Keynes Geotechnical Instruments

Keynes Controls manufactures a range of sensors and interfaces that can be used for a wide range of geotechnical applications. The Vibrating Wire sensor interfaces, In-Place inclinometers and sensor interface cards can be integrated using the free applications software to create simple and complex measurement solutions.

All the different sensor interfaces regardless if they are for vibrating wire, inclinometers and water quality sensors can be used together.

Keynes Controls manufactures a range of Vibrating Wire Sensor Interfaces

Keynes Controls is the go-to for vibrating wire sensor interfaces with industry-leading technology. Choose from our selection of DIN rail mounted single channel units, 8 channel units, and Sensor Analyser & Logger systems for reliable performance.

Industry-Leading Technology

Single Channel

Single Channel Vibrating Wire Interface VW301-DIN-01
Supports
SDI12 / RS486 Digital Communications
0-20 V DC Analogue Output
4-20 mA Current Loop Operation
Upto-isolated Sensor Channels

 

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8 Channel Units

8 x 4 Wire Channel Vibrating Wire Sensor interface with RS485 Digital Interface
Supports

SDI12

RS485

MODBUS

Analogue Output

 

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Sensor Analyser & Logger

Vibrating Wire Sensor Analyser, Logger and Display Unit.
Supports

Real-time Display | Hz, Digits,  SI Units

Sensor Spectrum Analyser

Data Recording | Automatic and Single Shot

User Defined Sensor Types | 200

Data Storage | SD Card  32 GB

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Tilt / Inclinometers

A range of In-Place-Inclinometers and flange mounted intelligent tilt sensors. The sensors can be used for precise small movements for structures and land.

Digital Flange Sensor by Keynes Controls.
In-Place-Inclinometers by Keynes Controls
Fixed Angle Offset Inclinometer

Fixed Installation of the In-Place-Inclinometers

These photos highlight the In-Place-Inclinometers in Stitu by Keynes Controls. The initial image captures the In-Place-Inclinometer being lowered into a borehole, the subsequent one shows the chain resting on the top cap, and the final one displays the In-Place-Inclinometer sensors equipped with extension rods for 1m spaced sensors. Please be advised that the sensors undergo testing before shipment.

Installation of the In-Place-Inclinometer by Keynes Controls. Image depicting its lowering into a borehole using the Sensor Deployment Top Cap.
Installation of the In-Place-Inclinometer by Keynes Controls. Image depicting the I-P-I Sensor Chain Installation.
Image displaying the In-Place-Inclinometer rods with sensors equipped. The extension rods are spaced at 1m intervals. Please note that the sensors undergo testing prior to shipment.

Sensor Interfaces

Single Channel Strain Gauge PCB
PCB Assembly
Silicon and Piezo-resistive sensor interface
A Selection of Surface Mount assembly Boards by Keynes Controls
Reduction Oxidation potential sensor interface manufactured by Keynes Controls

Are you looking for something different?

At Keynes Controls, we are dedicated to our expertise in the design and supply of high-quality Digital Signal Processing applications. Our extensive software library ensures seamless integration and simplified testing procedures. Moreover, we take pride in employing cutting-edge automatic test systems to optimize production efficiency. Experience unparalleled innovation and excellence with Keynes Controls.

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At Keynes Controls we used the following sensor types: Piezometer, Arc weldable Strain gauge, Displacement Earth Pressure cell, Inclinometer, Rebar Strain, Dynamic vibrating wire, Uplift pressure.

The following sensors are related to the In-Place-Inclinometers, VibWire-108, VibWire-301, VibWire-201 Readout, Horizontal inclinometer, Vertical In-Place-Inclinometer, MODBUS I-P-I, Vibrating Wire SDI12, RS485, MODBUS, tilt