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Inclinometers

Vertical In-Place Inclinometer System (MEMS) | Model 6180

The Model 6180T double-wheeled sensor (front) includes an integrated end terminator and gets installed first. Subsequent Model 6180 sensors (back) are connected via in-line ball joints, and each sensor contains a thermistor for reading temperatures.
  • The Model 6180T double-wheeled sensor (front) includes an integrated end terminator and gets installed first. Subsequent Model 6180 sensors (back) are connected via in-line ball joints, and each sensor contains a thermistor for reading temperatures.
  • Closeup of the Model 6180 in-line ball joints and wheel assembly, which centralizes the sensors in the casing, allows unimpeded relative movement inside the housing, and accommodates any spiraling of the casing.
  • Closeup of the Model 6180 Suspension Bracket, Cable and Receiver (left) and an in-line ball joint connection.
  • Closeup of four-pin, waterproof cable connector.
SKU:
Model 6180

The Model 6180 Vertical In-Place Inclinometer System consists of an addressable string of Biaxial MEMS Tilt Sensors inside a sealed stainless steel housing, which are cut to customer-specified segment lengths. The segments are interconnected via in-line ball joints and spring-loaded wheel assemblies allow the sensor string to positively engage in the grooves of conventional inclinometer casing.

The tilt sensors are connected to each other by means of a four-wire bus cable and the industry standard Modbus® Remote Terminal Unit (RTU) protocol is used to communicate. Automated monitoring is accomplished using any of the GeoNet Addressable Loggers, 8600 Series Dataloggers, Campbell Scientific Dataloggers or any other device capable of being a Modbus RTU client and having an RS-485 port.

Specifications

Range¹
±90°
Resolution²
±0.00025° (±0.004 mm/m)
Operating Temperature
−40 °C to +65 °C (−40 °F to +149 °F)
Minimum Sensor Spacing
0.5 m
Sensor Diameter
25.4 mm (1")
Standard Sensor Length³
0.5 m, 1 m, 2 m, 3 m, 2 ft, 5 ft, 10 ft

¹Calibrated Range: ±30°

²99% confidence interval (i.e. 99 out of 100 individual readings fall within this tolerance).

³Custom spacing available upon request.

Compatible Dataloggers

Please Note: GEOKON maintains an ongoing policy of design review and reserves the right to amend products and specifications without notice. Various instruments are discontinued over time and replaced with new, updated models.

Modbus® is a registered trademark of SCHNEIDER ELECTRIC USA, INC. All other trademarks are the property of their respective owners.

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