Drok? Dual Display Digital Dc Voltmeter Ammeter Amp Meter 0-999ma Voltage Meter

US $203

USA, United States
Jun 12th

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Home About Us Feedback Newsletter Shop Categories Arts Crafts & Sewing Automotive Baby Beauty Camera & Photo Electronics Health & Personal Care Home & Kitchen Home Improvement Kitchen & Dining Office Products Sports & Outdoors Toys & Games Store Newsletter! Add my Shop to your Favourites and receive my email newsletters about new items and special promotions! General Interest DROK? Dual Display Digital DC Voltmeter Ammeter Amp Meter 0-999mA Voltage Meter 0-33V DC 3.5-30V Power Supply Volt Current Meter Tester RG Display Description DC ammeter and voltmeter with accuracy ? 1% 2digits, three 0.28-inch dual LED digital tube. Voltmeter range is DC 0-33.0V, ammeter range is DC 0-999mA, Power supply is DC3.5-30V.- Easy to use, power is from measured circuit when testing current, needn't seperate power supply. Refresh rate is 500 times/ms which make it work efficiently, operating temperature is -10~65?. With a tiny size 48 x 29 x 26 mm and its installing size is 45 x 26 mm. Main Features Wiring: The thin red wire (VCC): Power supply input + (3.5-30V); [If the measured signal is lower than 30V and can sharing the measured power supply, please be sure that the thin yellow wire and the thin red wire were connected in parallel] The thin black wire (GND): Power supply input - (3.5-30V), common ground design; The thin yellow wire (VIN): Measuring input+ (0-33.0V) The thick red wire (I +): Current input + (must be connected to the load) The thick black line (I-): Current input - (must be connected to the power supply in series) Calibration instruction: Error phenomenon:Because of the some eclectic parts ageing and influenced by the temperature, sometimes when measuring the small current, the error of some meter become big or sometimes some meter don't show zero without load. Solution:When the meter is off the power, please short circuit A and B (connect A and B). Then make the meter have the electricity, the meter will automatically calibrated to zero. When the automatic calibration is over, please disconnect A and B. After this, that is ok. Error phenomenon :Because of the some eclectic parts ageing and influenced by the temperature, sometimes when measuring big current, the error of some meter become big. Solution:let the meter show about half of the range (for example: range 0-10A, let meter show about 5A). At the meaning time, you adjust R7 until the meter show the value is same to the value the more digit meter show. Package include: 1x voltage cuurent meter Specifications Manufacturer: DROK Shipping Weight: 2 Product Dimensions: Width: 2.70 Length: 4.80 Height: 0.40 About Shipping In order to best serve our customers across the entire US, we use a wide variety of shipping services. eBay only allows us to display three shipping options in the shipping menu above, so please note that a different shipping method might be used depending on your location; however, we will of course make sure your package arrives within the stated delivery time. All of our items are shipped from our warehouses in the US. Our handling time is 2 business days, and with free shipping the shipping time is 3-4 business days. In most cases however we manage to ship much faster: don?t be surprised if the mailman delivers your package within just a few days! 30-Day Return Policy After delivery of the package you have 30 days to inspect and check the item. If there is any problem we will gladly accept the return Please note that after 30 days we can no longer accept returns, and unfortunately cannot make exceptions. However, if the item came with a warranty then the manufacturer should be able to honor this warranty. Items can be returned for refunds only. If you would like an exchange then please use the refund to place the order again. When returning a package it needs to be returned in its original packaging, including all accessories, manuals, etc. If any of these are found to be missing, a restock fee will be applied. So make sure not to throw anything away before you know the item arrived in good condition! Once your returned item is delivered back to us, please allow several business days for us to process your return and refund. Satisfaction Guarantee Happy customers are our first priority. Fortunately we manage to make almost all of our customers happy customers. However, erring is only human, and a problem can always arise. When this happens, please contact us as soon as possible, and we will do whatever it takes to make things right! Since we will always try to fix whatever problem occurs, we would also appreciate it if you don?t leave a negative feedback before giving us a chance to solve your problem. Profile Our eBay store is a small family-run business, where we still put our customers first. We are always looking for the best suppliers, in order to provide our customers with the highest quality items and best deals to be found on the internet. As much as our customers love our items and service, we?re always open to suggestions on how to improve things: if there?s something you think we could be doing better, then don?t hesitate to let us know. Thanks for passing by Copyright ? Universe deals All Rights Reserved