Home page About Us Feedback See our other products Add to Favourite Contact us Shop categories Baby Automotive Electronics Home Improvement Kitchen & Dining Home & Kitchen Musical Instruments Office Products Toys & Games Shop pages Home page See Our Other Products Add to Favourite About the seller International Medcom CRM-100 Digital Radiation Monitor Product Specification Radiation detector used for surveying levels of potentially harmful ionizing particles and rays in the environment such as in naturally occurring radioactive material (NORM) contamination, contamination detection of packages, and equipment, and in first responder, personal safety, educational, and ambient monitoring applications Device is not energy compensated, and allows for detection of ionizing radiation types including alpha and beta particles, and gamma rays and x-rays LCD digital light displays current radiation level in milliroentgens (mR) per hour (mR/hr), or counts per minute (CPM); or when SI (metric) units are selected, in microSieverts (?Sv) per hour (?Sv/hr), or counts per second (CPS) Provides total count for a timed period (from one minute to 40 hours) to determine average CPM over a period of time for higher accuracy Red, flashing light indicates counting for a timed period (from one minute to 40 hours), and audible beeper (which can be muted) indicates each ionizing radiation event Features The International Medcom CRM-100 is a hand-held radiation detector that detects potentially harmful ionizing alpha and beta particles, and gamma and x-ray radiation, and features an accumulated total timer function, a Geiger-Mueller (G-M) tube, and LCD digital display of milliroentgens (mR) per hour (mR/hr), counts per minute (CPM), microSieverts (?Sv) per hour (?Sv/hr), or counts per second (CPS). This radiation detector has the ability to detect levels of the four main types of ionizing alpha and beta particles, and gamma rays and x-rays over automatic operational ranges. It is optimized to detect small changes (low levels) in radiation levels and to have high sensitivity to many common radionuclides. The CRM-100 features a 4-digit LCD digital display that updates every three seconds. It displays current radiation level in choice of mR/hr, or CPM; or when SI (metric) units are selected, in ?Sv/hr, or CPS. The detector counts ionizing radiation changes at 3-second intervals. At low background levels, which are typical in a geographic area, the count update is the moving average for the most recent 30-second time period. A moving average helps smooth out short-term data fluctuations. The time period for the moving average decreases, as radiation levels increase. A red LED light flashes with each ionization event. The instrument has an accumulated total count and a timer function that provides total event count for a timed period (from one minute to 40 hours) to determine average CPM for higher accuracy. The radiation detector has an audio indicator with an internally mounted beeper that can be muted. Total timer, audio on/off and units of measurement are selected and displayed using the front-panel mode indicators. This radiation detector has a halogen-quenched, Geiger-Mueller (G-M) tube with a pancake-shaped mica end window for sensing ionizing radiation. The unit is used for surveying levels of potentially harmful ionizing particles and rays in the environment such as in naturally occurring radioactive material (NORM) contamination, contamination detection of packages, and equipment, and in first responder, personal safety, educational, and ambient monitoring applications. It comes in a protective soft carrying case. The Radalert CRM 100 comes with a Certificate of Conformance. It cannot be returned. Specifications Sensor Geiger-Mueller detector (LND712) with Mica end window 1.5 to 2.0 mg/cm2 density. Side wall 0.012? 446 stainless steel Operation ranges 0.001 to 110 mR/hr, 0 to 350,000 CPM 0.01 to 1,100 ?Sv/hr, 0 to 3,500 CPS 0 to 9,999,000 total counts Timer operation range 1 minute to 40 hours Calibration Cesium 137 (gamma) Sensitivity 1000 CPM/mR/hr referenced to Cesium (Cs)137, detected through the end window Accuracy + or - 10% typical, + or -15% maximum (mR/hr and ?Sv/hr modes) Radiation level display 0.001 to 110 mR/hr, or 0 to 350,000 CPM Radiation level display, SI (metric) units 0.01 to 1100 microSieverts (?Sv) per hour, or 0 to 3,500 counts per second (CPS) Output Stereo 3.5 mm jack for counts output to computers, data loggers, other CMOS-compatible devices, and headphones Input Mono 2.5mm jack provides electronic calibration input Power One 9-volt alkaline battery (not included) for approximately 2,160 hours of operation with continuous use in normal background. Minimum battery life is 625 hours at 1 mR per hour with beeper off Dimensions 150 x 80 x 30 mm/5.9 x 3.2 x 1.2 inches (H x W x D) Weight 225 g (8 oz.) with battery (not included) *(H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.) Radiation detectors, sometimes called Geiger counters or G-M counters, can detect a broad range of ionizing alpha and beta particles, and gamma and x-rays that may be emitting harmful levels of radiation. Many detectors sense ionizing radiation with an enclosed Geiger-Mueller (G-M) tube to count radiation particles or rays. Alpha and beta particles are measured in counts per minute (CPM) or counts per second (CPS). Gamma rays and x-rays are measured in milliRoentgens (mR) per hour, microSieverts (?Sv) per hour, or milliSieverts (mSv) per hour. Alpha particles are positively charged and heavier than beta particles, and have a limited range of approximately 3 to 5 centimeters by air. Alpha particles can be shielded by objects such as paper and unopened skin. High-energy beta particles are electrons, heavier than gamma rays, and can take either a positive or negative charge. Beta particles can be shielded by aluminum or wood. High-frequency (short wavelength) gamma rays are the strongest and lightest rays. Gamma rays are more penetrating than alpha and beta particles. They can be shielded by dense materials such as lead, and large masses of concrete, hardened steel, or water. X-rays are man-made gamma rays, and have essentially the same properties and function. Radiation detectors commonly have either an analog or a digital display. Analog radiation detectors output with a needle-point scale, and digital units generate a numerical LCD digit display. Radiation detectors are commonly used by hobbyists for safety detection and rock inspection, and professionals in the in the nuclear, medical, mining, instructional, and research industries. International Medcom, Inc. manufactures radiation detection instruments and systems for the health and safety, environmental protection, and education industries. The company was founded in 1986, and is headquartered in Sebastopol, CA. Many International Medcom products have International Organization for Standards (ISO) or Conformite Europeene (CE) certification. What?s in the Box? CRM-100 radiation detector Soft carrying case Quick start guide Additional Information Manufacturer: International Medcom Shipping Weight: 90 Product Dimensions: Width: 4.70 Length: 7.80 Height: 2.50 Delivery Information Refunds & Returns About Us Our Guarantee Contact Us All our stock is at our US warehouse.Your item will be shipped by either DHL or UPS depending on the size/weight of the package and delivery location. We aim to ship orders within 24hours of processing your payment. Shipping is free. 30 day return or exchange policy for all our products. Only factory defects are accepted as the reason for product return. Returned item(s) must be returned with package completely intact, and all accessory(s) inside the package must be original condition.We do not pay for the postage costs for returned defective items.Items returned must be received within 30 days from purchase. No refund or replacement is issued after 30 day time period after purchase. Please allow up to 7 working days to process your returned item(s) after we receive it.We are extremely fair, and in the rare event of something unusual happening, we will gladly work with you to find a solution. We sell on eBay since 2007. We are based in the US and ship from our own warehouses. Our products are 100% authentic and all brand new. We work with the biggest suppliers in the UK to bring you the best quality items!We guarantee to provide the best service. Customer satisfaction guaranteed!We offer a 100% Satisfaction Guarantee on all sales. If you are not happy with your purchase for any reason, please contact us within seven days of receipt of your item, or email us to share your concerns. We are extremely fair and will happily work with you to find a solution to any problem.We aim to maintain 100% feedback, and we want every single one of our customers to be a happy one. So in the rare case something does go wrong, before leaving a negative feedback, contact us so we can help make things right! In the rare event that you have an issue with your product or our service please contact us by email to share your concerns, we will respond within 24 hours to help to rectify the problem.
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