Product Description
Main technical indicators of SDY2104 dynamic strain gauge:
1. Number of channels: a combination of multiple channels such as 2, 4, 6, and 8.
2. Applicable bridge resistance: 60 Ω~5k Ω.
3. Supply bridge voltage: 2V, 4V, 8V (current not less than 33mA).
4. Strain coefficient: K=2.00.
5. Balance range: Use ± 1% of the bridge resistance (approximately ± 5000 μ ε).
Fine tuning range: ± 100 μ ε.
6. Balance method and time: Automatic balance, with a balance time of about 2 seconds and a balance holding time of 72 hours.
7. Input impedance: greater than 100 μ Ω.
8. Sensitivity: 2V/100 μ ε (bridge voltage 4V).
9. Non linearity: less than ± 0.1% F · S.
10. Strain calibration values (μ ε): 0, ± 100, ± 500, ± 1000, ± 5000, ± 10000.
Calibration error: not greater than ± 0.5% of the calibration value (minimum ± 1 μ ε).
11. Gain: 100, 300, 500, 1000, 3000, 5000 times; Fine tune the gain by 1-2 times.
Gain error: ± 0.5%.
12. Frequency response: DC~100kHz (+0.5dB, -3dB ± 1dB).
13. Low pass filter: a second-order active Butterworth low-pass filter.
Cut off frequency (Hz): 1k, 5k, 10k, 20k, 40k, F (100k).
Cutoff characteristic: -12dB/octave.
14. Output voltage: ± 10V (peak).
15. Output noise: less than 15mV (effective value).
16. Co analog ratio: 100dB.
17. Stability: Zero drift less than ± 0.5% F · S ± 1 μ ε (4 hours);
Sensitivity change is less than ± 0.2% F · S (4 hours).
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