Bio Instruments S.R.L.

Model FI-LM, FI-MM & FI-SM - Fruit Growth Sensors



A series of absolute displacement sensors provides recording both size and growth rate of intact rounded fruits in three diameter ranges within 7 to 160 mm. Two phenomena affect fruit diameter. These are growth and internal water content. The growth component is usually dominant. At the same time, in some cases, the fruit may loose water that is manifested in deceleration of growth rate or even shrinkage of the fruit. It may be a result of water stress, lack of light, or another limiting factor. Thus, the FI-type sensor allows investigating effect of irrigation rate and other environmental factors on both water balance and growth of fruits. Another exiting application of the sensor is monitoring of harvested fruits during storage.

The FI-type sensor consists of an LVDT transducer mounted in a special clip and a DC powered signal conditioner.

The probe is connected by a standard 1-meter cable to the waterproof box with the signal conditioner inside.

The output cable length should be specified in the order if required.

Original parallelogram design of moving arms provides firm and straight positioning of the sensor's flaps on a fruit under study.

FI-LM (large), FI-MM (medium) and FI-SM (small) models have different clips for providing three measurement ranges: 30 to 160, 15 to 90 and 7 to 45 mm, respectively.

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