Check the listing for details. METRINCO R600UA dosimeter (with ISO 17025 Metrological Calibration Certificate). Condition: New. Listed at 344.99 USD. Features and benefits of the R600UA dosimeter:X-ray, gamma and beta radiation monitoring.Built-in Geiger-Muller counter, which is characterized by a wide range and high measurement accuracy.Real-time dose rate measurement and simultaneous cumulative dose recording.Possibility of setting the alarm threshold for radiation power and dose.Ability to view the start date of measuring the current cumulative dose.Sound alarm when permissible limits of power measurement and radiation dose value are exceeded.The device's built-in memory stores data on the accumulated dose value, power alarm threshold and dose values ​​that will not be lost after the power is turned off.Continuous battery monitoring and low battery indicator function.Real-time dose rate curve display function.Function to turn on/off the LCD backlight.The device is powered by 3 AA batteries or a built-in battery that can be charged via a USB connector.Specifications R600UA Housing material ABS plasticColor Black, whiteDetector type Built-in Geiger-Muller counterMeasuring range 0.1 µSv/hour~ 10 mSv/hourDosage 0.00 µSv ~ 10 SvSensitivity ＞ 1 cps / µSv/hour (relative to 60 Co)Maximum dose equivalent rate 99.99 µSv/hourAlarm threshold 0.5 (adjustable)Operating ambient temperature -25~45℃Operating relative humidity Less than 95%Energy measurement range 48 keV ~ 1.5 MeVRelative internal error < 10% (at 1 mSv/h)Power source: 3 AAA batteries (included) or USB cablePower consumption