J304(metal) Geiger counter GM Detectors tube Nuclear radiation detection sensor GM tube metal Geiger tube nuclear radiation dete (1600896211359)

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Product Overview


Product Description


Spec of (G-M) J304βγ Counting tube
This tube is a thin-walled halogen counter tube which used for the detection of γ and hard β Ray intensity.
1.Outside Diameter: 10mm
2.Maxium Length: 88mm
3.Material of outer case: Stainless steel

The main parameters
1. Initial voltage(volts): <340V
2. The plateau voltage(volts): 360~440V
3. Maximum plateau slope: <12.5%/100V
4. Operating temperature range (℃): -40℃~+70℃
5. Maximum anode voltage(volts): 550V
6. Minimum dead time(at U=600V,micro sec): 75μs
7. Recommended operating voltage(volts): 400V
8. Count Life(pulses): 10*109 pulse
9. Detecting: Gamma and hard Beta
10. Sensitivity of γ: 35CPS/mr/h

Conditions of usage:
1.Load resistance: >5 Megohm
2. The tube metal shell and socket shell are cathodes, and the top of the socket is an anode

1 year
Customized support
Place of Origin
Brand Name
Model Number

Packing & Delivery


Company Profile

Henan xinzhipu Import&Export Co,Ltd, is a professional supplier of digital products and consumer electronics. Which is specialized in the Designing and developing, and marketing of digital products and consumer electronics for globe clients. And most of our clients are from Europe, USA,East Aisa etc.
Our main products are Geigur Muller Tube, Gas Detection Instruments and Medical Body Fat Scale etc. which are usually used in Medical,Gas Detecting,Personal Healthy Protection etc.
We focus on the civilian application of cutting-edge technological achievementsand systems in Healthy, Safety,Environment Protection.
With years of hard working and accumulation,Our products are worldwidely used in Intelligent Municipal Engineering,Fire Safety,Atmospheric Controlling,Oil and Petrochemical Industry,Mineral mining,Electrical Power and Special equipment industries.


1. who are we?
We are based in Henan, China, start from 2022,sell to Domestic Market(40.00%),Western Europe(20.00%),Northern Europe(20.00%),Eastern Asia(10.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
nuclear radiation detector,geigur tube,Gas detector,Weight and Height Scale,Digital instrument

4. why should you buy from us not from other suppliers?
we are professional supplier which specialized in the Designing and developing, and marketing of digital products and consumer electronics for globe clients

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,Express Delivery,DAF;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,PayPal;
Language Spoken:English,Chinese

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