Procter & Chester Measurements Ltd
Provids load cells and a strain gauge bonding service for a wide range of industries both in the UK and around the world.
- +44 (0)1926 864 444
- +44 (0)1926 864 888
- sales@pcm-uk.com
- Dalehouse Lane
Kenilworth, Warwickhire CV8 2UE
United Kingdom
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Products
Applications
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product
Junction Boxes
Procter & Chester Measurements Ltd
The function of a strain gauge active junction box is to enable easy adjustment of strain gauge (output) manufacturing tolerances without any channel interaction to give a summated output.
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Load Cell Indicators
Procter & Chester Measurements Ltd
The instrumentation will power the load cell. The mV/V signal coming back from the load cell is converted by the indicator and displays the force in a unit (e.g.: Kg, kN, lb – customers choice). The indicator will need to be mounted in to a case or control rack for safe use.
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Load Cell Indicators
Procter & Chester Measurements Ltd
The instrumentation will power the load cell. The mV/V signal coming back from the load cell is converted by the indicator and displays the force in a unit (e.g.: Kg, kN, lb – customers choice). The indicators within this range are encased so that the operator can either use it on the move (if battery powered) or be a permanent fixture, e.g.: wall mounted.
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Pressure Transducers
Procter & Chester Measurements Ltd
A transducer is a generic name that is a device which is usually electronic that coverts a physical attribute to a measurement signal.
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Radio Telemetry
Procter & Chester Measurements Ltd
Radio Telemetry: A transmission of data from a remote source via a radio to a receiving station for recording and analysis. Inductance: A contactless method of supplying power to (in this case) a strain gauge bridge. The signal is then transmitted back to the electronics. Slip Ring: Consists of a conductive band mounted on a shaft and is insulated from it. The wheatstone bridge is connected to the bands (usually four off). Fixed brushes or contacts make contact on to the bands to transfer power to the bridge and signal back to the static instrumentation.
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Torque Transducers
Procter & Chester Measurements Ltd
A transducer is a generic name that is a device which is usually electronic that coverts a physical attribute to a measurement signal.
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Displacement Transducers
Procter & Chester Measurements Ltd
Pressure: Measures gas or liquid pressure. Pressure is an expression of the force required to stop a fluid from expanding. The transducer generates a signal from the pressure imposed upon it. Torque: Measures the torque (or twisting motion) on a static or rotating system. The static torque element has little movement and therefore more economic to manufacture and purchase. Rotary or dynamic torque is more complicated as the signal needs to be transferred using slip rings, wireless telemetry or rotary transformers/inductance technology so that the strain gauged shaft can continuously rotate. Displacement: Measures distance. The displacement transducers that PCM offer are slightly different to standard units. They have a strain gauge/wheatstone bridge. The benefit here is that if the customer has existing electronics that uses strain gauge/load cell technology, they can use them with these sensors.
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Shear Beam Load Cells
Procter & Chester Measurements Ltd
Shear beams are an oblong shape element. The load cell is supported at one end (usually with two retaining bolts) and the force is applied at the opposite end.
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Tension & Compression Load Cells
Procter & Chester Measurements Ltd
Tension and compression occurs when a tensile stress is applied, then transforms to a compressive stress, or vice versa. The stress will go through the zero point were no stress is applied. The load cell will operate in tension only, compression only or tension and compression modes. This style of load cell can lead to more flexibility in future testing.
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Load Cell Amplifiers
Procter & Chester Measurements Ltd
Amplifiers are electronics that do not have displays. They transform a load cell signal (mV/V) to another type of signal ie: analogue (e.g.: mA, V) or digital output (e.g.: RS232, RS485). The load cell and amplifier will require calibrating together for the system to work correctly. This is done by applying a known force to the load cell and the amplifier gain to be set.
