Assembled Soldered High Resolution Capacitance Meter DIY Kit by Roman Black Battery is not included! New Edition of High Resolution Capacitance Meter. Can be excellent solution for your home lab. Required solder skill for assembling and testing. Now it has new PCB design, On/Off power switch, trimmer for calibration and easy LCD installation. The kit include LCD that can operate without backlight to improve battery life. Technical specification: Very high resolution measure: from 3 to 7 digits! Wide measure range: 0pF to 50uF. Can be used to measure few picofarads ceramic capacitors up to 47uF electrolytic caps. Simple Calibration with a Screwdriver and Multimeter. Accuracy: 1% or better. Auto-zeroing, floating zero and negative capacitance (relative to zero). Simple Display LCD 16x02 Installation. Compact design for installing into project box or panel. Supply Voltage: 8V -12V DC, Can be powered from one 9V battery. Supply Current: 12mA On/Off Power Switch Shipping Weight: 150 gr SKU: RH-K-CM-4 This DIY electronic Kit based on Roman Black circuit and hex file for PIC16F628A. For technical explanation and discussion please visit Roman Black website With our DIY kit you can assemble capacitance meter for your home lab. This capacitor meter can measure discharged capacitors from any type: ceramic, mylar, metal film or electrolytic. It's very performance device for reasonable price, suitable for people who like DIY electronic projects. The meter can display negative capacitance values compared to the zero point. If you zero it on a precision 1000pF cap, other 1000pF capacitors tested will read as + and - the difference, so it can be used to check capacitance error against a precision capacitor. The second advanced feature is the auto calibrate mode. If the button is held for 2 seconds the cap meter enables auto zero calibration. Then any time when there is no test cap connected (<3pF on test leads) the cap meter will slowly "trim" its zero calibration by about 0.01pF every second so that it is always correctly at zero! When in auto-calibration mode it can still be zeroed by pressing the button. To improve the accuracy and stability of the measure process we use in our project temperature stable 270pF NP0. Otherwise, if you connect test leads with crocodile clips to terminal block out, it's normal to see small capacitance drifts because the capacitance between the probes! Calibration process can be made with a small screwdriver and multimeter: you'll need only to trim R3+P1 resistance to 10.00K The Advanced Edition has more complicated assembly process than Beginner Edition. LCD is installed with 16 Pin Female Header and 2 Standoffs. It have onboard zero button and also you can connect external zero button. We also add protection diode to prevent wrong +- power supply connection. This version is more compact, but requires some experience in the assembly and soldering of electronic devices. Download USER MANUAL PDF Package include: 1x Soldered Capacitance Meter DIY Kit with LCD 2x Alligator Clips with wire to make probe To our valued customers, please read purchase terms before you bid or buy! Technical issues and support: If you purchase this item you are agree that you have skills and tools to perform required DIY soldering (or de-soldering) and you know how to connect additional external components or modules. All project components should be installed and soldered in proper polarity with proper connectors. Any hardware/software modifications are not covered with warranty. If you have doubt it always better to ask for technical support before doing something. Please download and read carefully PDF user manual, product purchase terms. Almost all technical issues already described in the manual! If you have any technical issue with the product please contact us asap. Support provided by email or via eBay message. Please read support requirements here http://www.rhelectronics.net/store/support-request Please read carefully product title, description and include list. Any questions are welcome. If you received broken or defective parts please contact us first, because we can resolve this problem in best way. Handling time: 3 business days to process international orders required after receiving cleared payment. This does not include the number of business days the shipping service will take to deliver the item to you. We can upload a tracking number during handing time even before your package was transferred to logistic company for the delivery. Shipping: We dispatch your order during 1-3 business day and will upload a tracking number to eBay for USA buyers only. Take note, international shipping is more complicated and longer than domestic, that's why when you buy internationally it mean you are agree to wait for the package. For Economy International Delivery default stated time is 3-5 weeks. Some countries may take longer because of your country custom regulation rules or postal service. USA usually take 2-4 weeks; Europe 1-4 weeks; Australia 2-4 weeks; Germany 3-4 weeks; Israel 3-7 days; Russian Federation 4-8 weeks; All other countries 3-5 weeks default delivery time. Please contact us if you not received your package during 30 days. During checkout you can select available and preferred shipping method for you country. We offer Economy International Shipping and Priority International Express Delivery. If you cannot wait 30-35 days for the delivery please select faster and more expensive method in advance! We do not accept any claims for shipping time if you have chosen Economy Shipping! Economy Shipping mean we'll send your items with Registered Air Mail, but we cannot promise it will be fast, because it depends on post service, flights schedules, weather accidents, custom processing and other things that out of our control. Priority Express Delivery promise you'll receive the order much more faster, so make your decision about shipping method before you pay. Priority Mail available for USA, United Kingdom, Canada, Germany, Australia. Other countries can select EMS Express. Tracking: Take note, we ship through state export account and not from post office branch. This is the reason why your package is trackable only after it was sent abroad from Israel export and not at the date of collecting or at the date we uploaded a tracking number. Online tracking system in Israel displays information with big delays, post website provide tracking info for reference only several days after your item was sent abroad! Please be patient for the delivery and contact us if you have additional questions about shipping. Don't buy/bid if you are not ready to wait for the package during 3-5 weeks when you select Economy Shipping! Don't buy/bid if you make low DSR feedback because of shipping time or shipping price or just because of your custom import tax! Custom & Duty Fee: All international buyers are responsible to cover any possible custom fee or import tax that maybe applied at his/her country. We are obligated by export law of Israel to declare an order price as it was stated in your PayPal bill. German buyers, please remember when you buy that in Germany import custom rules require you to pay fee. We are not accept any claim because of your country custom regulation rules / delays / fee! Please contact your local custom office for more details about custom process and import tax. Returns: Accepted if you not started to solder/use device. In original package, including all components. During 14 days after you receive the package. Payment: Paypal only, or cash for local pickup. 2013 Year RH Electronics Customers Location Thank you for your positive feedback!
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