Different types of soil temperature and humidity recorders

2021-05-11 20:25:07
Crop growth requires a certain soil environment, such as soil nutrients (content of soil nitrogen, phosphorus, potassium, organic matter, etc.), soil moisture, soil temperature and other parameters. A suitable soil environment can ensure the healthy growth of crops. Otherwise, crops may suffer from malnutrition and withering. Nowadays, science and technology have gone deep into all walks of life, including agriculture and agriculture. We will use various test methods and advanced instruments such as spectroscopy and near-infrared spectroscopy; mass spectrometry; chromatographs, etc., all of which are high-end technologies. product. Usually, we often use some commonly used instruments in agricultural operations, such as soil nutrient analyzers, soil moisture analyzers, and so on. So today we mainly analyze soil temperature and humidity recorders that can measure soil moisture and temperature.
Soil temperature and humidity recorder, no doubt, can measure the moisture in the soil, but also the temperature in the soil, is a multi-parameter instrument. Zhejiang Top Instrument Co., Ltd., according to market demand, developed and produced different types of soil instruments with different price points. Such as TZS-2X soil temperature and humidity recorder, TZS-3X soil temperature and humidity recorder, TZS-5X soil temperature and humidity recorder, different models correspond to different functions, let's take a closer look at the differences between them.
model
TZS-2X type
TZS-3X type
TZS-5X type
Functional differences
Record soil temperature and soil moisture 2 parameters.
Record soil temperature, soil moisture, atmospheric temperature 3 parameters
Record soil temperature, soil moisture, atmospheric temperature, atmospheric humidity, dew point 5 parameters
As can be seen from the above table, different types of soil temperature and humidity recorders can measure different soil parameters. The TZS-2X Soil Temperature and Humidity Logger can only measure two parameters, soil temperature and soil moisture; while the TZS-5X can determine five parameters, soil temperature, soil moisture, atmospheric temperature, atmospheric humidity and dew point.
The characteristics of the soil temperature and humidity recorder produced by Zhejiang Top Instrument Co., Ltd. are as follows: Large-screen Chinese LCD display, film-type buttons, real-time display of sampling date and time, special aluminum alloy suitcase, light weight, easy to field operations; RS232 interface , Data extraction and import EXEL for drawing, computer analysis software free download, upgrade; low-voltage warning, automatic shutdown.

Brief Introduction

Food extrusion is a form of extrusion used in food processing. It is a process by which a set of mixed ingredients are forced through an opening in a perforated plate or die with a design specific to the food, and is then cut to a specified size by blades. The machine which forces the mix through the die is an extruder, and the mix is known as the extrudate. The extruder consists of a large, rotating screw tightly fitting within a stationary barrel, at the end of which is the die.

Extrusion enables mass production of food via a continuous, efficient system that ensures uniformity of the final product. Food products manufactured using extrusion usually have a high starch content. These include some pasta, breads (croutons, bread sticks, and flat breads), many breakfast cereals and ready-to-eat snacks, confectionery, pre-made cookie dough, some baby foods, full-fat soy, textured vegetable protein, some beverages, and dry and semi-moist pet foods.

Process

In the extrusion process, raw materials are first ground to the correct particle size, usually the consistency of coarse flour. The dry mix is passed through a pre-conditioner, in which other ingredients are added depending on the target product; these may be liquid sugar, fats, dyes, meats or water. Steam is injected to start the cooking process, and the preconditioned mix (extrudate) is then passed through an extruder. The extruder consists of a large, rotating screw tightly fitting within a stationary barrel, at the end of which is the die. The extruder's rotating screw forces the extrudate toward the die, through which it then passes. The amount of time the extrudate is in the extruder is the residence time.

History 

The first extruder was designed to manufacture sausages in the 1870s. Packaged dry pasta and breakfast cereals have been produced via extrusion since the 1930s, and the method was applied to pet food production in the 1950s. It has also been incorporated into kitchen appliances, such as meat grinders, herb grinders, coffee grinders, and some types of pasta makers. A similar functional process occurs when using pastry bags.

Effects

Extrusion enables mass production of food via a continuous, efficient system that ensures uniformity of the final product. This is achieved by controlling various aspects of the extrusion process. It has also enabled the production of new processed food products and "revolutionized many conventional snack manufacturing processes". The extrusion process results in "chemical reactions that occur within the extruder barrel and at the die.

Machine Photo:

Photobank 21


Food Extruder

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