Electronic balance for weighing object quality. Electronic balances generally use strain gauge sensors, capacitive sensors, and electromagnetic balance sensors. The strain gauge sensor has a simple structure and low cost, but has limited precision. At present, it cannot achieve high precision; the capacitive sensor has a fast weighing speed and high cost performance, but it cannot achieve high precision; an electronic balance using an electromagnetic balance sensor. It is characterized by accurate and reliable weighing, fast and clear display, automatic detection system, simple automatic calibration device and overload protection. However, if the temperature is too high or too low, the weighing of the electronic balance will be inaccurate. How can we solve this problem?
Below we will introduce from the practical point of view how the new balance can help your work, first we talk about how to eliminate the effect of temperature symmetry results, first introduce you to the isoCAL technology:
1. What is isoCAL technology: isoCAL is the calibration process that is automatically activated after a set time interval or when the temperature changes beyond a certain range.
2. Why is isoCAL
1) Temperature change is one of the important factors affecting the accuracy of weighing results. However, due to the difference of temperature difference between morning and afternoon, equipment heating, personnel flow, etc., the high temperature between Zui and the low temperature of Zui can reach 3-8 in one day. °C.
As shown in the figure, when the ambient temperature changes, the weighing result will drift. When the temperature changes beyond a certain range, the drift can be eliminated by calibration.
2) In addition to temperature changes, electronic drift, vibration, and all imperceptible error factors can affect the symmetry results. Calibrating the balance over a certain time interval greatly reduces the risk of obtaining inaccurate results.
3. Frequently asked questions about the isoCAL feature:
Some users have such a question: the isoCAL function is very good, but sometimes the balance still starts to be automatically calibrated when the weighing object is placed on the tray. Is the situation normal and how to solve it?
In fact, when the mass of the weighing object is less than 4% of the weighing range, the balance will default to the process of automatically calibrating the object on the tray (the weighing mass is greater than 4% of the weighing range and will be performed after the weighing process ends). Fully automatic internal calibration). When isoCAL is in the weighing process, if you are using a Sartorius balance, you don't need to do anything, just wait patiently for tens of seconds until the process ends normal. The data is after calibration. Accurate data.
It is worth mentioning that most of Sartorius products are equipped with this feature to ensure the reliability of your weighing results.
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