Dataq Instruments DI-700 Benutzerhandbuch - Seite 9

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2. Specifications.

Signal Connections

Signal connections are made directly to the 37-pin, D-type connector on the front panel of the instrument. Signal
connections can also be made with the DI-705, which is an optional, screw terminal signal interface that plugs into
the 37-pin connector and allows you to connect bare-wire analog input signals to the DI-700. Refer to chapter 5
Accessories in this manual for complete DI-705 details. Note that the DI-705 is an extra-cost option that is not
included with the purchase of a DI-700 instrument

Interface Characteristics

Compatible computer architecture: Connects to computer via the USB (universal serial bus) port.

Analog Inputs

Number of input channels:
Converter resolution:
Common mode rejection ratio:
Accuracy:
Crosstalk:
Sample throughput rate:
Maximum analog measurement range (software selectable per channel):
Gain error
Input offset voltage
Input settling time
Input impedance

Digital Input/Output

Capacity
Compatibility
Max source current
Max sink current
Digital input termination

Input Scan List

Capacity
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16 single-ended, 8 differential (software selectable per channel)
16-bit
60 dB minimum, 1kW unbalance @ 60 Hz
±0.25% of full scale range
60 dB @ 975Hz sample rate
975 samples/second max
PGL Models:
±10V full scale at a gain of 1
±1V full scale at a gain of 10
±100mV full scale at a gain of 100
±10mV full scale at a gain of 1000
1 bit max @ 1kHz sample rate
1 bit max @ 1kHz sample rate
1ms to 0.01% at all gains
1 MW
8 each input and output
TTL compatible
0.4mA @ 2.4V
7.2mA @ 1V
4.7kW pull-up to +5VDC
16 elements
Specifications
3
DI–700 Series User Manual
PGH Models:
±10V full scale at a gain of 1
±5V full scale at a gain of 2
±2.5V full scale at a gain of 4
±1.25V full scale at a gain of 8