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Measurement Computing USB-234 USB-Powered DAQ with 8 Single-Ended Analog Inputs, 2 Analog Outputs, 8 Digital I/O and 32-Bit Counter Input with 100 kS/s Agregated Sampling Rate Across All Inputs

USB-234 16-Bit Data Acquisition Module with 100 kS/s Sampling Rate

Measurement Computing DAQ Module with 8 Analog Inputs, 2 Analog Outputs, 8 Digital I/O and 1 Counter Input

Part Number: USB-234

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  • Detachable Screw Terminals for (8) Single-Ended Analog Inputs or (4) Differential Analog Inputs

  • Aggregate Sampling Rate up to 100 kS/s (1 Channel = 100 kS/s; 2 Channels = 50 kS/s Each)

  • -10V to 10V Input Voltage Range with 1 MΩ Input Impedance

  • (1) External Digital Trigger with Software-Selectable Rising and Fallling Edge

  • Powered by 5 Volt USB Supply from Your PC Computer, No External AC Power Required

Includes USB Cable and Measurement Computing DAQ Software Suite (TracerDAQ, InstaCal, Drivers for DASYLab and Universal Library for LabView and Android) Available as a Download

Please allow 5-7 days for this item to ship.


Measurement Computing USB-234 16-Bit USB Data Acquisition DAQ Module Specifications

Measurement Types Voltage Output, Counter, Current, Multifunction
Analog Input A/D Converter: Successive Approximation Type
Number of Channels: (8) Single Ended; (4) Differential
Input Voltage Range: -10 Volts to 10 Volts (Bipolar)
ADC Resolution: 16 Bit
Sample Rate: 100 kS/s (Aggregate Total Over 8 Inputs)
Input Impendance: >1 GΩ
Input Bias Current: ±200 pA, typical
Input Bandwidth: 300 kHz
Analog Output Number of Channels: 2
Output Range: -10 Volts to 10 Volts (Bipolar)
Resolution: 16 Bit
Update Rate: 5 kS/s Simultaneous Per Channel Max
Output Current Drive: ±5 mA
Short Circuit Current: ±11 mA
Slew Rate: 3 V/µs
Output Impedance: 0.2 Ω
Timebase Frequency: 80 MHz
Accuracy: 100 ppm
Resolution: 12.5 ns
NOTE: Apply to Hardware-paced Analog Input and Analog Output Sampling Accuracy
Digital I/O Number of Channels: 8
Configuration: Each Bit configured as Input or Output
Pull-Down Resistor: 47.5 kΩ to digital ground (GND)
Absolute Maximum Voltage Range: -0.3 Volts to 5 Volts with respect to Digital Ground (GND)
Digital Input Input Voltage Range: 0 to 5 V (Power On); 0 to 3.3 V (Power Off)
Input Voltage Protection: 20 Volts on 2 Lines per Port (Max 5 Lines) up to 24 Hours
Input Voltage: 2.3 Volts (High); 0.8 Volt Max (Low)
Digital Output Output Low Voltage: 0.7 V Max (4 mA); 0.2 V Max (1 mA)
Output Low Voltage: 3.6 Volts Max; 2.1 V Min (4 mA); 2.8 V Min (1mA)
Output Current Per Line: ±4 mA Max
External Digital Trigger Source: TRIG Input
Trigger Mode: Software-Selectable for rising or falling edge. Power on default is rising edge
Input High Voltage: 2.3 Volts Min
Input Low Voltage: 0.8 Volt Max
Counter Timer Counter Inputs: 1
Counter Resolution: 32 Bit
Counter Type: Edge Counter (Rising)
Counter Direction: Count Up
Counter Source: CTR
Input Frequency: 5 MHz (Max)
High Pulse Width: 100 ns min
Low Pulse Width: 100 ns min
Data Storage 2,047 Samples (FIFO)
Power Source USB Port, No External Power Connection
USB Device Type: USB 2.0 (1.1 and 2.0 Compatibility)
Compatibility: USB 1.1 and USB 2.0
Cable Length: 3 Meters Maximum
Operating Range Temperature: 0° to 45°C
Humidity: 0 to 95% RH Non-Condensing
Storage Range Temperature: -40° to 85°C
Humidity: 0 to 95% RH Non-Condensing
Software TracerDAQ® Software
Universal Library (Visual Studio® and Visual Studio® .NET)
DasyLab and NI LabView Drivers
InstaCal Software Utility
All Included
Screw Terminal Connectors Type: 16-position Screw Terminal Plugs
Wire Gauge Range: 16 AWG to 28 AWG (1.31 mm2 to 0.08 mm2)
Torque for Screw Terminals: 0.22 to 0.25 Nm (2.0 to 2.2 lb in)
Weight 83 g (2.93 oz)
Dimensions 2.97" x 3.40" x 0.93" (7.54 cm x 8.62 cm x 2.36 cm)

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