Grain moisture and hectolitre weight from one measurement
The humimeter FSW is a portable whole-grain moisture meter that reports the water content, the hectolitre weight and the sample temperature in a single measurement. The grain is poured in through a funnel and after three seconds the result is there - with no grinding, no separate balance and no sample preparation.
The integrated hectolitre weight measurement is the key point: it compensates the differences in bulk density between batches of the same cereal, so the moisture result does not depend on how tightly the grain has settled in the measuring chamber. The device is used by intake points, the grain trade, mills, farms and the feed industry.
A measurement in three seconds
The full cycle - moisture, hectolitre weight and temperature - takes three seconds from pouring the sample in. An average sample is about 330 g, which is what the filling funnel holds. The grain stays whole and remains fit for use, and the funnel keeps the intake point tidy.
Automatic compensation and the offset function
The meter compensates the sample temperature and the bulk density automatically. The offset function makes it possible to shift the calibration curve by a value determined in the customer’s own laboratory test, if the reading is to be brought into line with that laboratory’s result.
Logging and documenting the results
The Hold function freezes the result on the display, and the memory holds 10 000 measurements with a description of the measuring point. The USB interface with the LogMemorizer software is part of the set, so the data is transferred to a computer without buying a module. The result can also be printed on the spot with a portable thermal printer (art. no. 15444).
Built for work in the field
A steel housing, four AA batteries enough for several hundred measurements and a weight of 1.7 kg with the batteries in. The device is meant to be carried between the weighbridge, the lorry and the store, not to stand on a laboratory bench.
Advantages
- Moisture, hectolitre weight and sample temperature in one three-second measurement.
- The integrated hectolitre weight measurement compensates differences in bulk density between batches.
- The measurement does not destroy the grain - the sample goes back into the batch.
- Calibrated against the reference standards EN ISO 6540 (maize), EN ISO 665 (oilseeds), EN ISO 712 (cereals) and EN ISO 24557 (pulses).
- Memory for 10 000 measurements with a measuring point report, and the USB interface included.
- The offset function brings the reading into line with the result of your own laboratory.
- Accurate moisture control lowers drying costs and limits quality losses - grain stored too wet goes mouldy and heats up.
- Sturdy steel housing, mobile construction for work in the field.
- Lifetime technical support from the manufacturer and a ten-year repair warranty.
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Calibration curves and measuring ranges
The factory curves cover the main cereals and seeds. The measuring range differs for every product:
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| 1 | Corn | 5 % - 35 % |
| 2 | Rye | 5 % - 28 % |
| 3 | Wheat | 5 % - 28 % |
| 4 | Durum wheat | 5 % - 28 % |
| 5 | Oats | 5 % - 20 % |
| 6 | Barley | 5 % - 28 % |
| 7 | Spelt in husk | 5 % - 18 % |
| 8 | Spelt, peeled | 5 % - 20 % |
| 9 | Rape | 5 % - 18 % |
| 10 | Soybeans | 5 % - 18 % |
| 11 | Horse beans | 5 % - 25 % |
| 12 | Sunflower seeds | 5 % - 15 % |
| 13 | Pumpkin seeds | 5 % - 15 % |
| 14 | Rice, peeled | 5 % - 18 % |
| 15 | Rice, unpeeled | 5 % - 18 % |
| 16 | Millet | 5 % - 18 % |
| 17 | Pea | 5 % - 20 % |
| 18 | Sorghum millet | 5 % - 18 % |
| 19 | Buckwheat, unpeeled | 5 % - 18 % |
| 20 | Lentils | 5 % - 18 % |
| 21 | Roasted coffee | 1 % - 20 % |
For a product outside the list the manufacturer develops a characteristic curve from a supplied sample (art. no. 11217) and loads the finished curve into the device (art. no. 12297).
Technical data
| Moisture measuring range | 5 to 40 % water content (depending on the product) |
| Hectolitre weight measuring range | 30 to 90 kg/hl (depending on the product) |
| Resolution | 0.1 % water content, 0.1 kg/hl |
| Moisture calibration accuracy | ±0.4 % against the reference material |
| Hectolitre weight accuracy | ±0.7 kg/hl against the hectolitre measure |
| Compensation | integrated hectolitre weight and sample temperature measurement |
| Average sample weight | about 330 g (depending on the product) |
| Measuring time | 3 seconds, without sample preparation |
| Memory | Hold function, manual log of 10 000 measurements with a measuring point report |
| Offset function | shift of the calibration curve |
| Dimensions of the device | 250 x 80 x 180 mm |
| Dimensions of the filling funnel | 160 x 100 x 25 mm |
| Weight | 1.7 kg (with batteries) |
| Power supply | 4 × AA 1.5 V alkaline batteries |
| Menu languages | English, German, Italian, French, Spanish, Portuguese, Czech, Polish, Russian and international |
| Article number | 15000 |
Scope of delivery
- humimeter FSW
- USB interface module with LogMemorizer basic software and a USB cable to the computer
- filling funnel
- 0.5 l measuring cup
- batteries
- carrying case
The USB module is part of the set, so there is no need to buy it separately.
Extended accessories
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| 11758 | Materials for checking the calibration according to the ISO standard for the humimeter FS2, FS3, FS4, FS4.1, BP1, FSW and FSA; test set with a calibration weight. 24 x 7 x 7 cm, 1.6 kg |
| 10600 | Factory calibration certificate. The protocol documenting the calibration of the meter before delivery |
| 12297 | Entry of an available characteristic (calibration) curve into the device |
| 14823 | Adaptation of an existing calibration curve from the customer measurement data, for humimeter and FSA devices |
| 15180 | Additional filling funnel for the humimeter FSW |
| 15444 | Thermal printer with a rechargeable battery (USB-C version) - portable serial printer for humimeter devices with a USB interface |
| 14944 | Internal Bluetooth 5.0 module with LogMemorizer software for recording and analysing measured data |
| 11909 | LogMemorizer PRO - annual licence with a cloud connection. Requires the USB or Bluetooth interface |
FSW, FSA or FSx - which model to choose
All three measure whole grain, but they differ in whether they report the hectolitre weight and in how they compensate the bulk density:
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| FSW | 5-40 % | ±0.4 % | yes, integrated | about 330 g | Intake points, grain trade, mills |
| FSA | 3-50 % | ±0.3 % | yes, integrated | 0.5 l cup | Laboratories, large intake points, export |
| FSx | 0-50 % | ±0.4 % | no - bulk density compensated by weighing, no kg/hl reading | about 300 g | Special crops (coffee, buckwheat, hemp and the like) |
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