![](https://i.ebayimg.com/images/g/bU0AAOSwoFBhzpyh/s-l1600.jpg)
Description:
Specification:
Item Type: Nuclear Radiation Detector
Material: Stainless Steel, Polyurethane
Collector Electrode Equilibrium Potential 5.5±0.3 V
Collector Pole Potential Varies with Smoke Concentration
Dimming Rate: 1%/ft 0.6 V
Dimming Rate: 4%/ft 2.2 V
Insulator Leakage Current (Maximum): 0.5 pA
Capacitance ( Between Collector Pole to Outer Shroud and to Source Base Pole): 6pF
Ionization Source Characteristics and Radiation Safety Performance
A high performance low activity Am 241 ionization source is installed in the ionization chamber.
Ionization Source Activity 0.5μCi(18kBq)±10% 0.8μCi(30kBq)±10
Ionization Source Energy Spectrum 4.5MeV±10%
FWHM﹤0.7 MeV
Safety Polarization Standard (GB4075≈ISO2919) C64444
Radiation dose rate at 25cm of the ionization chamber 0.03mGy/year (lower than the human population dose standard 1mGy value).
Package List:
1 x Nuclear Radiation Detector
Note:
Please allow minor errors due to manual measurement.
Item color displayed in photos may be showing slightly different since monitors are not calibrated same.
Payment:
- We only accept Payoneer.
- Payoneer is the only online payment method we accept. Please make sure you have a valid/confirmed Payoneer account prior bidding. And please make sure that your Payoneer registed address is the same with your eBay registed address.
Shipping:
- It usually takes about 10-30 working days to arrive for economy shipping which not including tracking number; 7-15 working days for standard shipping which including tracking number. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.
- Note: It may takes more than 30 working days to other countries such as Mexico,Brazil,Chile,Peru, because they is far away from China.
- PS: We also offer faster shipping service (3-5 days to deliver), such as DHL,EMS, but buyers need to pay for the extra shipping cost. Please contact us if you need it.
- Customs Declaration:
- Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
- Please check with your country's customs office to determine what these additional costs will be prior to bidding.
Return Policy:
- If you are dissatisfied with our item or service, then please follow the good eBay practice to contact us by eBay message before leaving any feedback. We are committed to resolve all issues in a friendly and satisfactory manner.
- We always reply to eBay messages within 1-2 business days. If you do not get a response from us, then please check your eBay message.
- Only unused, undamaged and original condition item can be qualified for a return.
Feedback:
- We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us instead of leaving negative feedback. We will reply your email within 24 working hours.