Compteur Geiger portable, détecteur de rayonnement nucléaire et radioactivité, appareil de mesure et test avec écran, instrument de surveillance des rayonnements ionisants

Specification: Functions: electric field measurement, magnetic field measurement, temperature measurement Electric field measurement: Range: 1 V\/m-1999 V\/m Alarm threshold:>40 V\/m Resolution: 1 V\/m Magnetic field measurement: Range: t- t Alarm threshold: zero point four T Resolution: 0.01 t Temperature measurement: Range: - 10C~70C Reading display: 3-1\/2-bit LCD Test frequency bandwidth: 5Hz-3500MHz Sampling time: about 0.4 seconds Working humidity: relative humidity less than 80% Working voltage: DC4.5V Power supply: AAA1.5V * 3 ( Not included Package Includes: 1 x Radiation Detector 1 x Manual