USB Data Acquisition DI-2008
DATAQ DI-2008 USB Thermocouple Data Acquisition system with Windaq software. Features 4 or 8 analog input channels programmable as a thermocouple or voltage input, 16-bit measurement resolution, and a full scale range of ±10mV to ±50V for voltage measurements or Thermocouple types J, K, T, B, R, S, E, or N.
Eight analog input channels adapt to a wide range of measurement types and applications. Each channel can be independently programmed for a thermocouple or voltage measurement. Programmed as a voltage channel you can select one of twelve measurement ranges from ±10 mV to ±50 V. A range of ±5 V supports 4-20 mA measurements using typically a 250 Ω shunt resistor (model R250 sold separately). Each DI-2008 analog input is electrically isolated from other channels and from ground for safe and accurate measurements in the presence of common mode voltages.
7 digital ports, each configurable as an input or a switch. Input protection is provided to 30 V. Configured as a switch a digital port can be used to control external loads up to 30 V @ 100 mA. The counter input provides 16-bit resolution and a terminal count value of 65,535.
- Includes a DI-2008 instrument, a 6-foot USB cable, a screwdriver for signal connections, and downloadable WinDaq software
- Four or Eight differential and isolated analog input channels.
- Seven bi-directional digital input ports
- ChannelStretch™ channel expansion to 128 analog and 112 digital channels
- Programmable voltage and thermocouple measurements per channel
- 10 mV to 50 V programmable range per channel
- Programmable support for type J, K, T, B, R, S, E, N thermocouples per channel
- High resolution (16-bit) measurements
- 2000 Hz sample throughput for a single channel and 200 Hz for two or more
Specifications
Analog Input
- Number of Channels: 8
- Configuration: Differential, Isolated
- Programmable measurements per channel: Voltage, thermocouple
- Programmable voltage measurements ranges per channel: ±10 mV, ±25 mV, ±50 mV, ±100 mV, ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, ±10 V, ±25 V, ±50 V
- Accuracy: ±(0.05% of range + 10 µV)
Digital Ports
- Number of ports: 7
- Type: MOSFET switch
- Configuration: Programmable as an input or switch
Count/Rate
- Count: Port 2 configured as input
- Rate: Port 3 configured as input
- Terminal count: 65,535
- Maximum rate frequency: 50 kHz
Power
- Excitation output: +15 V dc (-7.5% to +2.5%) at 70%
load (47 mA), 67 mA at full load - Power consumption: 0.75 Watts (from USB port)
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