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Sherborne Sensors Ltd

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1 Ringway Centre,
Edison Road,
Basingstoke,
Hampshire,
RG21 6YH,
United Kingdom

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Products

Custom Sensors

Sherborne Sensors actively supports a substantial infrastructure to design, develop, test and deliver customised sensors and systems across all of the market areas we serve including custom inclinometers, custom accelerometers and customised load cells/force transducers. This includes our own in house specialists in mechanical prototyping, electrical circuit design, accessory design and integration, and sensor packaging.
We welcome opportunities to design and evaluate solutions that modify our existing products, or require a completely new sensor, built around our proven inertial sensor elements. We are very adept at not only designing robust, accurate and repeatable products, but also doing so in a cost effective and timely manner.

A215/A220 Series Miniature Linear Servo Accelerometer ±1g to ± 20g

The Sherborne Sensors’ A200 range of Servo Accelerometers measure vector acceleration with high accuracy using a closed loop force balance torquer mechanism. A pendulous mass develops a torque proportional to the product of its mass unbalance and the applied acceleration. The movement of the mass is detected by a position sensor whose output signal is connected to a servo amplifier. The resulting current is fed into the torque motor which then develops a torque exactly equal to, but directly opposed to the initial torque from the pendulous mass. The mass then stops moving, assuming a position minutely differing from it’s initial zero ‘g’ position. Simultaneously, the current to the torque motor is fed through a stable resistor to provide an output voltage proportional to the applied acceleration. The system is electronically damped by means of a phase advancing network within the integrated servo amplifier. By adjusting the parameters of the servo amplifier and related electronic networks, the operating characteristics of a servo accelerometer can be optimised to suit a particular application.

A320 Series, Ultra-Low Range Linear Servo Accelerometer, ±0.1g to ±2g

The A320 Series are high precision, closed loop, servo balance, ultra-low range accelerometers that can be used for a wide variety of industrial and aerospace applications. Despite its low measuring range the A320 Series are very robust and shock resistant. Electrical terminations are via 6-pin, bayonet lock connector or solder pins.

A320 ‘L’ Series, Ultra-Low Range Linear Servo Accelerometer with 4 to 20mA Output, ±0.1g to ±2g

The A320L Series are high precision, closed loop, servo balance, ultra-low range accelerometers with 4 to 20mA outputs that can be used in a wide variety of industrial and military applications. Despite its low measuring range the A320L Series are very robust and highly resistant to mechanical shock. Electrical terminations are via either a 6-pin, bayonet lock connector or solder pins.

A545 Series DC-Operated, Bi-axial & Tri-axial Linear Accelerometers, ±2g to ±100g

The A545 range of multi-axis accelerometers measure vector acceleration in two or three mutually perpendicular planes with high accuracy and incorporate piezo-resistive strain gauge bridge sensors incorporating air damping. Unlike fluid damped devices, the gas damping employed in the A545 is essentially independent of temperature. The transducer also incorporates positive mechanical stops conferring excellent shock resistance. The accelerometer is compensated for the effects of temperature on both sensitivity and zero. Designed for operation from a DC power source, the A545 is packaged in a robust aluminium alloy housing with solder pin connections. The accelerometer has a wide-range useable frequency response from DC to several kHz.

A640 Single Axis MEMS Accelerometer, ±1g to ±20g

The A600 range of Solid State MEMS Accelerometers measure vector acceleration with high accuracy using a micromachined (MEMS) silicon sensor incorporating an air damping feature. Unlike fluid damped devices the air damping employed is essentially independent of temperature. The transducer also incorporates positive mechanical stops conferring excellent shock resistance. The accelerometer is compensated for the effects of temperature on both sensitivity and zero. Typical applications include data acquisition systems, crash recorders, fatigue life monitoring and prediction; monitoring and controlling deceleration in mass transit systems; road bed analysis and fault detection equipment for high speed railways; military and civil flight simulators; autopilots and low frequency vibration monitoring.
The A640 series will in many cases replace the now discontinued Series A400 accelerometers and is mechanically inter-changeable.

A260 Series Single Axis Servo Accelerometer, ±1g to ±20g

Using the same torquer mechanism and servo electronics as the A220 series, the A260 features a switching regulator to enable direct operation from a single ended dc power supply. Galvanic isolation between primary and secondary circuits provides total electrical isolation between the input supply and signal output. To meet certain measuring requirements, especially in certain aerospace applications, this series has provision for an optional active filter with low output impedance and 1g bias circuitry for vertical mounting.
The A260 series accelerometers have been used successful in aerospace, military and industrial applications for many decades. The acquisition of this technology by Sherborne Sensors has allowed customers to benefit from the same exceptional product qualities as its predecessors, with the added benefits of extensive applications engineering support, global technical sales presence, repair, refurbishment and calibration services, stocking programs, and continuous product improvements.

LSOC/P DC-Operated, Gravity Referenced Servo Inclinometer, ±1° to ±90°

The LSO is a high precision gravity referenced servo inclinometer that can be used for a wide variety of industrial and military applications. Models are available in a variety of angular ranges each with low impedance output signals. Electrical terminations are via 6-way bayonet lock connector (LSOC) or solder pins (LSOP). It is extremely robust and will withstand shocks in excess of 1500g. The design is well proven with many thousands in use throughout the world in the most demanding of applications.

T233/T235 Dual Axis Rugged Servo Inclinometer, ±1° to ±90°

The T233/5 Series is a range of dual axis gravity referenced servo inclinometers that can be used for a wide variety of industrial and military applications where high precision angular measurements are required in rugged and robust applications where high levels of vibration and mechanical shock up to 1500g are encountered. Models are available in a variety of ranges from +/-1 degree to +/-90 degrees with low impedance output voltage signals and are precisely set up for dual axis operation. Electrical terminations are via a connector on the T233 or solder pins on the T235 variant.

WTS Wireless Telemetry Inclinometer, ±5° to ±60°

The WTS Wireless Tilt System is a flexible, all-weather radio telemetry system designed to provide high accuracy remote angle measurement data. The WTS enables surveyors, geotechnical specialists and structural engineers to record and log data remotely without the cost and impracticality of traditional wired methods.
The heart of the system is the WTS Wireless Inclinometer; a high-accuracy robust instrument utilising advanced MEMS sensor technology to ensure maximum reliability. A variety of complementary base stations and either PC or handheld data acquisition modules is offered to allow a complete measurement system to be configured to suit any particular application. A wide variety of fixed base stations and hand held readers is available to enable the user to tailor the system to their optimal requirements.

T935 Series DC-Operated, Gravity Referenced Servo Inclinometer, ±1° to ±90°

The T935 Series is a range of gravity referenced servo inclinometers that can be used for a wide variety of industrial and military applications where high precision angular measurements are required in rugged and space restrained applications where high levels of vibration and mechanical shock up to 1500g are encountered. Models are available in a variety of ranges from +/-1 degree to +/-90 degrees with low impedance output voltage signals and can be stacked for dual axis operation. Electrical terminations are via solder pins.

T435 ‘L’ Single Axis Rugged Servo Inclinometer, ±3° to ±90°

The T435 ‘L’ series is a family of single axis, high-precision, closed loop, gravity referenced servo inclinometers, ideal for use within a variety of application environments, and where space is at a premium.
Available in ranges from ±3° to ±90° with a form factor measuring only 61mm (2.41 inches) high and a diameter measuring less than 37mm (1.46 inches). The T435 ‘L’ has a high-level 4-20mA signal, proportional to the sine of the angle of tilt. Units are fully self-contained, and able to connect to a DC power source and readout or control device, to form a complete operating system. Units are extremely rugged, and can withstand a 1500g-shock event. Solder pin terminations are standard.

LSW Series DC-Operated, Gravity-Referenced Weather Proof Servo Inclinometer, ±3° to ±90°

The LSW Series is a range of weatherproof gravity referenced servo inclinometers that can be used for a wide variety of industrial and military applications where high precision angular measurements are required in rugged applications where high levels of vibration and mechanical shock up to 1500g are encountered and environmental sealing to IP67 is required. Models are available in a variety of ranges from +/-3 degree to +/-90 degrees with low impedance output voltage signals. Electrical terminations are via a weatherproof connector system.

LSI Series DC-Operated, Gravity-Referenced Servo Inclinometer

The LSI Series is a range of gravity referenced servo inclinometers that can be used for a wide variety of industrial and military applications where high precision angular measurements are required. Models are available in a variety of ranges from +/-14.5 degrees to +/-90 degrees with low impedance output voltage signals. Electrical terminations are via solder pins.

S Type Load Cell S02

The S02 tension & compression S Type load cell offers a compact design for a variety of weighing and test and measurements applications. The S02 S-type Load Cell series (often known as S Beam load cells or Z Type load cells) provides accuracy, compact design features, overload protection and a wide capacity range from 0-250lb up to 0-20,000lb.

DTI Digital Tilt Indicator

The DTI Series is a family of five-digit, programmable digital panel meters, offering improved tilt measurement system versatility and performance. The DTI will accept an output from any Sherborne gravity referenced inclinometer, provide the necessary trigonometric conversions, and display the output as an angle, with a resolution down to 0.001°. For seamless interface with a data acquisition system, two supplementary outputs, an analog voltage output and RS422/485 serial output are supplied. The enclosure is manufactured from recyclable and flame retardant (VO) materials, with front panel conformance to IP65: NEMA 4. Supplied, powerful menu-driven software enables fast and flexible set-up from the front panel or via serial communications link. Built-in, comprehensive alarm functions allow convenient monitoring, switching and control functions. The hysteresis facility prevents noisy signals from switching alarms erroneously, with high and low deviations facilitating control around a set point. On and off delay times can be set with individual alarms, configured as latching or non-latching, depending on requirements. The DTI may be used with most Sherborne gravity-referenced inclinometers, as well as other manufacturers’ products. An integral 12 VDC power supply provides excitation voltage for MEMS- based inclinometers whilst bi-polar voltage supplied inclinometers may be powered via Sherborne XT-0102 or XT-0103 power supply modules.

Strain Gauge Transducer Indicator ADW15

The ADW15 is a compact microprocessor based indicator unit specifically designed to supply the excitation voltage for and display the output of most strain gauge based transducers in engineering units of the users choice.
The industry standard 72 x 72mm front panel offers a full 4½ digit LED display, together with a 4 key arrangement for programming and reviewing the parameters. Programming and set point LEDs complete the layout.
Upon request Sherborne Sensors will calibrate the indicator with a sensor to customer's specific requirements.

WTS Wireless Telemetry Hand Held Displays - Series HS, HA and HR

A series of hand held displays to display the output of one or more WTS Wireless Inclinometers is available to suit most applications.

WTS-BSU Wireless Telemetry Base Station

The WTS-BSU is a simple, single channel USB device allowing the interfacing of a WTS Wireless Inclinometer with a PC.

WTS-BSI Wireless Telemetry Base Station

The WTS-BSI is the industrial base station, housed in an IP65 standard enclosure.

XT-0102LN ±15VDC Bi-Polar Power Supply Module

The XT-0102LN is a ‘stand-alone’ power supply module capable of supplying the excitation voltage required for many of the inclinometers and accelerometers manufactured by Sherborne Sensors. The module accepts an unregulated supply down to 10VDC enabling operation from automobile batteries. The unit is short circuit and input polarity protected, is fully encapsulated and has screw terminal connections for complete flexibility

XT-0103 Line Powered ±15VDC Bi-Polar Power Supply Module

The XT-0103 is a ‘stand-alone’ power supply module capable of supplying the bi-polar and single ended excitation voltage required for many of the inclinometers and accelerometers manufactured by Sherborne Sensors. The module accepts a wide range of line voltages from 85 to 264VAC ensuring its operability from worldwide power sources.

Tracker 220 Universal Input Indicator

A variety of strain gauge based pressure transducers or force transducers can be connected directly to the Tracker 220 series. The indicator and sensor can be calibrated together using the user calibration feature, greatly reducing errors due to sensor output and excitation supply voltage variations. A front panel button or digital status input can also be configured to provide an auto zero feature allowing zero offset errors to be eliminated.

3CON-0009, Mating Connector for LSOC, T640, A263, A323, A643, VC7600

Mating Electrical Connector for LSOC, T640, A263, A323, A643, VC7600

3CON-037F, Mating Connector for T233

A multipole, self-locking electrical connector compatible with the T233/5 range of servo inclinometers. The mechanism is secured against accidental disconnection and is designed for frequent connect/disconnect operations.

About us

With many years’ experience in the distribution of unique precision inclinometers, force transducers and accelerometers, Sherborne Sensors Ltd have manufactured a vast array of high quality products that last a lifetime. Based in Hampshire, our company supplies innovative, dynamic solutions to a wide range of industries and sectors across the globe, including locations such as North America, South America, Europe, Asia, Africa and Australia.

Building up our international reputation over a number of years, our company has worked hard to become the world’s leading manufacturer of bespoke specialist sensors, benefitting a number of industries such as metal processing, mining and tunnelling, aerospace, transport, geotechnical, civil engineering, test and measurement and military. Our high-precision and ultra-reliable sensor equipment is guaranteed to achieve lasting effects, available for use in a variety of applications.

Here at Sherborne, we pride ourselves on our ability to meet domestic, commercial and industrial requirements by designing, developing and distributing custom sensors that are up to standard and fully functional. Every product we design is strong, reliable and built to last, providing a number of benefits to businesses all over the world. We as a company work closely with clients to ensure their needs are dealt with in a professional and flexible manner at all times.

Our company is capable of achieving excellence no matter how many difficulties/challenges we face. Over the years, we have continued to evolve our company as well as our products by using up-to-date technology and utilising our many years of dedication and experience to our advantage. We offer our clients a vast array of products that are unparalled within their respected industry, including equipment such as wireless inclinometers, strain gauge load cells and miniature accelerometers.

As well as an impressive range of products, our company offers clients a repair and calibration service, ensuring that all products are highly precise, accurate and robust. No matter how demanding the application may be, we at Sherborne have the ability and the knowledge to recalibrate products on a regular basis to ensure maximum efficiency. We carry out a detailed analysis of the unit’s performance to gain a better understanding of how to improve the quality and capabilities of the product itself.