Measurement Computing DBK Part 2 - Manual (Page 140)

DBK65 pg. 12 988793 DBK Option Cards and Modules
DBK65 Specifications
Dimensions: 285 mm W x 220 mm D x 45 mm H (11” x 8.5” x 1.75”)
Weight: 1.13 kg (2.5 lbs.)
Operating Temperature: -30°C to +70°C
System Connector: DBK37 male, mates with P1 connectors
Transducer Connectors: 8 removable screw-terminal blocks. Each block has 6 terminals.
Power Connectors: DIN5 Power In, DIN5 Power Out
DC Power Input: +10 to +30 VDC
DC Power Required (through DBK65 Power-In DIN5): 15 V @ 833 mA, 20 V @ 625 mA, assuming max load
DC Power Required (from P1-based host acquisition device): 25 mA from ±15 V, 755 mW total
Gain Ranges: x1
Inputs: 8 differential voltage inputs
Maximum Voltage Range: ±10 V
Input Impedance: 20M Ohm
Accuracy: ±[0.025% +150 µV] (typ), ±[0.1% +250 µV] (max)
Noise: 60 µV
RMS
(typ)
Temperature Coefficient: 10ppm for every degree outside the range of 0° to 50°C
Maximum Signal Input Voltage (without damage): ±35 V
3 dB Bandwidth: 2.6 MHz
CMRR: 80 dB (typ)
Output Voltage: Each channel, jumper-selectable to +5 V, +10 V, +15 V, and +24 V
or to a custom voltage setting within the range of +5 to +20 V (user set via resistor)
Voltage Accuracy: ±2% (typical)
Current Limit: 100 mA per channel
Load Regulation: 5% (typ)
Total Output: 240 mA max, total of all 8 channels
Accessories and Cables
Rack mount kit RackDBK3
Shielded P1 T cable for use with DaqBook/2020, LogBook/360, WBK40, WBK41 CA-255-4T
Shielded P1 T cable for use with DaqBook/2001, /2005, LogBook/300, DaqLab/2001, /2005 CA-255-2T
Ribbon cable for use with DaqScan CA-37-x
(see note)
Note: The CA-37-x ribbon cable can also be used in lieu of the CA-255-x molded T cables.
The following 4 graphs illustrate the current limiting capabilities of the DBK65 for 5, 10, 15, and 24 VDC excitation
values.