The DRH122 thermo-hygrometer pen, designed for simplicity and one-handed operation, is a valuable preventive maintenance and quality assurance tool for checking temperature and relative humidity readings, states the company. The unit’s features include a temperature range of 14 to 122 degrees F, accuracy of ±2 degrees F, Fahrenheit and Celsius selectable, min/max readings, LCD, and a shirt clip. According to the company, it can measure and display an environment temperature and humidity reading in seconds.

Cooper Instrument Corp., Attn: Customer Service Dept., 33 Reeds Gap Rd., Middlefield, CT 06455-0450; 860-347-2256; (e-mail); (website).

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