KYOWA CDV-44AS Strain/Voltage Measurement Isolation Card Conditioner Cards

Channels

4

Input Resistance

Approx. 10 MΩ + 10 MΩ (Strain mode)
Approx. 1 MΩ (Voltage mode)

Input Format

Balanced differential input (Strain mode)
Unbalanced input (Voltage mode)

IMRR

120 dB (When 500 ×10^-6 strain range)

Gage Factor

2.00 fixed (Strain mode)

Frequency Response

[With DC coupling]
　DC to 5 kHz, deviation within +1 dB, -3 dB

[DC cut (With AC coupling)]
　0.2 Hz (See the HPF)

Bridge Excitation

Within 2 VDC ±2％ (Strain mode)

Range Accuracy

Within ±0.3% FS

Compatible Bridge Resistance

120 to 1000 Ω (Strain mode)

Measuring Range

500, 1 k, 2 k, 5 k, 10 k, 20 k ×10^-6 strain, and OFF
　(Strain mode)

1, 2, 5, 10, 20, 50 V, and OFF
　(Voltage mode)

Balance Adjustment Range

Within ±2.4％ (±12000 ×10^-6 strain)
　(At strain measurement)

Within ±5 V
　(At voltage measurement)

ZERO Accuracy

Within ±0.3% FS (Voltage OFF mode)

Nonlinearity

Within ±0.1% FS

Calibration Values (CAL)

Output at ±100％ and ±50％ of each range
Accuracy: Within ±0.3%FS

Monitor Output

Accuracy: Within ±5 V ±0.5％ (±5 V to full scale of each range)

LPF

Transfer characteristic : 2nd order Butterworth
Cutoff frequencies : 10, 30, 100, 300, 1 kHz and FLAT (6 steps)
Amplitude ratio at cutoff point : -3 ±1 dB
Attenuation : (-12 ±1) dB/oct.

HPF

Cutoff frequencies : 0.2Hz
Attenuation : Within (-6 ±1) dB/oct.

AD Converter

16 bits

TEDS

Reads information from TEDS-installed sensors.

Isolation

Between input and case (Output) : Withstand voltage 500 VDC, 1 min.
Between channels : Withstand voltage 500 VDC, 1 min.