Q.Please explain how to receive environmental data. Sensors and Sensor Systems >  Sensors and Sensor Systems/ Temperature Sensors (NTC)/ Level Sensors/ Magnetic Application Sensors/ Toner Density / Quantity Sensors/ Rotation Sensors/ Current Sensors/ Angle Sensors >  Chip NTC Thermistors (Protection Device)/ Humidity Sensors/ Surface Potential Sensors/ NTC Sensor Assembly/Systems/ Chip NTC Thermistors (Sensor)/ Piezoelectric Powder Level Sensors/ Magnetic Toner Density / Quantity Sensors/ Gear Tooth Sensors/ Clamp AC Current Sensors/ TMR Angle Sensors A. Please send inquiries on environmental data for sensors and documents/certificates for contained chemical substances to your nearby sales office or distributor, or send inquiries from this website. You can check TDK’s response to environmental standards and initiatives for environment-conscious products from the Environment page. product portal Sensors and Sensor Systems product information Status of TDK’s Environmental Responses Status of TDK’s responses to various environmental standards and measures regarding environment-conscious products Contact Information   Inquiries on products, sales, or technical matters