. The excitation circuit is protected fromovercurrent and overvoltage fault conditions. Eachchannel also has a built-in thermistor for cold-junctioncompensation (CJC) calculations when measuringthermocouples. An analog pre-filter removes noisethat may be present in the signals prior to conversion.
With 250 Vac channel-to-channel and channel-to-groundisolation, the OM-USB-2404-UI protects theindividual channels and connected computer andensures a reliable data stream. Each channel has adetachable six-position screw terminal block for fieldwiring connections.
The OM-USB-2404-UI ships with a 2 m (6') USBcable and is powered by the 5V USB supply fromyour computer. No external power is required.
The OM-USB-2404-UI is a USB 2.0 high-speed devicethat is supported under popular Microsoft Windows®operating systems. The OM-USB-2404-UI is fullycompatible with both USB 1.1 and USB 2.0 ports.
SoftwareThe OM-USB-2404-UI module ships with animpressive array of software, including the newTracerDAQ®, a full-featured, out-of-the-box datalogging, viewing, and analysis application. Driversupport and detailed example programs are includedfor Universal Library programming libraries forMicrosoft® Visual Studio® programming languages, andother languages, including DASYLab®, and ULx for NILabVIEW® (comprehensive library of Vls and exampleprograms compatible with 32-bit and 64-bit LabVIEWv8.5 through 2013) and InstaCal™ installation,calibration and test utility-powerful solutions forprogrammers and nonprogrammers alike. Thesemodules operate under Microsoft Windows® XP(32-bit only) and VISTA/7/8 (32-bit and 64-bit)operating systems.
The OM-USB-2404-UI data acquisition module issupplied with TracerDAQ software which is a collectionof four virtual instrument applications used tographically display and store input data and generateoutput signals:
• Strip Chart—Log and graph values acquired from analog inputs, digital inputs, temperature inputs and counter inputs
• Oscilloscope—Display values acquired from analog inputs
• Function Generator—Generate waveforms for analog outputs
• Rate Generator—Generate waveforms for counter outputs
TracerDAQ PRO is an enhanced version of TracerDAQ.A comparison of some of the features included inTracerDAQ vs TracerDAQ PRO is shown on the PDF.
SPECIFICATIONS
ANALOG INPUT
Number of Channels: 4
A/D Converter Resolution: 24-bit
A/D Converter Type: Delta-Sigma with analog pre-filtering
Sampling Mode: Simultaneous
TEDS Sensor Type Supported: IEEE 1451.4 TEDS Class II (interface)
Input Mode: Voltage, current, resistance (2- and 4-wire), RTD (3- and 4-wire), thermocouple, quarter-bridge, half-bridge, full-bridge
Conversion Time (No channels in TC mode)
High Speed: 10 ms for all channels
Best 60 Hz Rejection: 110 ms for all channels
Best 50 Hz Rejection: 130 ms for all channels
High Resolution: 500 ms for all channels
Conversion Time (One or More Channels in TC Mode)
High Speed: 20 ms for all channels
Best 60 Hz Rejection: 120 ms for all channels
Best 50 Hz Rejection: 140 ms for all channels
High Resolution: 510 ms for all channels
Overvoltage Protection
Terminals 1 and 2: ±30V
Terminals 3 Through 6, Across any Combination: ±60V
Input Impedance
Voltage Mode (±60V, ±15V, ±4V): 1 MΩ
Current Mode: <40 Ω
All Other Modes: >1GΩ
Input Bias Current: <1nA
Integral Non-Linearity (INL): ±15 ppm
Common Mode Rejection Ratio (CMRR): >100 dB
Normal Mode Rejection Ratio (NMRR)
Best 60 Hz Rejection: 90 dB at 60 Hz
Best 50 Hz Rejection: 80 dB at 50 Hz
High Resolution: 65 dB at 50 Hz and 60 Hz
GENERAL
Operating Temperature Range: 0 to 60ºC(32 to 140ºF), 10 to 90% RH non-condensing
Storage Temperature Range: -40 to 85ºC(-40 to 185ºF), 5 to 95% RH non-condensing
Communications: USB 2.0 Hi-Speed mode (480 Mbps)is recommended; otherwise USB 1.1 full-speed mode(12 Mbps)
Current Consumption from USB: 500 mA, maximum
Channel-to-Earth Ground Isolation
Continuous: 250 Vrms (measurement categoryII for measurements performed on circuits directly
connected to the electrical distribution system)
Withstand: 2300 Vrms (verified by a 5 seconddielectric withstand test)
Channel-to-Channel Isolation
Continuous: 250 Vrms (measurement categoryII for measurements performed on circuits directly
connected to the electrical distribution system)
Withstand: 1390 Vrms (verified by a 5 seconddielectric withstand test)
Signal I/O Connector: 6-position screw terminals
Screw terminal Wiring: 18 to 28 AWG copper conductorwire with 7 mm (0.28") of insulation stripped from the end
Maximum Altitude: 2000 m (6562')
Dimensions: 134 L x 143 W x 39 mm H (5.27 x 5.64 x 1.54")
Weight: 567 g (1.25 lb) Anemometer | Automation | Accelerometers | Calibrator | Cartridge Heaters | Chart Recorders | Cryogenics | Custom Pressure Transducers | Data Loggers | Data Acquisition | Dial Thermometers | Fiber Optics | Fiber Optic Temperature Measurement | Flexible Heaters | Flow Meters | Glass Bulb Thermometers | Grippers | Heaters | Humidity Measurement | Integrated Circuit Sensors | Immersion Heaters | Infrared Thermometers | Level Measurement | Load Cells | M12 Temperature Connectors | Magnetic Flow Meter | Panel Meter | PID Controllers | pH meter | Pressure Gauges | Pressure Transducers | Pressure Transmitters | Rotameters | RTD | Remote Process Monitoring | Sanitary Sensors | Signal Conditioners | Stepper Motors | Strain Gages | Strip Heaters | Temperature Controllers | Temperature Labels | Temperature Measurement | Temperature Sensor Manufacturing | Temperature Sensors | Temperature Transmitters | Thermal Imagers | Thermistors | Thermocouple | Thermocouple Wire | Thermowell | Ultrasonic Flow Meters | Vortex Flow Meter | Wireless Sensors
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