No legal procedures required! An explosion-proof measuring device capable of communication up to 1 km away in a stable manner.
The "GRB-2000 Series Explosion-Proof Type" by Earthnix is a reflective type gamma-ray level switch that does not require notification. Due to the weak radiation source, no legal procedures are necessary. Additionally, since it is a reflective type, there are no restrictions on the size of the container, and despite the weak radiation source, it can be used for large tanks. Communication between the detection unit (explosion-proof area) and the operation unit (non-explosion-proof area) adopts a stable RS-422 communication method, allowing communication up to 1 km. 【Features】 ■ Weak radiation dose with no legal procedures required ■ No restrictions on container size due to its reflective type ■ Equipped with analog output, can be used as a local level meter ■ Operation methods are displayed in Japanese on the LCD display board, making settings and changes easy ■ Safety and ease of handling comparable to general measuring instruments *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 (Backscatter Method) ■ Source Used: Sealed Gamma Ray Source Na-22/0.49MBq/2 units (JIS Grade C64445) ■ Configuration: 2 source units, explosion-proof detection unit, non-explosion-proof operation unit, base plate, transport shielding body ■ Detection Method: High-sensitivity, stabilized NaI scintillation detector ■ Insulation Thickness: Standard 80mm ■ 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 for reporting and permitted use *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.