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Digital Multimeter DT830D
Digital Multimeter DT830D
₨600
Digital Multimeter DT830D used to check current, voltage, resistance and much more. Significantly used in the troubleshooting of electronic components.
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Digital Multimeter DT830D, Portable digital smart multimeter
to check current current voltages resistance, repair electronics equipment || current meter || voltmeter
Digital Multimeter DT830D is an electronic measuring instrument that combines several measurement functions in one unit. It includes basic features such as the ability to measure voltage, current, and resistance. Digital multimeters (DMM, DVM) display the measured value in numerals, and may also display a bar of a length proportional to the quantity being measured. A multimeter can also be a handheld device useful for basic fault-finding and field service work, or a bench instrument which can measure to a very high degree of accuracy. They can be used to troubleshoot electrical problems in a wide array of industrial and household devices such as electronic equipment, motor controls, domestic appliances, power supplies, and wiring systems.
| Weight | 0.3 kg |
|---|
Features
Digital Multimeter DT830D is a digital multimeter made in China. It is capable of measuring voltage, current, resistance, transistor, diode, and has a signal generator function. However, you should be aware that it cannot measure capacitor values. There are many branded versions of this meter all with the same model number. I managed to find UNI-T, DOSS, Fuke, Haoyue, Nora, and Sunwa versions that were all identical to the one shown in this article and based on the same 830 series chip. This meter has the ICL7106 Chip on Board (COB) package and the accuracy figures are very much the same as those of the DT830B.
This meter does not come with a service manual, or instructions of any kind, and instead, the accuracy figures are on the back of the box. If you need more information regarding accuracy then please refer to the DT830B article. If you need a service manual, then I have a section on the ICL7106, which should be very useful because it has a multimeter circuit.
Please note that the model specification, and price, may change over time. The contents offering (such as box, manual, probes) may also differ between sellers; therefore it is advisable to search for the best offer currently available on auction sites.
Specifications
Fuse: Un-Fused Shunts
For the current measurement, the instructions on the back cover indicate that there is a fuse protection. However, if you look inside, there is no fuse! A fuse is a very important safety component that should be included in all meters. Even some of the cheapest budget-end designs have them. Un-fused shunts mean that your meter has no way to protect itself from over-current situations. In such an eventuality, the PCB trace will burn, or the main chip damaged, and therefore your meter will not last very long.
Since there is no fuse protection, the maximum current ratings may not be accurate either. On the meter, there is a marking indicating “200 mA max”. It made me wonder whether this was the rating of the PCB trace. This meter could get damaged if the setting is on 200 mA, and you pass 1 ampere through it by mistake. You will therefore have to be very careful when you are measuring current, or best not to use it at all for current measurement.
