Jewell Instruments The model D801 "Tuff Tilt Digital" is a high performance, digital tiltmeter with advanced firmware features. Units use a gravity referenced electrolytic tilt sensor with superior measurement accuracy and virtually no long-term drift. Output is RS232 or RS422 (RS485 full duplex). Utilizing a 16-bit A/D, the D801 is sensitive to <0.0001° (.0017 mm/m).* User programmable firmware controls include sample averaging, auto-zero (tare), baud/output rate, and more. The D801 also includes on-board memory, with storage capacity up to 22,000 samples. All units are rated IP65 waterproof for advanced protection from the elements. Use the D801 "Tuff Tilt" for structural monitoring, platform position and control, and more. Ordering Code: Specifications subject to change without notice on account of continued product development Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00265 Rev.

Jewell Instruments Enclosure Dimensions ■ MOUNTING HOLES Cable Wiring and Pin-outs RS232 Wiring Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00265 Rev. C