DTB pocket-size digital multimeter – technical specifications, operating instructions and schematic diagram. The DTB is a Digital Multimeter that can measure AC and DC voltage, DC current, The meter unpacks with a small user manual in which the manufacturer. The DTD Digital Multimeter is a basic tool, which anyone with an average intelligence would be capable of using. This is not an auto-ranging meter, and you.

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All I would do is to check for loose parts, but I’ll bet you rt830b that already. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab.

Seller information eskdja I have one such sample that burnt off in moments after purchase. Eduardo Claro 4 1. I opened the device again, and I think I managed to see why it’s not working: I use my analog multimeter to check the fuse onboard and it seems OK. Cheaper to manufacture this way. Media New janual New comments Search media.

Fitting the Battery

It is a “chip-on-board”, meaning the silicon die is glued directly to the PCB and covered with a blob of epoxy. Interest will be charged to your account from the purchase date if the balance is not paid in full within 6 months. I guess luck was not on my side. See terms – opens in a new window or tab. Hobby Electronics Resistor color codes Resistor color code calculator Semiconductor testing with multimeters Hobby projects Metal detectors Wireless microphone Power audio amplifiers Hobby electronic kits Digital and analog multimeters.


Please feel free to contact me with any questions or concerns.

You must log in or register to reply here. I think sometime ago Janual tried to measure something wrongly, and maybe I broke it. To maunal you need to register. It is not worth repairing. See all condition definitions – opens in a new window or tab Add to watch list.

I have a digital multimeter DTB, and I suspect it is damaged. Estimated on or before Mon. Minimum monthly payments are required. Take a look at post 4 here If you see or smell burnt components usually resistors they will have to be replaced before you will be able to use all the available functions.

That is why you never buy stuff manyal ebay! Before attempting to insert transistors into the socket for testing, always be sure that test leads have been disconnected from any measurement circuits.

DTB multimeter not working – Electrical Engineering Stack Exchange

Learn more – opens in a new window or tab. If the connection is reversed, only figure “1” should be displayed for a good diode. A lot of inexpensive DMMs, panel meters, etc. Probably he’s wrong, I’ll change the answer. I thought Panasonic stuff was good quality!

Shipping cost cannot be calculated. For measuring currents between mA and 10A, insert the red lead into the “10A” unfused jack.

Thanks all for the info. This amount is subject to change until you make payment. I don’t believe that the seller deliberately sells faulty unit, my multimeter might have been damaged during shipping. I think if I solder it again it maybe work. Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag.


Learn more – opens in new window or tab. And yes the trimmer is for calibration. However newer auto ranging meters provide more settings and better protection from user errors.

The series pocket-size multimeters come in many colors black and yellow are the most common and many variants: Barry 9, 1 14 I used to use an ultrasonic bonder. This question appears to be off-topic. Spehro Pefhany k 4 Select a valid country. Chances are that if you put voltage on a high current range the traces going to the shunt would be blown off rather than the shunt damaged.

Electro Tech is an online community with overmembers who enjoy talking about and building electronic circuits, projects and gadgets. Read more about the condition.

If either the fuse or some traces are open you can see the thin hair-like element inside the glass mA fuse then some functions of your multimeter will not work. Replacement Transformer Started by ncag Today at 7: