KYOWA DPM-92A-I Strain Amplifier Cards (The suffix “-I” means with feature of robustness against inverter noise.) Multi Signal Conditioner

Channels

1

Compatible Bridge Resistance

60 to 1000 Ω

Gage Factor

2.00 fixed

Bridge Excitation

2 V_rms

Balance Adjustment

Resistance: Within ±2% (±10 k ×10^-6 strain)
Capacitance: Within 2000 pF (Bridge resistance 120 Ω)

Balance Adjustment Methods

Resistance: Auto balance
Accuracy: Within ±0.5 ×10^-6 strain (When 5 V output to 100 ×10^-6 strain input)
Capacitance: CST (Capacitance self-tracking)

Frequency Response

DC to 5 kHz (Deviation: ±10%)

Carrier Frequencies

12 kHz

Nonlinearity

Within ±0.2% FS

Calibration (CAL)

±(1 to 9999 ×10^-6 strain)
Accuracy: Within ±(0.5% + 0.5 ×10^-6 strain)

Sensitivity Adjustment

Sensitivity is set in combination with a 4-digit INPUT switch and a 3-digit OUTPUT switch.

OUTPUT switch range: 1.00 to 5.00 V in 0.01-V step
INPUT switch range: 100 to 9999 ×10^-6 strain in 1×10^-6 strain step
Accuracy: Within ±(0.5% +5 mV)
Range: ×200 to ×50000

Fine Sensitivity Adjustment

×0.4 to ×1

LPF

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

HPF

Cutoff frequencies : 0.2 Hz, OFF (2 steps)

SN Ratio

Conditions: When 200 ×10^-6 strain input and 5 V output, 120 Ω short.
DPM-92A-I: ≥ 40 dB_p-p

Stability

Temperature
Zero point: Within ±0.1×10^-6 strain per ºC
Sensitivity: Within ±0.05% / ºC

Time
Zero point: Within ±1 ×10^-6 strain per 8 h
Sensitivity: Within ±0.3% / 8 h

(When 100 ×10^-6 strain input and 5 V output, zero point is measured by 120 Ω short, sensitivity is measured by 120 Ω bridge.)

Output

Dual output, both BNC connector and integrated connector output the same signal

Voltage output: ±5 V, when load resistance 5 kΩ or more
Zero adjustment: -0.1 to 0.1 V

Output Off Function

Available

Output Impedance

2 Ω or less

Withstand Voltage

500 VAC for 1 min, between the following two positions respectively:
　Input and output
　Input and case
　Output and case

Over Input Indication

LED lights up.

TEDS

Reads the sensor's TEDS information then sets the rated output to OUTPUT switch as output voltage.

Input Open Detection Function

Saturates output in the negative direction when input is open.

Connector Type

Input connector : NDIS4102 (7 pins) connector
Output connector : BNC connector

Dimensions

24 W × 96 H ×170 D mm (Excluding protrusions)

Weight

Approx. 190 g

Compliance

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