1. Transmitter is designed for continuously measurement control. Level limit switch is designed for upper/lower limit alarm and control 2. Suitable for all sorts of materials measurement and control. It¡¯s also designed for high pressure, high temperature, high viscidity, dusty and explosion-proof occasions. 3. Reliable and free of maintenance 4. Explosion-isolated, dusty-isolated and intrinsic safety models 5. Operating temperature: -30---60¡æ--- -30---600¡æ 6. Various probes selectable 7. Various mounting methods selectable