MANUAL DT830B PDF

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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If you think the cables are bad place it on the lowest ohms range touch the cables together you should see a reading close to zero. ModemHead Member Nov 20, Click here to register now.

I will contact the seller to see if he’s nice enough to refund me, or re-send me another unit. I learned something new, even if the multimeter can’t be used I contacted the seller a guy from China and got a full refund. It is a “chip-on-board”, meaning the silicon die is glued directly to manuxl PCB and covered with a blob of epoxy. Media New media New comments Search media.

Average responding, calibrated in RMS of a sine wave. The bottom one appears to be a current measurement shunt. This item will be shipped through the Global Shipping Program maual includes international tracking.

Seller’s payment instructions Please send payment via PayPal within 3 days of auction close. So if you got lucky and and the meter started working, it would be un-calibrated now. Contact the seller – opens in a new window or tab and request a shipping method to your location.

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Projecta DT830B Information Sheet

Add to watch list. Before attempting to open the case, always be sure that test leads have been disconnected from measurement circuits. Chances are that if you put voltage on a high current maanual the traces going to the shunt would be blown off rather than the shunt damaged. Electronics suppliers will tell me to keep the parts if I got the wrong ones. I thought Panasonic stuff was good quality!

Fitting the Battery

I guess luck was not on my side. The top item is a fuse. Please enter a number less than or equal to 3.

Nothing else seems to work, I can’t measure voltage or resistance, nothing else is shown on the display. Washing machine trip the breaker Started by sew A moment ago Replies: If there is no taker, the manufacturer wont dare to make things. Your loose connection, could very well be under the ddt830b blob.

I try then to measure voltage from an electrical plug or battery, but the numbers stay at 0. Learn More – opens in a new window or tab International shipping and import charges paid to Pitney Bowes Inc. Get another DMM and measure the voltage and current in the resistance, diode, and continuity modes, and the resistance in the dt8330b and current modes.

And yes the trimmer is for calibration.

This item will ship to United Statesbut the seller has not specified shipping options. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

DTB multimeter not working – Electrical Engineering Stack Exchange

Where is the shunt then? Its easy even for an experienced technician to put the meter on the wrong scale and burn up a meter.

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The overload protection in the diode test mode is V RMS. Don’t spend too long trying to fix your DTB after checking the fuse. I used to use an ultrasonic bonder. Take a look at post 4 here Replacement Manuzl Started by ncag Today at 7: Back to home page Return to top. How could I test the multimeter itself, or the cables red and black used with it, to try to discover what is wrong?

I still like to use the old galvanometer movement meters for mqnual applications where I want to place a small load on the circuit being measured to avoid erroneous errors from using a high impedance digital meters.

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. Sell now – Have one to sell? However newer auto ranging meters provide more settings and better protection from user errors. Any international shipping and import charges are paid in part to Pitney Bowes Inc. See all condition definitions – opens in a new window or tab This question appears to be off-topic.

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