Package contains: 1 RTD Sensor, product descriptions : 3 wire simplex pt100 type sensor (IEC-60751, Class B). Temperature Range : -50 to 200 °C. Primary Insulation : Teflon. Secondary Insulation : Teflon. Sensor Protection : Teflon Sleeve. Bulb Dia. 4 mm. Bulb length : 40 mm. Time constant : 10 Sec Max. Dielectric strength : 2.0 KVAC Contact Details If you need further details or if you have any query fell free to contact us. Company : Mivan Technologies. Contact Person: Maulik Mehta, Mobile:+91 96016 83414, Email: mivan.17april@gmail.com. Every care is taken for packing so that the item reaches to the buyer safely and undamaged. Manufacture in Ahmedabad. Made In India Product.