Wbk16 – specifications – Measurement Computing WBK Options User Manual
Page 78

WBK16, pg. 38
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WBK16, Strain-Gage Module
WBK16 – Specifications
Name/Function: Strain-Gage Module
Number of Channels: 8
Input Connector: Standard female DB9 per channel
Input Type: Differential
Input Impedance: 100 M
Ω
Coupling: AC and DC, software selectable
Accuracy:
Offset Drift: 1
µV RTI/°C
CMMR @ DC to 60 Hz: 100 dB at gains > 100
Cross-Talk Rejection: > 90 dB @ less than 1 kHz
Bandwidth:
50 kHz @ gains < 1 to 100
10 kHz @ gains > 100 to 2000
1 kHz @ gains > 2000
Bridge Configuration:
Full-bridge (4- and 6-wire)
Half-bridge
Quarter-bridge (2- and 3-wire)
Bridge Completion: User supplied resistors on removable headers (included)
Bridge Resistance: 60 to 1000
Ω
Overall Gain: 1 to 20000, software selectable in 86 steps
Shunt Calibration: software selection of 3 user-supplied resistors
Auto-Balance: Selected per channel
Auto-Calibration: Either by actual measurement or by calculated load
Offset Adjustment:
±3 V RTI @ gains 1 to 10
±300 mV RTI @ gains 10 to 100
±30 mV RTI @ gains 100 to 2000
±3 mV RTI @ gains 2000 to 20000
Excitation Source: Two independent banks can be set to 0.5, 1.0, 2.0, 5.0, 10.0 volts or off
Excitation Accuracy: ±5 mV
Excitation Capacity: 85 mA per channel with fold-back current limiting
Filtering: 4-pole Butterworth, software-selectable and factory-set to 10 Hz, 1 kHz, or bypass;
field-changeable
Input Power Voltage Range: 10-30 VDC
Power Consumption: 1.0A @ 15V (min);
1.7A @ 15V (max)
Operating Temperature: 0° to 50°C
Storage Temperature: 0° to 70°C
Humidity: 0 to 95% RH, non-condensing
Dimensions: 221mm x 285mm x 35mm (8.5” × 11” × 1.375”)
Weight: 1.32 kg (2.9 lb)