http://www.rhelectronics.net/store/mygeiger-3-pro-diy-dosimeter-ratemeter-radiometer-kit-with-lcd-usb.html
The third edition of MyGeiger DIY Geiger Counter Kit. MyGeiger ver.3.00 PRO is intended for measuring gamma radiation dose rate and for precision average CPS counting. The device was build for enthusiasts, a physics students, teachers and researchers engages in radiation study. It fit hobby projects as well as environment or laboratory test. The kit is compatible with wide range of Geiger tubes; it has flexible options for calibration that allows you to adjust your counter for different GM tubes.
The
kit has re-designed efficient high voltage with enlarged output power,
faster microprocessor with updated and enhanced software, USB CPM / CPS
logging, faster lithium charger, reduced power consumption and
comfortable controls. Now it got the ability to operate in radiation
field higher than 1500uSv/h.
Technical specifications:
- High Voltage: 420V or 500V with stabilization
- High Voltage output current 50uA at 500V
- High Voltage is independent from microprocessor, but can be switched ON/OFF by software
- Geiger Tube PCB compatibility: SBM-20 or STS-5
- Geiger Tube Wire connection compatibility: LND-712, LND-7317, SBT-9, SI-29BG and more
- 128x64 High Quality Graphic LCD with Shield PCB
- Calibration Menu
- Gamma Radiation Dose Rate Display range: 0.01 uSv/h – 9.99 mSv/h
- Gamma Radiation Dose Rate with SBM-20: 0.05uSv/h – 1500 uSv/h
- Gamma Conversion Factor calibration 0.7 – 9.0 CPS for 1uSv/h
- DER updating period on LCD: 1 second
- DER full measurement period: 60 seconds
- CPS Ratemeter Counter Mode for external scintillation probe
- Average CPS mode for precision sample testing
- Sample time for precision measuring Average CPS: 5-60 minutes
- Dead time correction option: 10uS - 250uS, set zero for disable
- Audible Alert function with adjustable threshold: from 1uSv/h to 200uSv/h
- Built in USB port for logging CPM or CPS
- Adjustable USB port UART speed for logging software 2400-9600 baud
- Mute / Backlight / Menu control with comfortable big buttons
- Battery Indicator and USB detection
- Built in USB charger with overcharge protection for 3.7V lithium battery
- Recommended battery type: 3.7V lipo with capacity >300mAh
- Battery quiescent current consumption at background: 2.5mA
- Battery current consumption in sleep mode: less than 0.2mA
- Operating Voltage: 3.0V – 5V
- Sleep function, option to use external mechanical ON/OFF switch if required
- Auto power OFF option after 10 minutes - 4 hours, set zero to disable
- Quality soldered PCB with modern SMD components, the kit is assembled
- Dimensions: 51mm x 130mm x 32mm
- UPC Number: 634154871188
- SKU Number: RH-K-GK-PRO
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