Get exclusive volume discounts, bulk pricing updates, and new product alerts delivered directly to your inbox.
By subscribing, you agree to our Terms of Service and Privacy Policy.
Direct access to our certified experts
CMRR: Thermocouple Mode (fIN = 60 Hz): 110 dB, Voltage Mode (fIN = 60 Hz, All Input Ranges): 90 dB
Width: 89 mm
Height: 36 mm
Length: 127 mm
Memory: EEPROM: 4096 bytes
Weight: 160 g
Bandwidth: 1 MHz
Isolation: 500 Vdc Minimum between field Wiring and USB Interface
Slew Rate: 1.0 V/μs
Input Type: Thermocouple, Voltage
Wire Gauge: 30 to 16 AWG
Warm Up Time: 45 min
Digital Input: Digital: Low = 0 Vdc
Output Signal: Digital
Sampling Rate: 1 kHz (1,000 updates/second)
A/D Conversion: ADS1256, 24-bit Sigma Delta
Data Interface: Ethernet, USB 1.1, USB 2.0
Digital Output: 5 V ,AOUTx pins, ±5.0 mA maximum
LED Indicators: Supply Status LED
Supply Current: 275 mA
Supply Voltage: 5 Vdc
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
Impedance Input: 10 MΩ (power on), 390 Ω (power off)
Leakage Current: ±20 nA
Microcontroller: One high-performance 8-bit RISC microcontroller with USB interface (non-isolated); one high‑performance 16-bit RISC microcontroller for measurements (isolated)
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
Pull-up Resistor: 47 kΩ
USB Cable Length: 3 m
Breakdown Voltage: Drain to Source: 50 V
Electrical Output: 0 to 5 Vdc
Input Capacitance: Analog: 590 pf, Counter: 25 pf
Relative Humidity: 0 to 90% RH non-condensing
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
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)
Pull-down Resistor: 47 kΩ
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
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)
Input Configuration: Connected Software
Output Settling Time: 10V step, 75 μs
Electrical Connection: Screw Terminal
Configuration Parameters: Alarm Functionality, Pull-Up/Down Configuration, Thermocouple Type Selection, User-Configurable Input/Output
Storage Temperature, Max: 85 °C
Storage Temperature, Min: -40 °C
Number of Channels, Input: Analog: 16 SE/8 DIFF, Digital: 8, Counter: 2
Number of Channels, Output: Digital: 8
Operating Temperature, Max: 50 °C
Operating Temperature, Min: 0 °C
