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Jewell Instruments
DeepWater Digital Tiltmeter Datasheet

DeepWater Digital Tiltmeter Datasheet

Product catalog summary

Overview: The Model D802 DeepWater Digital Tiltmeter by Jewell Instruments is a high-precision submersible device designed for marine, offshore, and deep ocean applications. It utilizes an absolute gravity-referenced electrolytic sensor to provide superior measurement accuracy with minimal long-term drift. The device is suitable for structural monitoring, angle measurement and control, and platform leveling.

Specifications:

Angular Range: Standard: ±5°, Wide Angle: ±60°
Resolution: Standard: 0.002 degrees, Wide Angle: 0.02 degrees
Repeatability: Standard: 0.002 degrees, Wide Angle: 0.02 degrees
Temperature Coefficient: Standard: 0.001 degree/°C, Wide Angle: 0.01 degree/°C
Channels: X-tilt, Y-tilt, Temperature
Non-Linearity: 0.1% of full span or better
Time Constant: 0.15 second
Output: RS232 or RS485
Baud Rate: 9600 (default), 19200, 28800, 57600, 115200, 230400
Output Format: NMEA XDR, Trimble TCM, Ashtec compatible, Simple (default: X, Y, Temp., S/N)

Power and Environmental Specifications:

Power: 7 to 25 VDC @ 27 mA, 250 mV peak-to-peak ripple maximum, reverse polarity protected
Operational Temperature: -4° to +60°C
Storage Temperature: -30° to +100°C
Pressure Rating: 3500 psi (~250 bars)

Physical Characteristics:

Mounting: Four no. 10 stainless steel mounting screws
Materials: 316 stainless steel
Connector: 6-pin neoprene, wet-mateable
Size & Weight: 152 x 102 x 89 mm (6 x 4 x 3.5 inches), 5 kg (11 lb)

Wiring/Pin-out:

Pin 1: Black - Ground
Pin 2: White - Not used (TX- for RS485)
Pin 3: Red - Power
Pin 4: Green - RX (TX+ for RS485)
Pin 5: Yellow (Orange) - Not Used (RX- for RS485)
Pin 6: Blue - TX (RX+ for RS485)

Catalog excerpts

Model D802 Deep Water Digital Tilt meter The model D802 Deepwater is a high-precision submersible tiltmeter for use in marine, offshore, and deep ocean applications. Using an absolute gravity referenced electrolytic sensor, the D802 delivers superior measurement accuracy with virtually no long-term drift. High- gain units are sensitive to <0.0017 mm/m or better. Output is RS232 or RS422. All units are rated to +2500m waterproof for advanced protection from the elements. Use the D802 "Deepwater" for structural monitoring, angle measurement and control, platform leveling, Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103

Open the catalog to page 1

Model D802 Deep Water Digital Tilt meter Dimensions & Axis Configurations: TILTMETER MOUNTING HOLES ARE 0,201 [5.1] (CLEARANCE HOLE FOR A #10 OR M4 SCREW) MOUNTING HOLE PATTERN DIMENSIONS ARE JN INCHES [MILLIMETERS] Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103

Open the catalog to page 2

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