Check the listing for details. DC Magnetic Field Tester Gaussmeter Tesla Tester With Hall Sensor 0~200mT~2000mT. Condition: New. Listed at 118.71 USD. DC Magnetic Field Tester Gaussmeter Tesla Tester With Hall Sensor 0~200mT~2000mTNote: Battery not Included During The Shipping !!! Introduction：* Used for measuring the magnetic induction intensity of DC magnetic field, radiation magnetic field, remanence magnetic field, earth magnetic field, and other magnetic fields.Features：* Portable, wide range.* Easy to operate, clear LIQUID crystal display.* There are measurement/peak retention, mT/Gs unit conversion.* 200mT/2000mT range conversion, etc.Principle：* The tension sensor is based on Hall's principle.The circuit uses a low drift amplifier and a high stable power supply, controlled by a single chip microcomputer, and displays the measured values on a 41/2LCD.Specifications：Measuring range0~200mT~2000mTThe accuracy ofDC,5%(measured in a uniform magnetic field)Magnetic field under testDc magnetic field (static magnetic field)Functional specificationsPeak retention Gs(Gauss) /mT (Millitesla) can be switched freelyDc polarity of measurementN for positive, S for negativeOperating Conditions5℃~40℃Relative humidity20%~80%（There is no dew）Power supply4x1.5v AAA (UM-4) Battery(not included)Overall dimensions140mm (L) X73mm (W) X 30mm (H)Instrument weight180gDisplay mode41/2LCDAccording to the unitmT/GsStandard AccessoriesMain engine (one) Hall sensor (one) Operating Instructions (one copy) 1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0