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USB Data Acquisition Modules for Temperature and Voltage
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OMB-DAQ-2408-Series

USB Data Acquisition Modules for Temperature and Voltage

Models In Stock
  • Measures Thermocouples or Voltage
  • Up to 16 Analog Inputs
  • 24-Bit Resolution
  • Up to 1 kS/s Sampling
OMB-DAQ-2408-Series
From €  876,11
Models In Stock
Shop Models
2 Variations available
See all series options below
OMB-DAQ-2408-SeriesData Sheet

Data Sheet
USB Data Acquisition Modules for Temperature and Voltage OMB-DAQ-2408-Series OMB-DAQ-2408-Series
Product Overview
  • Analog I/O Note Analog Input Note: ANALOG INPUT;A/D Converter Type: ADS1256, 24-bit Sigma Delta;A/D Data Rates: 3750 S/s, 2000 S/s, 1000 S/s, 500 S/s, 100 S/s, 60 S/s, 50 S/s, 25 S/s, 10 S/s, 5 S/s, 2.5 S/s;Throughput (Software-Selectable for Single Channel and Multiple Channels); Single Channel: 2.5 to 1102.94 S/s; Multiple Channels: 0.16 to 1102.94 Hz;Number of Channels: Up to 16 channels individually software-selectable as single ended (SE) or differential (DIFF); thermocouples require differential mode; for each channel configured as differential, you lose one single-ended channel;Input Isolation: 500 Vdc min between field wiring and USB interface;Channel Configurations: Temperature sensor input,;software-selectable to match sensor type; voltage input;Input Voltage Range; Thermocouple Mode: ±0.078125V; Voltage Mode (Software-Selectable); ±10V, ±5V, ±2.5V, ±1.25V, ±0.625V,; ±0.3125V, ±0.15625V, ±0.078125V;Absolute Maximum Input Voltage; CxH-CxL Relative to GND: ±22V max (power on), ±10V max (power off);Input Impedance: 10 MΩ (power on), 390Ω (power off);Input Leakage Current: ±20 nA;Input Voltage: >±22V (power on/off): ±1µ A max;Input Capacitance: 590 pf;Maximum Working Voltage (Signal + Common Mode); Voltage Mode: ±10.25V max;Common Mode Rejection Ratio; Thermocouple Mode (fIN = 60 Hz): 110 dB; Voltage Mode (fIN = 60 Hz, All Input Ranges): 90 dB;ADC Resolution: 24-bits;Crosstalk: Adjacent channels, 100 dB;Input Coupling: DC;Channel Gain Queue: Up to 64 elements, software-selectable channel and range;Warm-Up Time: 45 minutes min;Open Thermocouple Detect: Software-selectable for each channel;CJC Sensor Accuracy; 15 to 35°C: ±0.5°C typ; 0 to 55°C: ±1.0°C max
  • Breakdown Voltage Drain to Source: 50 V
  • CMRR Thermocouple Mode (fIN = 60 Hz): 110 dB, Voltage Mode (fIN = 60 Hz, All Input Ranges): 90 dB
  • Configuration Parameters Alarm Functionality, Pull-Up/Down Configuration, Thermocouple Type Selection, User-Configurable Input/Output
  • Data Interface Ethernet, USB 1.1, USB 2.0
  • Data Interface Note Configuration Method: TracerDAQ Software;Output Configuration: Digital: Each DIO bit can be independently read from (DIN) or written to (DOUT). DIN bits can be read at any time whether the DOUT is active or tri-stated.;Supported Operating System: Microsoft Windows® VISTA/7/8/10 (32-bit and 64-bit)
  • Digital Input Digital: Low = 0 Vdc
  • Digital I/O Note DIGITAL INPUT Number of I/O: 8 channels Configuration: Each DIO bit can be independently read from (DIN) or written to (DOUT). DIN bits can be read at any time whether the DOUT is active or tri-stated. Input Voltage Range: 0 to 15V Input Type: CMOS (Schmitt trigger) Input Characteristics: 47 kΩ pull-up/pull-down resistor, 28 Ω series resistor Maximum Input Voltage Range: 0 to 20V max (power on/off, relative to DGND) Pull-Up/Pull-Down Configuration: All pins pulled up to 5V through individual 47 kΩ resistors (the J6 shorting block default position is pins 1 and 2) Pull-down capability is available by placing the J6 shorting block across pins 2 and 3 Transfer Rate (Software Paced): 500 port reads or single bit reads per second typ Input High Voltage: 1.3 to 2.2V Input Low Voltage: 1.5 to 0.6V Schmitt Trigger Hysteresis: 0.4V to 1.2 Output Characteristics: 47 kΩ pull-up, open drain (DMOS transistor) internally connected to DGND Pull-Up Configuration: All pins pulled up to 5V through individual 47 k? resistors (the J6 shorting block default position is pins 1 and 2). Transfer Rate (Software Paced) Digital Output: 500 port writes or single bit writes per second typ Output Voltage Range: 0 to 5V (no external pull up resistor, internal 47 Ωk pull-up resistors connected to 5V by default); 0 to 15V max Drain to Source Breakdown Voltage: 50V min, Off State Leakage Current: 1.0 µA Sink Current Capability: 150 mA max (continuous) per output pin 150 mA max (continuous) for all eight channels DMOS Transistor On-Resistance (Drain to Source): 4 Ω "Output Characteristics: 47 kΩ pull-up, open drain (DMOS transistor) internally connected to DGND Pull-Up Configuration: All pins pulled up to 5V through individual 47 k? resistors (the J6 shorting block default position is pins 1 and 2). Transfer Rate (Software Paced) Digital Output: 500 port writes or single bit writes per second typ Output Voltage Range: 0 to 5V (no external pull up resistor, internal 47 Ωk pull-up resistors connected to 5V by default); 0 to 15V max Drain to Source Breakdown Voltage: 50V min, Off State Leakage Current: 1.0 µA Sink Current Capability: 150 mA max (continuous) per output pin 150 mA max (continuous) for all eight channels DMOS Transistor On-Resistance (Drain to Source): 4 Ω "Output Characteristics: 47 kΩ pull-up, open drain (DMOS transistor) internally connected to DGND Pull-Up Configuration: All pins pulled up to 5V through individual 47 k? resistors (the J6 shorting block default position is pins 1 and 2). Transfer Rate (Software Paced) Digital Output: 500 port writes or single bit writes per second typ Output Voltage Range: 0 to 5V (no external pull up resistor, internal 47 Ωk pull-up resistors connected to 5V by default); 0 to 15V max Drain to Source Breakdown Voltage: 50V min, Off State Leakage Current: 1.0 µA Sink Current Capability: 150 mA max (continuous) per output pin 150 mA max (continuous) for all eight channels DMOS Transistor On-Resistance (Drain to Source): 4 Ω ;Cross talk: 100 dB;Transfer Rate: Digital: 500 port reads or single bit reads per second typ, Counter: System dependent, 500 reads or writes per second;Schmitt Trigger Hysteresis: 0.4V to 1.2V;Sink Current: 150 mA
  • Digital Output 5 V ,AOUTx pins, ±5.0 mA maximum
  • Electrical Connection Screw Terminal
  • Electrical Output 0 to 5 Vdc
  • Height 36 mm
  • Impedance Input 10 MΩ (power on), 390 Ω (power off)
  • Input Capacitance Analog: 590 pf, Counter: 25 pf
  • Input Configuration Connected Software
  • Input Type Thermocouple, Voltage
  • Input Voltage Note Absolute Maximum Input Voltage: Analog: CxH-CxL Relative to GND - ±22V max (Power On), ±10V maximum (Power Off), Digital: 0 to 20V maximum (Power On/Off, relative to DGND), Counter: CTR0, CTR1 relative to GND and DGND, ±20V maximum (Power On/Off)
  • Isolation 500 Vdc Minimum between field Wiring and USB Interface
  • Leakage Current ±20 nA
  • LED Indicators Supply Status LED
  • Length 127 mm
  • Memory EEPROM: 4096 bytes
  • Microcontroller One high-performance 8-bit RISC microcontroller with USB interface (non-isolated); one high‑performance 16-bit RISC microcontroller for measurements (isolated)
  • Number of Channels, Input Analog: 16 SE/8 DIFF, Digital: 8, Counter: 2
  • Operating Temperature, Max 50 °C
  • Operating Temperature, Min 0 °C
  • Output Settling Time 10V step, 75 μs
  • Pull-down Resistor 47 kΩ
  • Pull-up Resistor 47 kΩ
  • Relative Humidity 0 to 90% RH non-condensing
  • Sampling Rate 1 kHz (1,000 updates/second)
  • Sampling Rate Note The maximum throughput of an OMB-DAQ-2408 module is 1.1 kS/s aggregate. The OMB-DAQ-2408 provides the ability to set conversion rates on a per-channel basis. This feature gives the user flexibility and control over noise averaging for each channel. Analog Input Throughput (Software-Selectable for Single Channel and Multiple Channels): Single Channel:2.5 to 1102.94 S/s, Multiple Channels: 0.16 to 1102.94 Hz Analog Output Throughput: Single-Channel: 1000 S/s maximum, system-dependent, Multi-Channel: 1000 S/s /#ch maximum, system-dependent
  • Slew Rate 1.0 V/μs
  • Storage Temperature, Max 85 °C
  • Storage Temperature, Min -40 °C
  • Supply Current 275 mA
  • Supply Power Note Quiescent current, 275 mA (includes up to 10 mA for the status LED; does not include any potential loading of the digital I/O bits, 5V user terminal or the AOUTx outputs). 5V User Output Voltage Range: Available at terminal block pin 40, 4.75 to 5.25V 5V User Output Current: Available at terminal block pin 40, 10 mA maximum, Isolation: Measurement system to PC, 500 Vdc minimum
  • Supply Voltage 5 Vdc
  • USB Cable Length 3 m
  • Warm Up Time 45 min
  • Weight 160 g
  • Width 89 mm
  • Wire Gauge 30 to 16 AWG
The OMB-DAQ-2408 Series are multifunction DAQ devices designed for highly-accurate voltage or temperature measurements. Each device features up to 16 single ended (SE)/8 differential (DIFF)
analog inputs. Each device includes 8 digital I/O and two counter inputs. The OMB-DAQ-2408-2AO
also features two analog outputs. Each device in the series offers 24-bit resolution for ultra-accurate voltage or thermocouple measurements.

Analog Input
Each device includes 16 SE/8 DIFF analog inputs which you can configure for voltage or thermocouple input on a per-channel basis. Eight software-selectable voltage input ranges are provided. You can configure these ranges on a per-channel basis from ±10V to ±0.078V. When measuring thermocouples, configure analog inputs in DIFF mode. All devices also include open thermocouple detection to identify improperly working thermocouples.

Sample Rate
OMB-DAQ-2408 modules can sample analog input channels at up to 1 kS/s.

Digital I/O
Eight digital I/O channels are included with each OMB-DAQ-2408
and you can read from or write to each individual bit.

Counters
Two 32-bit counters are included with OMB-DAQ-2408 modules. The TTL level inputs
are capable of read/write rates of up to 500 Hz and an input frequency of up to 1 MHz.

Analog Output
(OMB-DAQ-2408-2AO Only)
The OMB-DAQ-2408-2AO includes two 16-bit analog outputs. Each output has a ±10V range.
Both outputs can be updated at a rate of up to 500 S/s per channel; one output can be updated
at a rate of 1 kS/s.

Software
The OMB-DAQ-2408 modules ship with an impressive array of software, including the new TracerDAQ®, a full-featured, out-of-the-box data logging, viewing, and analysis application. Driver support and detailed example programs are included for Universal Library programming libraries for Microsoft® Visual Studio® programming languages, and other languages, including DASYLab®, and ULx for NI LabVIEW® (comprehensive library of VIs and example programs compatible with 32-bit and 64-bit LabVIEW v8.5 through 2012) and InstaCalTM installation, calibration and test utility-powerful solutions for programmers and non-programmers alike. These modules operate under Microsoft Windows® XP (32-bit only) and VISTA/7/8 (32-bit and 64-bit) operating systems.
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