HEL-700 Series Temperature Sensors
The HEL-700 Series Thin Film Platinum RTDs (Resistance Temperature Detectors) are designed to monitor or control critical temperatures in industrial applications. They provide a linear change in resistance versus temperature, combining high linearity, stability, accuracy, and wide temperature range in a small, fast-response package.
The HEL-700 Series is designed to measure temperatures from -75°C to 540°C [-100°F to 1000°F] with high accuracy. These fully assembled elements are ready-to-use in probe assemblies, without the need for fragile splices to extension leads.
These products are manufactured using a thin layer of platinum deposited on an alumina substrate and are laser trimmed to resistance interchangeability of a standard ±0.2% (±0.5°C accuracy) or optional ±0.1% (±0.3°C accuracy). The sensor chip is then glassed, wired, and potted or ceramic fired to result in a cylindrical alumina package with either TFE Teflon®- or fiberglass-insulated lead wires.
HEL 700 Series Datasheet