LUDLUM 2242 ອຸປະກອນວັດອັດຕາກາມມາ (Gamma Exposure Scaler-Ratemeter) (0.1 mR/hr ~ 999.9 R/hr)
Indicated Use: Hazard assessment, Emergency response
Detector: 2 internal energy compensated GM tubes
Sensitivity: 1000 cpm per mR/hr & 17 cpm per mR/hr
Energy Response: Within 15% of true value from 60 keV to 3 MeV
Meter: 4-digit LCD display with 1.3 cm (0.5 in.) high digits, separate annunciators for display units, alert, alarm, low battery, detector overload
Display Range: 0.1 mR/hr to 999.9 R/hr
Backlight: Pushbutton to activate
Range Switch: LOW (mR/hr), HIGH (R/hr)
Reset: Pushbutton to zero meter
Calibration Controls: Some are accessible from the front of the instrument, others are internally located
Overload Protection: Included, indicated by message on display
Alert/Alarm: Indicated by annunciators on display and audible tone
RS-232 Port: Outputs data every 2 seconds, can also be used to calibrate via optional software
Audio: Built-in unimorph type speaker with ON/OFF switch
Temperature Range: -30 to 50 °C (-22 to 122 °F)
Working Environment: Splashproof for outdoor use
Power: 2 "D" cell batteries (housed in sealed compartment that is externally accessible)
Battery Life: Typically 200 hours with alkaline batteries, low battery indicated on display
Size (H x W x L): 16.5 x 8.9 x 21.6 cm (6.5 x 3.5 x 8.5 in.)
Weight: 1.6 kg (3.5 lb), including batteries
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ