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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I have one such sample that burnt off in moments after purchase. If the resistor being measured is connected to a circuit, turn off power and discharge all capacitors before applying measurements! However, when I powered it up using a newly bought 9V battery, it doesn’t seem to work. You need to open the case as the manual says. Shipping cost cannot be calculated. I opened the device again, and I think I managed to see why it’s not working: See terms – opens in a new window or tab.

repairing the DT830B digital multimeter

Also, components should not be connected to the hFE socket when making voltage measurements with the test leads! Its easy even for an experienced technician to put the meter on the wrong scale and burn up a meter.


Manuxl any case, you can get one free at Harbor Freight. I guess luck was not on my side. If there is no taker, the manufacturer wont dare to make things. Its display is working OK.

Mouse over to Zoom – Click to enlarge. This item will be shipped through the Manuxl Shipping Program and includes international tracking. I used to use an ultrasonic bonder. Welcome to our site! Refer to eBay Return policy for more details.

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Owner’s operation manual for DT Series 3 ½ Digital Multimeter

Seller does not offer returns. Looking forward to any advice. Items will ship as soon as payment has cleared. Sell now – Have one to sell? Check your user manual for exact values. Have one to sell?

The item arrived early and the packaging seems intact. Anything else I could do to fix the multimeter?

Chances are that if you put voltage on a high current range the traces going to the shunt would be blown off rather than dt830g shunt damaged. Delivery time is estimated using our proprietary method which is based on the buyer’s proximity to the item location, the shipping service selected, the seller’s shipping history, and other factors.


So if mnual got lucky and and the meter started working, it would be un-calibrated now. There are 3 items available. For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab.

Fitting the Battery

Select a valid country. It is a “chip-on-board”, meaning the silicon die is glued directly to the PCB and covered with a blob of epoxy.

I try then to measure voltage from an electrical plug or battery, but the numbers stay at 0. Also do not try and measure resistance in a powered up circuit or place it in the current or resistance measuring mode across a voltage source.