KYOWA DPM-42B-F Dynamic Strain Amplifier Card, with Antialiasing LPF Conditioner Cards

Channels

4

Frequency Response

DC to 5 kHz (Deviation: Within ±10％)

Compatible Bridge Resistance

120 to 1000 Ω

Gage Factor

2.00 fixed

Bridge Excitation

2, 0.5 V_rms selectable
12 kHz sine wave

Balance Adjustment Range

　Resistance

Within ±2.4% (±12000 ×10^-6 strain)

　Capacity

Within 2000 pF

Balance Adjustment Methods

　Resistance

Auto balance

　Capacity

CST method (Capacitance self-tracking)

Measuring Range

[With bridge excitation 2 V_rms]
200, 500, 1k, 2k, 5k, 10k, 20k ×10^-6 strain and OFF – 8 steps

[With bridge excitation 0.5 V_rms]
1k, 2k, 5k, 10k, 20k, 50k ×10^-6 strain and OFF – 7 steps

Accuracy: Within ±0.5%

Calibration Values (CAL)

Output at ±100% and ±50% of each range

Nonlinearity

Within ±0.2% FS

SN Ratio

50 dB_p-p or more (Range: 500 ×10^-6 strain)

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.

Antialiasing LPF

Transfer characteristics : 8th order Butterworth type
Cutoff frequencies : Automatic setting at x0.25 sampling frequency
Attenuation : -48 ±5 dB (When ×0.5 sampling frequency)
Note: Enabled when AUTO set in LPF settings.

Resolution

16 bits

Additional Functions

Input check function, TEDS

Monitor Output

Accuracy: ±5 V ±0.5% (At ±FS)
Nonlinearity: Within ±0.5% FS

Withstand Voltage

Between input and output: 250 VAC, 1 min.

Compliance

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