Buy RADEX RD1503 - Radiation DetectorRADEX RD1503 - Radiation Detector Product Description:
- Simple product and operation;
- Measurement cycle of 40 seconds;
- Error of indication (at P=0.95) is +/-15%;
- Scale range ambient dose rate equivalent is 0.05~9.99µSv/h;
- Combined Beta- and Gamma- radiation reading.
Product Description
RADEX RD1503 - Radiation Detector was developed for use by the main stream public, for detecting a level of radiation in open air and indoors, as well as for basic verification of radiation contamination of materials and objects.
This device was specifically designed for every-day use by people with no knowledge of radiation dosimetry. It is rugged, inexpensive, and has few options to eliminate confusion.
RADEX RD1503 contains one, low-voltage SBM20-1 type Geiger-Muller counter for beta- and gamma-radiation detection and measurement. This is the same type of counter that is often used in the professional dose measuring equipment.
Energy range scale: MeV 0.1~1.25
Scale range of ambient dose rate equivalent: µSv/h 0.05~9.99
Scale range of exposure dose rate: µRem/h 5~999
The measured result is calculated in 40 seconds cycles. The results are shown in microSievert per hour (microSv/hr).
RADEX RD1503 incorporates the following features:
audio alarm with 3 adjustable thresholds;
continuous measurement cycle;
backlit display;
English language menu.
Requires 2 x AAA batteries (included).
One year Manufacturer's Warranty included (please be aware that all warranty claims are processed by authorized resellers only).
Customer Reviews
Most helpful customer reviews
65 of 66 people found the following review helpful.
Nice simple instrument
By R. Speizer
This is a simple lightweight instrument. Made in Russia. Easy to use. Does not tick or beep with each count, only when a theshold is crossed in terms of counts.I gave it a 4 instead of 5 because the manual seems to have been written by someone with a Russian/English dictionary who had one semester of English. But it was understandable. It also did not have any information on how to interpet the readings.Not a professional instrument but good for someone who wants to be prepared for a local nuclear accident or terroist attack. Peace of mind. I tested it by holding it near a smoke detector and it worked!
56 of 57 people found the following review helpful.radioactivity counter- low cost geiger counter
By L. Burgoyne
I bought this device to use as the subject of a hiking project with my grandchildren, mapping with a GPS as I go and recording the local radioactivity as I go. (It should make a nice intellectual point to hiking.)I first tried the device at my home (unradioactive I hoped) and then some other places that I knew, from previous use of laboratory-grade counters, definitely had some local radioactivity in the sand and cliffs and it gave readings more or less as I expected from the previous use of much more expensive counters. As another test, it also picked up radioactive gas-mantles quite well indeed when I sat the device upon one (the luminescent gas-mantles as often used in camper lamps are often very solidly radioactive--- a ref on this is available if amazon requests) The strong signal was expected but it was reassuring to get it. The device is convenient to use and I found gave repeatable results although you have to leave it sit for a few minutes to get a reliable result. Note that if you use gas old-style mantles to test it yourself please make sure they are the old-fashioned thorium based gas mantles as the many modern gas mantles are no longer radioactive. In my experience the non-radioactive mantles advertise this clearly on their packet and the old radioactive mantles are discreetly silent about radioactivity on their packet. (Choose one from an old camping shop that doesnt mention radioactivity on its packet and then dont sleep near it!)The four stars come from its very low price for doing an adequate job.
69 of 73 people found the following review helpful.
Compact and good geiger counter - gave me peace of mind
By NV
I have been worried about the radiation level in Seattle WA after the Fukushima Nukes melt down. The government does not provide any data regarding level of radiation. So I purchased the Radex to protect my family. Radex is very compact and I can carry it anywhere.Today I measured the radiation level at home; It was 0.08-0.13 micro seiverts per hour(sv/h) at the 2 feet from the floor - I was kind surprised to know how high the level is. The 0.10 micro seiverts per hour at home means that I will receive 0.876 mili-severts of radiation a year (=0.10 x 24 hour x 365 days /1000). Assuming that it is safe to be exposed to up to 1 msv a year, the radiation level at home should not exceed 0.12 micro sv/h. It is not the level that we have to move to the safer place, but we need to be pay attention to the level of radiation.I also checked the level of radiation outside of the house. It was 0.10-0.20 micro sv/h at the 2 feet from the ground. As expected, the level of radiation was relatively high at the place close to puddles (0.20 micro sv/h), drain outlets (0.14 micro sv/h), and a park ground (0.13 micro sv/h). As we don't stay outside for 24 hours, I don't worry so much. However, parents and pet owners should be careful so that children and pets not be exposed the radiation.It was definitely a good purchase because it gave me peace of mind - I though that the level of radiaiton was much higher here. For professional scientists, Radex might not be as stable as the expensive geiger counters. However, Radex geiger counters do a good job for the people like me. I will keep monitoring the level of radiation with Radex to protect my family.Update - 3/30/3012Since I purchased Radex, I've got the chance to go business trip to Japan. I was scared to go Japan because of Fukushima meltdown. I carried Radex with me.The radiation level in Tokyo is almost twice as high as Seattle. Inside of hotel: 0.13-0.16 micro sv/h. Outside: 0.20-0.30 micro sv/h (measured at 2 feet from the ground). I wore a mask all the time during my stay in Tokyo to prevent radioactive hot particles from coming into my throat (i.e., some of scientists detected plutonium, cobalt 60 and cesium, etc in the soil and dust in Tokyo). According to Radex instruction, we can calculate radiation level of food and water. I checked the radiation of the water in the bath tub. It was 0.13 micro sv/h...But, the highest level of Radiation I measured was not in Tokyo - it was on the airplane heading to Narita Airport. The highest point was 2.85 micro sv/h(!!). My Radex started to alarm and kept indicating more than 1.0 micro sv/h for over 5 hours. This means that I was exposed to at least 20 micro sv during my business trip to Japan:( The radiation emitted from Fukushima nukes is drifting in the air away from Japan. Airplanes travel through this air, which is very scary! For comparison, I checked the radiation level in the flight between Seattle to Vancouver - it was just 0.20 micro sv/h. Now I understand the reason why airplane companies try to avoid Narita Airport...Anyway, thanks to Radex, I can calculate how much radiation I will be exposed a year. I am trying to keep exposure to radiation less than 1 mil sv/year.
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