Portable multi -functional electromagnetism field intensity tester
The utility model relates to a portable multi -functional electromagnetism field intensity tester, include: host system, signal acquisition module, signal amplification module, analog -to -digital conversion module, display module, alarm module, host system includes the STC89C52RC singlechip, the si...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model relates to a portable multi -functional electromagnetism field intensity tester, include: host system, signal acquisition module, signal amplification module, analog -to -digital conversion module, display module, alarm module, host system includes the STC89C52RC singlechip, the signal acquisition module includes inductance coils, the signal amplification module includes LM318 operational amplifier circuit, analog -to -digital conversion module includes PCF8591 analog to digital conversion circuit, the display module includes the LCD1602 LCD screen, alarm module includes buzzer, LED lamp. The utility model discloses the realization is to the accurate high efficiency's of space electromagnetism field intensity measurement, whole equipment small in size, portable, low cost, measurement accuracy height, simple structure, working property stability, can realize the measurement to electric field strength and magnetic field intensity simultaneously to carry out digital display through the LCD screen. |
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