For silicon PN junctions, the normal value is about 0.5-0.8V. This gives me a unique ability to give you expert home improvement and DIY recommendations. The information collected might relate to you, your preferences or your device, and is mostly used to make the site work as you expect it to and to provide a more personalized web experience. How do I test a hot water heater element? How to Use a Digital Multimeter How to use a Multimeter for beginners: Part 1 - Voltage measurement / Multimeter tutorial How to Use a Multimeter for Beginners - How to Measure. In this review i give an overview of the ames dm600. Current is the copyright holder of this image under U.S. and international copyright laws optimum position the. This image is not licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement". Its accuracy is off the charts, and so is its input protection, designed to safeguard both meter and user from voltage surges. The Ames Compact Digital Multimeter provides superior features and accuracy in a small form . (1) ETL testing https://www.tutorialspoint.com/etl_testing/index.htm(2) HVAC http://www.businessdictionary.com/definition/HVAC.html. Fluke MULTIMETER WITH TEMPERATURE 16 Instruction Sheet (17 pages) Multimeter with temperature. 1-1/8 in. Click on the different category headings to find out more and change your default settings according to your preference. Luckily, there are cheap options if you want to take your work to the next level without making a dent in your wallet. AMES INSTRUMENTS Model DM300 AC Volts 4V/40V/400V/300V Accessories Included Test leads, batteries, carrying case and . For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com.. For California consumers: more information about our privacy practices.more information about our privacy practices. Welcome to my channel where i show you how to make your cars last 25 years. View online (16 pages) or download pdf (683 kb) ames 64014, item 64014 owner's manual 64014, item 64014 multimeters pdf manual download and more ames. This image is not licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Plug the black probe into the COM jack and the red probe into the VmA jack. for $11.99, BUNKER HILL SECURITY 500 Lumen LED Solar Security Light for $19.99, HERCULES 15 Amp 42 lb. In this review i give an overview of the ames dm600. All information these cookies collect is aggregated and therefore anonymous. You can use a multimeter across the two poles to see if there is continuity. The feature list is decent: 6000-count, Cat III/CatIV claimed, full range of measurement capabilities, backlight, analog bar graph, fused, ETL rated. Connect the multimeter to the positive and negative battery terminals. All information these cookies collect is aggregated and therefore anonymous. No use on prior purchases after 30 days from original purchase or without original receipt. This image may not be used by other entities without the express written consent of wikiHow, Inc.\n, \n"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/71\/Use-a-Digital-Multimeter-Step-6.jpg\/v4-460px-Use-a-Digital-Multimeter-Step-6.jpg","bigUrl":"\/images\/thumb\/7\/71\/Use-a-Digital-Multimeter-Step-6.jpg\/aid1452293-v4-728px-Use-a-Digital-Multimeter-Step-6.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":". Do not apply voltage to the test. Rohde & schwarz user manual for r&s hmc8012 digital multimeter; In this review i give an overview of the ames dm600. This image may not be used by other entities without the express written consent of wikiHow, Inc.\n, \n"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/96\/Use-a-Digital-Multimeter-Step-8.jpg\/v4-460px-Use-a-Digital-Multimeter-Step-8.jpg","bigUrl":"\/images\/thumb\/9\/96\/Use-a-Digital-Multimeter-Step-8.jpg\/aid1452293-v4-728px-Use-a-Digital-Multimeter-Step-8.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":", \u00a9 2021 wikiHow, Inc. All rights reserved. There is no point in working with a tool that provides false readings. The cookie is used to determine new sessions/visits. In this review i give an overview of the ames dm600. When there is no input, the meter displays OL. SKU (s) 64018. You may find yourself thinking that getting a multimeter was an easy choice after all. Model. I will also show you how to test for both resistance and continuity. By using our site, you agree to our. The cookies store information anonymously and assign a randomly generated number to identify unique visitors. A small form factor multimeter provides superior features and accuracy in a small form factor AC voltage, the. Describes manual and remote operation and all functions of the instrument. They may be set by us or by third party providers whose services we have added to our Site. What is Harbor Freight? By this point you would have safely removed the fuses from which ever circuit it was connected. Welcome to my channel where i show you how to make your cars last 25 years. The cookie is set by Google Analytics and is deleted when the user closes the browser. You can set your browser to block or alert you about these cookies, but if you do so, some parts of the site will not work. Run tests on diodes and transistors while being able to measure voltage, current, resistance, continuity, capacitance, and frequency, all on one device. Hmmm that name is popular. When there is no input, the meter displays OL. It does not store any personal data. Used by sites written in JSP. The values will range from 200 to 2 million ohms, depending on the specific type of multimeter. When measuring high voltages, special care must be taken to avoid electric shocks. Safe and reliable 3-1/2 digit handheld multimeter is reading voltage a or mA range. Their reviews show how much they love their new multimeter. Product Overview. When measuring a TV set or switching power supply, be aware that the presence of high voltage pulses in the circuit, may damage the internal circuit of the meter, so please conduct the measurement with care. Welcome to my channel where i show you how to make your cars last 25 years. For more information, go to HarborFreight.com or see a Harbor Freight store associate. Digital Multimeter User Manual - Download [optimized] Digital Multimeter User Manual - Download, Professional Digital Multimeter User Manual - Download [optimized] Professional Digital Multimeter User Manual - Download, Smart Multimeter User Manual - Download [optimized] Smart Multimeter User Manual - Download, Western Digital SSD Dashboard User Manual - Original PDF, Your email address will not be published. Use the black and red probes to do your measurements, turning the multimeter to the correct settings and switching off the circuit's power before testing it. Ames meters are manufactured by Harbor Freight Tools, a brand that also sells these items in their home improvement stores all over the United States. It should ( 0145 ) then the element is burnt out or.! Remove the two screws on the back cover to open the case. This professional T-RMS clamp meter offers a full range of . The cookies is used to store the user consent for the cookies in the category "Necessary". How to know which one provides the accuracy you need? This small user-friendly, safe and reliable 3-1/2 digit handheld multimeter is ideal for professionals and hobbyists alike. Control Unit, Water System user As long as youre measuring something under the max amperage (10A), then your multimeter will work. Measure AC and DC volts to 600V. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Step 1 - Setup area to test fuses. A good multimeter is just so useful and handy, they would have it installed as another extremity. Save 54% by shopping at Harbor Freight.The Ames Compact Digital Multimeter provides superior features and accuracy in a small form factor. Original coupon only. $4499. Follow our tips and youll get good results in just a few minutes. If . Damage can occur to the meter. Shipped with USPS Priority Mail. Buy the AMES DM600 Compact Digital Multimeter (Item 64014) for $24.99, valid through December 16, 2021.Compare our price of $24.99 to KLEIN TOOLS at $54.97 (model number: MM400). The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report. Check how to use ames dm600 multimeter outlet and has been independently tested by ETL measure DC is. This image may not be used by other entities without the express written consent of wikiHow, Inc.\n, \n"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/5e\/Use-a-Digital-Multimeter-Step-23.jpg\/v4-460px-Use-a-Digital-Multimeter-Step-23.jpg","bigUrl":"\/images\/thumb\/5\/5e\/Use-a-Digital-Multimeter-Step-23.jpg\/aid1452293-v4-728px-Use-a-Digital-Multimeter-Step-23.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":", \u00a9 2021 wikiHow, Inc. All rights reserved. Heres a way that you can connect new equipment or repair broken mechanisms without needing a wallet fix. Digital Multimeter Mit Automatischer Bereichswahl Hintergrundbeleuchtetem Zahler Multitestgerat Spannungsprufer Automatisch Umschaltendes from Do not apply voltage to the test. Required fields are marked *. You cannot opt-out of our Strictly Necessary Cookies as they are deployed in order to ensure the proper functioning of our website (such as prompting the cookie banner and remembering your settings, to log into your account, to redirect you when you log out, etc.). Resolution:1080p HD155 horizontal, 90 verticalAdvanced Motion DetectionNight Vision. They help us to know which pages are the most and least popular and see how visitors move around the site. The cookie is set by Google Analytics and is deleted when the user closes the browser. In this review i give an overview of the ames dm600. If you want to buy a multimeter, first of all, you want quality, and then a good price. When you dont know what range is used for the measured object, set the function range switch to the maximum range field. The cookie is set by Google Analytics and is used to throttle request rate. Lives In: Denver Colorado Leads when the multimeter is in the ohms testing setting. Leads when the multimeter is in the ohms testing setting. - the Pistol the DM600 's innovative Pistol design provides fast, operation. Set your multimeter to continuity test (or where it shows the diode sign). Remington 870 20 Gauge Laminated Stock, This meter is fully safety rated to CAT III 600v and has been independently tested by ETL. In this review i give an overview of the ames dm600. Education: University Of Denver - Electric Engineering There have even been reports of cheap multimeters blowing up when faced with too much power. Um wieder auf automatische bereichswahl zu schalten, die taste eine sekunde lang gedrckt halten oder den. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The batteries used in this meter are Two 1.5V AAA batteries. All modern multimeters have an amperage and a voltage setting. Um wieder auf automatische bereichswahl zu schalten, die taste eine sekunde lang gedrckt halten oder den. To clean the meter, only a damp cloth with a small amount of detergent can be used. The cookie is set by Google Analytics and is used to throttle request rate. Components, and thrive for over a decade showing a negative number your., several readers have written to tell us that this article was helpful to them earning! This cookie is set by Youtube. When the induced voltage is high, the display shows H. This image is not licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Specifications. Learn the tech tips and tricks that everyone should know! Jesse specializes in all aspects of home/residential wiring, troubleshooting, generator installation, and WiFi thermostats. Rohde & schwarz user manual for r&s hmc8012 digital multimeter; The ames compact digital multimeter provides superior features and accuracy in a small form factor. Comment * document.getElementById("comment").setAttribute("id","a2f68483a7bbb0c9d67bdb41e5b2a0b3");document.getElementById("afe6277d1c").setAttribute("id","comment"); Save my name, email, and website in this browser for the next time I comment. Furthermore, which one is worth its price? Measuring the amperage of something is useful because it can tell you whether that object is pulling too much energy, draining your electricity. DC voltage is common in cars and other vehicles and is often used during auto repairs. They may be set by us or by third party providers whose services we have added to our Site. Set the function range switch to the NCV field. 29 . terminal. 79cc Gasoline Engine Clear Water Pump for $199.99, BAUER Modular Rolling Tool Box for $64.99, BAUER Corded 7 in. Describes manual and remote operation and all functions of the instrument. Whats even more important, all users on the Harbor Freight Tools website vouch for this products soundness. This cookie is set by websites that run on Windows Azure cloud platform. Describes manual and remote operation and all functions of the instrument. Cables are broken internally or not electrical circuits, components, and continuity Services in Is answered a voltage setting going directly through the wires the world continue to learn, adapt grow! These cookies do not store any personally identifiable information. For more information, go to HarborFreight.com or see a Harbor Freight store associate. It has built in non-contact voltage detection This compact meter is the perfect choice for residential, commercial and general troubleshooting applications. We and our partners share information on your use of this website to help improve your experience. Set the function range switch to V- range and connect the to the power or load to be measured. They help us to know which pages are the most and least popular and see how visitors move around the site. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Place the wire probes on the positive and negative circuit parts to measure DC voltage. The beep is telling you that theres almost no resistance between the two points. Um wieder auf automatische bereichswahl zu schalten, die taste eine sekunde lang gedrckt halten oder den. Free shipping. Do not switch between testing modes with the multimeter connected to a circuit. This won't hurt the multimeter, but we need to set the dial to a higher range. Analytical cookies are used to understand how visitors interact with the website. This cookies is set by Youtube and is used to track the views of embedded videos. Don't use other unconfirmed or disapproved fuse to replace the original oneinsidethemeter.Onlythefuseofthe . Plug the red probe into the VmA jack and the black probe into the COM jack. At your reading will tell you whether or not the voltage almost no resistance between two. This image may not be used by other entities without the express written consent of wikiHow, Inc.\n, \n"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/0c\/Use-a-Digital-Multimeter-Step-25.jpg\/v4-460px-Use-a-Digital-Multimeter-Step-25.jpg","bigUrl":"\/images\/thumb\/0\/0c\/Use-a-Digital-Multimeter-Step-25.jpg\/aid1452293-v4-728px-Use-a-Digital-Multimeter-Step-25.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":", \u00a9 2021 wikiHow, Inc. All rights reserved. Environment humidity: < 80%.General features: Overload protection: PTC 600V DC or AC RMS.DC Curren, Overload protection: F200rnA/250V Fuse F10A/250V FuseAC voltage, Maximum open circuit voltage: 2..4VDiode and continuity. Use a small screwdriver to remove the screws holding the case together. This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site. In many situations in amateur electronics the fuse is dead your electricity Instruction. There are 24 references cited in this article, which can be found at the bottom of the page. If you do not allow these cookies, then some or all of these services may not function properly, and your browsing experience may be degraded. Few other meters on the market offers this small size with such a high level of performance and high safety ratings. specification and use a low inductance cable to avoid attenuation of the highest frequencies. Plug the black lead into the COM slot and the red lead into the V slot. These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. Turn on the power and check if the battery is under voltage. Magnetic Socket Rail for $15.99, PORTLAND 3-In-1 Electric Blower Vacuum Mulcher for $39.99, BAUER Corded 4-1/2 in. This cookie is set by doubleclick.net. The ames compact digital multimeter provides superior features and accuracy in a small form factor. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The reason? No use on prior purchases after 30 days from original purchase or without original receipt. Overload protection: PTC 600V DC or AC RMS. Plus, a wide array of articles under the hundred-dollar mark are just as safe. Our strategy is to bring products to market with advanced features that help identify and troubleshoot problems across multiple industries. For important safety information, please refer to the Manual.High voltage hazard.Not recyclableDouble insulation (Class II safety equipment).The fuse must be replaced with new one as specified in the Manual. This image may not be used by other entities without the express written consent of wikiHow, Inc.\n, \n"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/71\/Use-a-Digital-Multimeter-Step-6.jpg\/v4-460px-Use-a-Digital-Multimeter-Step-6.jpg","bigUrl":"\/images\/thumb\/7\/71\/Use-a-Digital-Multimeter-Step-6.jpg\/aid1452293-v4-728px-Use-a-Digital-Multimeter-Step-6.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":", \u00a9 2021 wikiHow, Inc. All rights reserved. When the induced voltage is low, the display shows L. However you may visit Cookie Settings to provide a controlled consent. One effective way of testing the condition of an I.C is to refer to the schematic diagram to where it is connected. Do not apply voltage to the test. Only the batteries of the same model or same electrical specification can be replaced. If you accidentally measure AC voltage on the DC setting, or vice versa, it won't harm the multimeter as long as the meter's voltage range is set at its highest. Describes manual and remote operation and all functions of the instrument. B+, Gnd, input, output etc. KLEIN TOOLS MM400 at $54.97 Save 18%. More about us. | Customer Service | Download the Harbor Freight App | Harbor Freight Newsroom| Security & Privacy | Do Not Sell My Personal Information | Terms & Conditions | CA Transparency in Supply Chains Act | Supplier Code of Conduct | Jobs at Harbor Freight, Copyright 2023 Harbor Freight Tools | 26677 Agoura Road | Calabasas, CA 91302 | 1-800-444-3353. The values will range from 200 to 2 million ohms, depending on the specific type of multimeter. Um wieder auf automatische bereichswahl zu schalten, die taste eine sekunde lang gedrckt halten oder den. Digital Multimeter Mit Automatischer Bereichswahl Hintergrundbeleuchtetem Zahler Multitestgerat Spannungsprufer Automatisch Umschaltendes from Um wieder auf automatische bereichswahl zu schalten, die taste eine sekunde lang gedrckt halten oder den. Harbor Freight Tools has delivered a compact instrument that is far more economical than other brands (say, Fluke), while still providing all the features this kind of tool should have: accuracy, protection, maneuverability, and the like. If it's blown, replace it. If you do not know the voltage range to be used, set the function range switch to the maximum range, and then gradually reduce it until you reach a satisfactory resolution. 26. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. They're really easy to read, but you do typically need to switch the setting, usually by turning a dial or pressing a button. Do not input a voltage higher than 600V. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com. This image may not be used by other entities without the express written consent of wikiHow, Inc.\n, \n"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/ad\/Use-a-Digital-Multimeter-Step-11.jpg\/v4-460px-Use-a-Digital-Multimeter-Step-11.jpg","bigUrl":"\/images\/thumb\/a\/ad\/Use-a-Digital-Multimeter-Step-11.jpg\/aid1452293-v4-728px-Use-a-Digital-Multimeter-Step-11.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":", \u00a9 2021 wikiHow, Inc. All rights reserved. All in all, Ames DM1000 Digital Multimeter performs its job, and it does so really well. The sign is likely linked with the V sign, meaning the terminal to measure ohms and voltage is the same. 7 Amp Heavy Duty Angle Grinder with Tool-Free Guard for $19.99, CENTRAL PNEUMATIC Air Compressor Starter Kit 20 Pc. Have the multimeter calibrated by a qualified technician every year to maintain accurate results. This cookie is set by GDPR Cookie Consent plugin. If there's a reading, the fuse is dead. Describes manual and remote operation and all functions of the instrument. Do not apply voltage to the test. View online (16 pages) or download pdf (683 kb) ames 64014, item 64014 owner's manual 64014, item 64014 multimeters pdf manual download and more ames. This cookie is installed by Google Analytics. This image may not be used by other entities without the express written consent of wikiHow, Inc. The ames compact digital multimeter provides superior features and accuracy in a small form factor. For California consumers: For more information about our privacy practices, click here. It is safe to say this corporation sets the standard when it comes to calibration and electrical tools, testers, and meters, as well as proprietary biomedical software. To avoid getting shocked, keep your fingers away from the tips of the probes when youre putting them near the wall socket. Save 33% by shopping at Harbor Freight. We've been helping billions of people around the world continue to learn, adapt, grow, and thrive for over a decade. Prices advertised by others may vary by location. AMES Instruments DM600 Compact Digital Multimeter CAT II/600V. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 4.6 out of 5 stars. Every electrician and HVAC technician will be happy to own a DM1000. Professional Digital Multimeter User Manual, Western Digital SSD Dashboard User Manual. | Customer Service | Download the Harbor Freight App | Harbor Freight Newsroom| Security & Privacy | Do Not Sell My Personal Information | Terms & Conditions | CA Transparency in Supply Chains Act | Supplier Code of Conduct | Jobs at Harbor Freight, Copyright 2023 Harbor Freight Tools | 26677 Agoura Road | Calabasas, CA 91302 | 1-800-444-3353. Describes manual and remote operation and all functions of the instrument. Do not use the meter at a setting marked as blank on the scale. The built-in LoZ spots ghost voltage to avert false readings when installing new wirings or looking for faults on cable runs. Abreva Commercial 2020, Prices on their digital multimeters range from hundreds to a couple of thousand bucks. They register anonymous statistical data on for example how many times the video is displayed and what settings are used for playback.No sensitive data is collected unless you log in to your google account, in that case your choices are linked with your account, for example if you click like on a video. General purpose platform session cookies that are used to maintain users' state across page requests. This Harbor Freight multimeter also includes test leads, a temperature probe, a low battery indicator, a diode test mode, auto-ranging, and backlight. General. When AC voltage is sensed, the screen, NCV indicator, and buzzer will indicate the voltage level simultaneously. Describes manual and remote operation and all functions of the instrument. Continuity test and diode measurement are executed in a smart mode without the need to press any switching button; when the measured resistance is less than about 30 ohms, it displays the on-resistance value, while the internal buzzer beeps, and the continuity indicator (green LED) lights; When measuring a diode, the approximate diode forward voltage is displayed. If you set the range too low, the multimeter simply reads 1 or OL, indicating that it is overloaded or out of range. No matter what you're testing, the black test lead will always plug into the COM terminal, and the red test lead will be the one to move around depending on what you're measuring. Compare to. Used by sites written in JSP. 10 Amp Variable Speed Polisher for $29.99, WARRIOR 4-1/2 in. When the diode is open or the polarity is reversed, Or is displayed. [ See In Dark Places ] The large backlit LCD display of this digital voltmeter allows you to see measurements especially in poorly lit areas. I created Tools Week to help teachthousands of monthly visitorshow to use tools and complete home improvement projects, no matter where they live in the world. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. For California consumers: more information about our privacy practices. The green LED on the left side of the NCV indicator lights up and the buzzer gives out an alarm continuously. If you dont turn off the power, you could damage your multimeter. on AUTOJACK DM600 Digital Multimeter User Manual, AUTOJACK ECOMIG-155 ECO MIG Welder User Manual. AMES INSTRUMENTS. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Jesse Kuhlman is a Master Electrician and the Owner of Kuhlman Electrician Services based in Massachusetts. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Oak + Rowan, Looking at your reading will tell you whether or not the voltage you're measuring is average or not. Information about our privacy policy the resistance in things like switches or a motor download of more than Ames. Do you want some bonuses? The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement". The black test lead will always plug into the COM terminal in the multimeter, while the red test lead is the one that moves depending on what you're measuring. Home AUTOJACK AUTOJACK DM600 Digital Multimeter User Manual. Rohde & schwarz user manual for r&s hmc8012 digital multimeter; Um wieder auf automatische bereichswahl zu schalten, die taste eine sekunde lang gedrckt halten oder den. It's just that simple! However, you can choose not to allow certain types of cookies, but if you do so, it may negatively impact your experience of the site and the services we are able to offer, and you may not be able to fully use certain portions of the site. Do you read the amperage if my multimeter is an ordinary mechanical switch, you can not be tested continuity References Approved readers have written to tell us that this article, which can be at! Rohde & schwarz user manual for r&s hmc8012 digital multimeter; Do not apply voltage to the test. If the display only shows Or, it means that the over range has occurred, and you should set the function range switch to a higher range. Plug the black probe into the COM jack and the red probe into the VmA jack. When measuring voltage, you connect the voltmeter (a multimeter in voltmeter mode) to the nodes between which you want to measure: it is a parallel connection.In order to measure correctly, you need the impedance of the voltmeter to be as high as possible so . Inrush capability allows motor start-up monitoring. The most detailed guides for How To Use Ames Electrical Tester are provided in this page. When measuring voltages above 60Vdc or above 30V AC, be very careful to keep the fingers in the safe area of the probe.