Jewell Instruments The model 801 "Tuff Tilt" Analog Tiltmeter combines high precision and durability in an economical instrument package. Using an absolute gravity referenced electrolytic sensor, the A801 delivers superior measurement accuracy with virtually no long-term drift, and high-gain units are sensitive to <0.0017 mm/m or better. Output is a stable ±5 DC voltage (±10 VDC differential), which can be read with any VDC input datalogger. All units are rated IP65 waterproof for advanced protection from the elements. Use the A801 "Tuff Tilt" for structural monitoring, angle measurement and control, platform leveling, and more. Specifications subject to change without notice on account of continued product development Ordering Code: Wiring/Pin-out: Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00163 Rev

Jewell Instruments Model A801 "Tuff Tilt" Enclosure and Mounting Hole Dimensions ) MOUNTING HOLES TRANSVERSE CONFIGURATION LONGITUDINAL CONFIGURATION Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00163 Rev. B