deuieii Instruments The model A820 Shallow Water is a high-precision submersible tiltmeter for use in fresh and salt water applications. Using an absolute gravity referenced electrolytic sensor, the A820 delivers superior measurement accuracy with virtually no long-term drift. High-gain units are sensitive to <0.0017 mm/m or better. Output is a stable ±5 DC voltage, which can be read with any VDC input data recorder. All units are rated to 200 meters (656.2 ft) waterproof for advanced protection from the elements. Use the A820 "Shallow Water" for structural monitoring, angle measurement and control, platform leveling and more. Specifications subject to change without notice on account of continued product development How to Order: Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00262 R

deuieii Instruments Dimensions: TRANSVERSE LONGITUDINAL CONFIGURATION 24" LONG CABLE W/FLYING LEADS' UNITS: [mm] IN ‘Custom cable lengths available on request Part Numbers: Part Number Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00262 Rev