(Com System Negative Ion Meter) Brass Super Ion Ganban Powder 1kg!

This negative ion meter is designed for measuring negative ions from minerals and is manufactured and sold by a company specializing in rubber systems. It is essentially used without exception by corporate clients. While there are other air-based negative ion meters available, they are inexpensive but unstable outdoors and impractical for use. However, this unit powers on, but the sensor is malfunctioning, rendering it unusable in its current state. A manufacturer's instruction manual is included, so repairs are possible. A new unit would cost over 200,000 yen. Even if you intend to buy a used one, only a few become available per year, so we recommend repairing this unit or purchasing a used one. Furthermore, with this meter, you can confirm that negative ions (trace radiation) are emitted from various materials such as rocks, soil, ceramics, and the air. As a reference, we will include 1 kg of negative ion rock powder as a service.
Reference: Super Ion Rock Powder 1 kg (Wholesale price for businesses: 30,000 yen) included as a free gift!
◎ The rock powder has a negative ion count of 15,000 ions/1cc, which is among the highest in the world. It can easily penetrate even a 3 cm thick board. In terms of trace radiation equivalent values, it exceeds 30 microsv, comparable to the values found in Tamagawa Onsen and Bad Gastein rock saunas.
◎ Instructions on how to use the Super Ion Rock Powder will be provided after purchase.