KYOWA CDV-40B Strain/Voltage Measurement Card Conditioner Cards for EDX Series

Measuring Targets

Strain gages
Strain-gage transducers

Voltage

Channels

8

Input Modes

Balanced differential

Unbalanced

Input Resistance

Within (10 MΩ + 10 MΩ) ±10%

Within 1 MΩ±10%

Coupling

DC/AC

Frequency Response

[DC coupling]
　DC to 50 kHz (Deviation: 0.5 dB to -3 dB)

[DC cut (AC coupling)]
　0.2, 1 to 50 kHz (See the HPF)

Gage Factor

2.00

-

Bridge Excitation

2 VDC ±2%

-

Compatible Bridge Resistance

120 to 1000 Ω

-

Balance Adjustment

±2.4% or more (±12000 ×10^-6 strain)

-

Balance Adjustment Methods

Auto balance (Saved in nonvolatile memory)
Accuracy: Within ±(0.1% FS +2 ×10^-6 strain)

-

Measuring Range

8 steps of 500, 1 k, 2 k, 5 k, 10 k, 20 k, 50 k (×10^-6 strain), OFF

8 steps of 0.1, 0.2, 0.5, 1, 2, 5, 10 V, OFF

Range Accuracy

Within ±0.2% FS

Calibration

±100%, ±50%, each range
Accuracy: Within ±0.3% FS

Nonlinearity

Within ±0.1% FS

LPF

Transfer characteristics : 2nd order Butterworth
Cutoff frequencies : 8 steps of 10, 30, 100, 300, 1 k, 3 k, 10 k [Hz] and FLAT
Amplitude ratio at cutoff point : -3 ±1 dB
Attenuation : -12 ±1 dB/oct.

HPF (DC cut)

Cutoff frequencies: 0.2, 1 Hz
Attenuation: -6 dB/oct.

AD Converter

16 bits

Sampling Frequencies

200 kHz (Max.)

Compliance

Directive 2014/30/EU (EMC)
Directive 2011/65/EU, (EU) 2015/863 (10 restricted substances) (RoHS)