咪頭6050-規(guī)格書(編輯修改稿)
2024-08-16 14:59 本頁面
【文章內(nèi)容簡介】 or 200 hours, ,the sensitivity to be within 177。3dB from the initial value.After exposure at –25℃ for 200 hours the sensitivity to be within 177。3dB from the initial value.Humidity TestAfter exposure at 40℃ and 90~95% relative humidity for 200 hours, the sensitivity to be within 177。3dB from the initial sensitivity.Temperature Cycle TestAfter exposure at –25℃ for 30 minutes, at 20℃ for 10 minutes, at +60℃ for 30 minutes, at 20℃ for 10 minutes, 5 cycles, the sensitivity to be within 177。3dB from the initial sensitivity.Vibration TestTo be no interference in operation after vibrations,10Hz to 50Hz for 1 minute full amplitude ,for 2 hours at 3 axises.Drop TestTo be no interference in operation after dropped to concrete floor each one time from 1 meter height at three directions in state of packing. 7. CONCEPT OF UNITThe difference between concept of unit “Pascal” and the one of unit “μbar” can be explained as follows. In calibrating the sensitivity of ECMs,The sensitivity is manifested differently according as the unit is “Pascal” or “μbar”. That is
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