What is the measuring principle, key features, and main parameters of the ST119C NMR oil content tester?

The ST119C NMR oil content tester is an instrument independently developed and produced by Shandong Shengtai Instrument Co., Ltd. It mainly relies on nuclear magnetic resonance (NMR) technology, and is developed based on an embedded development platform and digital signal processing technology. Its core function is to quickly measure the oil content of samples without crushing the samples, which effectively simplifies the detection process and improves efficiency.

This tester is mainly applicable to oil crop seeds (such as soybean, rapeseed, sesame, corn, cottonseed, sunflower seeds, peanuts, wheat, flax seed, tung seed, etc.) as well as processed products like bread and meal, providing accurate oil content data support for related production and testing work.

Measuring Principle

The instrument utilizes the nuclear magnetic resonance (NMR) effect of hydrogen nuclei in oil molecules. Under the action of a magnetic field, hydrogen nuclei in the sample's oil generate specific resonance signals. Through the embedded development platform and digital signal processing technology, the resonance signals are collected and analyzed, and finally converted into the oil content value of the sample. It is worth noting that the instrument is equipped with frequency locking technology, which can automatically maintain a stable working frequency without manual adjustment, thereby reducing human error and greatly improving measurement accuracy.

Key Features

1. It is equipped with a color LCD screen, and supports mouse + keyboard operation. The computer operation software can automatically adjust the frequency, making the operation more intuitive and convenient.
2. It has a USB flash disk data interaction function: data can be copied to the computer via a USB flash disk, and test results can be printed directly; at the same time, the instrument software can be upgraded through a USB flash disk, facilitating subsequent function optimization.
3. No sample crushing is required: the sample can be tested directly without pre-processing steps such as crushing, saving time and avoiding sample loss or contamination caused by crushing.

Main Parameters

Parameter Category Specific Content
Sample Volume 40ml
Oil Measuring Range 0.1% - 100%
Precision ±0.2%
Stability ±0.1%
Power Source 220V, 50HZ
Power Consumption ≤40W
Host (Desktop) Dimensions: 360mm×310mm×160mm; Weight: approximately 5kg
Extension (Desktop) Dimensions: 360mm×280mm×210mm; Weight: approximately 22kg

Packing and Shipping

- Package: The instrument is packaged in a carton box to ensure that it is not damaged during transportation.
- Shipping: The delivery cycle is about 5 days, which can meet the rapid demand for instruments in related testing scenarios.