The moisture meters of crops are widely used in the agricultural sector. These devices are available with probes of various types. In particular, there are needle and wire modifications. Microprocessors are used with a frequency of 20 Hz. The depth of measurement for this type of moisture meter is quite different. The average measurement accuracy is 0.3%. The instrument calibration function is not available on all devices. A quality model in the market costs about 5300 rubles.
How to choose a device
For grain crops, choosing a moisture meter is quite simple. First of all, the buyer must pay attention to the measurement accuracy parameter. It fluctuates around 0.3%. In this case, the processor frequency is on average 30 Hz. For modern models, probes are available with a latch. The catcher is most often installed open type. The moisture meter calibration function is very useful. The battery should be selected lithium type. Its average capacity is 300 Ah. The depth of measurement of a quality device is 20 mm.
Wile 55 model overview
The moisture meter of Wile 55 grain and seeds has the following characteristics: threshold frequency - 25 Hz, measurement depth - 12 mm, accuracy is 0.5%. A coaxial port is provided in the device. The plate under the probe is mounted in a rectangular shape. Capacitors in the device are located in the upper part of the structure. The microcircuit for a moisture meter is used with an output diode.
The rectifier is used with a probe. Capacitive capacitors in the device are absent. According to customers, the model is perfect for wheat. The ultimate permeability index is at around 2.2 F. It is also important to mention the compact dimensions of the casing. You can buy this device on the market at a price of 4400 rubles.
Wile 65 Reviews
It is an inexpensive and versatile moisture meter. Customer reviews say that it is great for wheat. The measurement accuracy of the device is 0.6%. The coaxial port of the model is not provided. If necessary, the model can be connected to a computer. The probe is installed short.
Output contacts are located above the plate. The chip is provided with a diode bridge. If you believe customers, the determination of humidity does not take much time. The device copes with fine-grained cereals perfectly. The indicated model weighs only 430 g. The maximum frequency parameter is 13 Hz. Hygrometer for grain Wile 65 is sold at a price of 4200 rubles.
Customer Reviews for the PM-450
The specified grain moisture meter receives good reviews from customers. For wheat, the model is often used. The probe in the device is selected at 2.3 cm. In this case, the chip is used with a converter. Thus, determining the moisture level does not take much time. There is no calibration system in the device. According to customers, the case is not afraid of mechanical damage.
The model weighs only 430 g. The coaxial port of the moisture meter is not provided. The display system is used diode type and is equipped with a rectifier. According to customers, the probe breaks in the device infrequently. Special attention deserves the high-quality processor of the device. The threshold frequency indicator is at the level of 43 Hz. A temperature determination system is not provided. You can buy this grain moisture meter at a price of 4600 rubles.
Model PM-455 Overview
This is a professional and reliable moisture meter for crops. Experts say that the model has a high-quality processor. There is an automatic calibration system. The probe in the device is used with a single-channel sensor. To increase the accuracy of measurement there is a controller.
The threshold permeability parameter is 12 F. According to expert reviews, the probe fails infrequently. The resolution of the modification is at around 2 pH. The protection system is applied with marking PC20. You can buy the indicated grain moisture meter in a specialized store for 5200 rubles.
Opinion on the moisture meter "Fauna"
The moisture meter of the Fauna grain is made with one probe. Sensors are not provided for the model. The chip itself is used with a rectifier. Her frequency parameter reaches a maximum of 4 Hz. Unfortunately, there is no automatic calibration system. If you believe the reviews of experts, the probe periodically fails. The average measurement time is 3 seconds. The battery is used lithium type, and the model capacity is 240 Ah. You can buy the indicated moisture meter for cereals for 3800 rubles.
OHAUS MB25 Consumer Reviews
The indicated grain moisture meters (in-line) reviews, as a rule, are obtained for high measurement accuracy. The probe in the device uses a contact type. Its length is 1.3 cm. In total, the model has two sensors. If you believe the reviews of experts, then problems with discharge are rare. The plate in the device is very fragile. In this case, the rack is made of aluminum. The maximum frequency is 34 Hz.
Automatic calibration system is provided by the manufacturer. The indicated moisture meter for cereals weighs only 370 g. The housing in the device is made of plastic. There is no temperature detection function. The model contacts are located at the top of the structure. The probe in the model is connected to a rectifier. There is no converter in the indicated moisture meter. If you believe the reviews of experts, then for working with wheat, this model fits well. You can buy a grain moisture meter at a price of 4200 rubles.
Overview of the model VSP-100
VSP-100 grain moisture meter is great for wheat. In this case, the probe is of the contact type. The model has a processor at 20 Hz. The automatic calibration system works well. If you believe the feedback from consumers, then problems with the probe are rare. The contacts of the model are located under the plate. The length of the probe is 1.3 cm.
The converter is used pulse type. The protection system for the moisture meter of cereals of the indicated brand is marked with PC20. The threshold permeability index does not exceed 3.3 F. The stand in this case is made of plastic. The measurement accuracy is about 0.4%. You can buy the indicated grain moisture meter on the market for 4,500 rubles.
HE Lite Reviews
HE Lite is a grain moisture meter (universal), which is sold at an affordable price. Consumers praise him for a quality probe. The measurement speed is 3 seconds. Unfortunately, there is no automatic calibration system. The contacts in the device are located above the plate. The length of the probe is 1.2 cm. The electrodes in this case are installed with a rectifier. The threshold permeability parameter lies in the region of 4 F. The body of the indicated moisture meter of cereal crops is made of plastic. You can buy a model at a price of 3900 rubles.
Customer Reviews for the MT – PRO 5
This hydrometer of grain crops is often used by agronomists. First of all, experts praise the device for a wide rack. Moisture measurement speed is 2 seconds. There is an automatic calibration system. The contacts on the model are connected to a movable plate. The rack has a small height. The processor for a grain moisture meter is used at 44 Hz. A pulse type catcher is installed under the probe. Batteries are lithium type. Their capacity is 240 Ah. The specified moisture meter for crops weighs exactly 420 g. The user is able to buy a device today at a price of 4600 rubles.
MT-PRO 10 Model Overview
This is a very popular and popular grain moisture meter. A feature of the model is considered a high-quality probe. The microcircuit in this case is used with a converter. If you believe the feedback from consumers, then the model is allowed to apply for wheat. The moisture measurement speed is 2.5 seconds. There is a coaxial port in the device.
The system of automatic calibration is not provided by the manufacturer. Electrodes are installed with an insulator. The protection system is used with the PC20 marking. The sensor is a two-junction type. The maximum permeability parameter lies in the region of 4.3 F. The trap in the model is used with an adapter. It is possible to buy the specified hydrometer of grain crops at a price of 4 thousand rubles.
MT – PRO 20 Reviews
This grain moisture meter is made with two sensors. The electrodes of the model are installed in the lower part of the structure. The battery is lithium type. In this case, there is no automatic calibration system. The processor is used at 23 Hz. The probe is used with a length of 1.5 cm. The maximum permeability index is 3.2 F. The trap is used with a capacitor. The accuracy of the measurement of the indicated moisture meter of cereal crops is at the level of 0.8%. For working with wheat, the device is often used. You can buy this device at a price of 4,500 rubles.
Farmex 1010 Customer Reviews
The specified grain moisture meter has many advantages. First of all, experts and consumers note the high accuracy of measurement. Sensors are used with a tube probe. Its length is 1.4 cm. The electrodes are installed under the plate. The stand at this grain moisture meter is made of plastic. The automatic calibration system is working properly. Problems with probe conductivity occur infrequently. On average, the moisture detection rate is 3 seconds. The maximum permeability index is 3.5 F. In turn, the placement ability is at the level of 5 pH.
The plate is made of aluminum alloy. The catcher is used pulse type. The sensor at the grain moisture meter is not afraid of elevated temperature. Problems with malfunctions in the chip rarely occur. The battery is standardly used lithium type, and its capacity is 250 Ah. You can buy this grain hydrometer at a price of 4800 rubles.