Dataq Instruments DI-188 Panduan Pengguna - Halaman 9
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Halaman Cetak
2. Specifications
Analog Inputs
Number of Channels:
Channel Configuration:
Voltage Measurement Range:
Input Impedance:
Isolation:
Typical accuracy:
@ 25°C, excluding common mode error
Absolute maximum input without damage:
System noise:
Maximum common mode + differential volt-
age:
Common mode rejection ratio:
Channel-to-channel crosstalk rejection:
Optional Grove Ports
Number of ports:
Type:
Threshold levels:
Absolute maximum applied voltage (V):
ADC Characteristics
Resolution:
Maximum sample rate per channel:
Min. sample throughput rate:
Sample rate timing accuracy:
Indicators and Connections
Interface:
Indicators (LED):
Input Connections:
Power
Power Consumption:
4
Differential
±10V Full Scale fixed
1M
none
±50 mV
±30 V peak, continuous
7.8 mV rms
± 10 V
40 dB (dc - 60 Hz)
-80 dB
One I2C port installed. Others at extra cost (I2C, RS232 and DIO)
Grove Ports for Arduino®-compatible Sensors
Defined by XIAO module
3.3 V dc
12-bit
Above zero ADC counts: 2,047
Below zero ADC counts: 2,048
8 kHz, 1 enabled channel
4 kHz, 2 enabled channels
2 kHz, 4 enabled channels
0.01 Hz
50 ppm
USB 2.0 (USB C connector)
LEDs on XIAO module
One 8-position terminal strip
<0.2 Watt, via USB interface
Specifications
3
DI-188 Hardware Manual