Ion Chamber Metal Geiger Fire Alarm Security System Source Smoke Detector Sensor

Description

Product Description
Specifications:
1) Ionization source characteristics and radiation safety performance:
2) The ionization chamber fitted with a high performance and low activity of Am-241 ionization
3) Ionization source activity: 0.5uCi ( 18KBq ) 0.8uCi±10% ( 30KBq±10% )
4) Ionization source a spectroscopy: peak: 4.5MeV ± 10%, FW HM<0.7MeV
5) Safety grading standards ( GB4075, IS02919 ) C64444
6) Ionization chamber radiation dose rate at 25cm: 0.03mGy/ ( 1mGy value lower than population dose standard )
7) Ionization chamber specification, parameter:
8) Conditions: outer electrode and the source electrode voltage ( VDD supply voltage ): 9V
9) Environment temperature: 20 + C: close to atmospheric pressure standard atmospheric pressure, clean air
10) Collecting electrode equilibrium potential: 5.3~6.5V
11) Collecting electrode potential with the smoke concentration change
12) Light reduction rate was 1% feet: 0.6V
13) Light reduction rate was 4% feet: 2.2V
14) Insulator leakage current ( Max ): 0.5Pa
16) Capacitor ( collection of extreme outer electrode + to the source base ): 6.0pF
Material: Metal
Color: Silver
Size: 3.8*3.8*2.cm
Package included:
1 x Smoke Detector Sensor
Shipping
Returns
Payment
Feedback
Once we have received cleared full payment, your items will be dispatched in 1-3 days.
It normally takes :
7-14 business days
for US, UK, Canada, Australia, Asian countries.
14-21 business days
for Spain, German, Middle East countries.
18-25 business days
for Russia, Brazil, Italy, France, European countries.
24-32 business days
for South American countries.
We send items by air mail to the buyer without track number. There maybe some delay due to flight, holiday, weather, local post, local natural disaster impact. if your shipment delays, we hope you can be patient, and at the same time contact us, we will try our best to help you.
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 / buying.
If any item is defective upon receipt or do not work, please contact us for the return address, return is accepted within 30 days after the buyer receiving the item.
Returned item has to be in its original condition. Buyer is responsible for return shipping costs . After receiving the return we will make a replacement depends on our available stock, if not available, a refund will be issued.
1
. We accept Paypal only.
2
. We only ship to your Paypal's address, please ensure your shipping address on your paypal account is correct. If you have any change for address, please inform us in ebay note.
3
. Payment must be fulfilled within 7 days after purchase. All non-paying orders will receive an unpaid reminder from eBay.
1. In order to provide you the best service please treat the transaction fairly. Feedback is our life, before you leave a neutral or negative feedback, please DO contact us to get a better solution, Because we don't want to get a NEUTRUAL feedback or NEGATIVE feedback .
2. If you are satisfied with our products and service, please help to leave "Positive Feedback" and "5 Perfect Stars”,for us when you receive your items and we will do the same for you. Thanks in advance!
3. If you have any questions regarding the transaction, before leaving any feedbacks, please contact us and give us an opportunity to find a solution. Thank you!
Shipping
Once we have received cleared full payment, your items will be dispatched in 1-3 days.
It normally takes :
7-14 business days
for US, UK, Canada, Australia, Asian countries.
14-21 business days
for Spain, German, Middle East countries.
18-25 business days
for Russia, Brazil, Italy, France, European countries.
24-32 business days
for South American countries.
We send items by air mail to the buyer without track number. There maybe some delay due to flight, holiday, weather, local post, local natural disaster impact. if your shipment delays, we hope you can be patient, and at the same time contact us, we will try our best to help you.
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 / buying.
Returns
If any item is defective upon receipt or do not work, please contact us for the return address, return is accepted within 30 days after the buyer receiving the item.
Returned item has to be in its original condition. Buyer is responsible for return shipping costs . After receiving the return we will make a replacement depends on our available stock, if not available, a refund will be issued.
Payment
1
. We accept Paypal only.
2
. We only ship to your Paypal's address, please ensure your shipping address on your paypal account is correct. If you have any change for address, please inform us in ebay note.
3
. Payment must be fulfilled within 7 days after purchase. All non-paying orders will receive an unpaid reminder from eBay.
Feedback
1. In order to provide you the best service please treat the transaction fairly. Feedback is our life, before you leave a neutral or negative feedback, please DO contact us to get a better solution, Because we don't want to get a NEUTRUAL feedback or NEGATIVE feedback .
2. If you are satisfied with our products and service, please help to leave "Positive Feedback" and "5 Perfect Stars”,for us when you receive your items and we will do the same for you. Thanks in advance!
3. If you have any questions regarding the transaction, before leaving any feedbacks, please contact us and give us an opportunity to find a solution. Thank you!
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