The M-FX platinum resistance temperature detector (PRTD) combines the advantages of wire-wound and thin-film sensors, the manufacturer says. The hysteresis-free unit performs over an operating temperature range of -200°C to 500°C. It is highly resistant to temperature shock and also offers long-term stability and vibration resistance, says the company. Applications include cold storage and freezers. It is especially suitable for temperature control in laboratories with frequent temperature shocks and low temperatures.

Heraeus Sensor-Nite, 14165 Fenton Rd., Suite 203, Fenton, MI 48430; 810-750-1250; 810-750-1253 (fax); www.sensornite.com (Web site).

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