Svel Sensors & Controls Pvt Ltd manufactures Glass Envelope Beads with High Sensitivity. Svel Sensors & Controls Pvt Ltd is an ISO 9001:2000 certified company. The Company also manufactures foil heaters, radiosonde thermistors and alfa therm thermistor and assemblies. The Glass Envelope Beads with High Sensitivity finds an application in amplitude stabilization vacuum sensors. The Glass Envelope Beads with High Sensitivity has resistance of 1K, 5K, 10K, 20K, 50K and 100K. The Glass Envelope Beads with High Sensitivity has tolerance of +/-20%.