No legal procedures required! A reflective measuring device that can be used with large tanks, despite being a weak radiation source.
The "GR-2000 Series" from Earthnix is a reflection-type γ-ray level switch that does not require notification. Due to the weak radiation source, no legal procedures are necessary. Additionally, since it is a reflection type, there are no restrictions on the size of the container, allowing it to be used even in large tanks despite the weak radiation source. Although it uses radiation, it boasts safety and ease of handling comparable to general measuring instruments, with a leakage radiation level of 2.6 μSv/h or less on the surface of the device. 【Features】 ■ Weak radiation dose with no legal procedures required ■ No size restrictions on containers due to its reflection type ■ Equipped with an analog output, allowing it to be used as a local level gauge ■ Operation methods are displayed on the LCD panel, making settings and changes easy ■ High safety *For more details, please download the PDF or feel free to contact us.
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basic information
【Specifications】 ■ Measurement Method: Gamma ray, reflective type (backscattering method) ■ Source Used: Sealed gamma ray source Na-22/0.49MBq/2 units (JIS grade C64445) ■ Composition: 2 units of source section, detection section (including control system), base plate, transport shielding body ■ Detection Method: High sensitivity, stabilized NaI scintillation detector ■ Insulation Thickness: Up to 105mm possible ■ Mounting Wall Thickness: Up to 12mm possible ■ Power Supply: AC90–110V 30VA (steady value) *For more details, please download the PDF or feel free to contact us.
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Applications/Examples of results
【Applications】 ■ Level measurement in polymerization tanks ■ Level measurement of wood chips ■ Level monitoring of molten plastic hoppers ■ Level measurement in laboratory autoclaves ■ Non-contact level monitoring of high-pressure tanks ■ Level monitoring of highly toxic substances such as acids and alkalis ■ Discrimination between foam and liquid levels ■ Update to eliminate the need for notification of gamma-ray level meters used under notification/permit *For more details, please download the PDF or feel free to contact us.
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Company information
Our company manufactures industrial measurement instruments (density meters, concentration meters, level meters, thickness meters, moisture meters) using gamma rays (γ rays), X-rays (X-rays), and microwaves in a transmission type. All products are developed in-house and manufactured entirely at our own factory in Japan. In addition to products that do not require notification, we also produce many "certified devices with displays" that pursue high precision. We welcome inquiries from customers who are facing issues with other measurement methods. We provide consistent services from development to manufacturing, sales, maintenance, and disposal of our products containing radioactive materials within Japan. For 30 years since our establishment, we have maintained a stable supply of products and a maintenance system. We also accept custom specifications starting from one unit. We strive to deliver products that will always please our customers.