显示标签为“digital multimeter”的博文。显示所有博文
显示标签为“digital multimeter”的博文。显示所有博文

2011年9月13日星期二

Digital multimeter,do you want to buy one

You know, digital multimeters can used in many places and usages. You can use it to test your mechine or test the temperiture outside Again in order to check current, the electronic multimeters with clamp head accessories are fine to use. And the neccesary part of using these is that you can take care without even opening the circuit. Just like testing voltage, current can be measured both in AC and DC by setting the dial in A_ and A directly. It is to be noticed that if you are controlling current less than 1A, then high quality multimeters are used, otherwise they are used with a clamp. Now you know the strong usage of the multimeter.

2011年9月6日星期二

digital multimeter,multimeter tutorial,mastech

Now, many digital multimeters are made to be rugged and easy to use. A perfect multi-funtional multimeter will have a rugged plastic case and big, easy to use selector knobs. The top part includes the digital read out screen. This is what you should thoroughly check out before you want to buy one. Make sure the screen is large enough for you to see and make sure you see the information clear in sunlight. It all depends on your application.
Below the digital readout is a large button called the function switch. The function switch can change the modes of the digital multimeter. For example, you can easily change from voltmeter to ammeter to ohmmeter with the change of the switch. Most function switches have almost eight positions. Most have three V markings that measure voltage. So please don't hesitat to buy a digital multimeter in marcmart.