Extech 380560 High Resolution Precision Milliohm Meter DETAILS 7 resistance ranges measure from 200m? to 20k? High resolution down to 0.01m? 4-wire test cable with Kelvin clip connection Built-in comparator for Hi/Low/Pass resistor sorting Automatic zero SPECIFICATIONS View larger High Resolution Precision Milliohm Meter Compact and precise, the Extech 380560 Milliohm Meter has 7 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the unit's large 0.8-inch, 1999-count LCD. Other Features Automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 110VAC and comes complete with 4-wire cables with Kelvin clip connectors. What is a MilliOhm? The units of measure for resistances less than 1 Ohm (?) are Milli- (m?) and Micro-(??)Ohms. One MilliOhm (1m?) is equal to one thousandth of an ohm (0.001). One MicroOhm (1??) is equal to one millionth of an ohm (0.000001). For example, 0.5 ohms (one half an ohm) is equal to 500m?. Why bother measuring resistances so low? It may seem like too small a resistance to be of any consequence but many safety standards (UL, CSA, VDE, etc.) require that such resistances be measured during the manufacture of consumer products, hand tools, and many appliances. A good example is the testing of kitchen appliances. Why are 4-wire connections required when making milliohm measurements? Test leads always introduce a small amount of additional resistance into a measurement. This is acceptable in non-critical measurements such as megohm resistances. However, when measuring milliohms in a critical application, any additional resistance can render the measurement useless. This is why 4-wire (Kelvin) connections are imperative. More Extech Instruments to Choose From View larger 380562 220-Volt High Resolution Precision Milliohm Meter Benchtop Milliohm Meter has 7 ranges and measures down to 0.01 milliohms. Measurements are displayed on a 1999 count display with 0.8-inch digits. Additional features include: automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 220 VAC and comes complete with 4-wire cables with Kelvin clip connectors. View larger 380580 Battery Powered Milliohm Meter Battery operated Milliohm Meter has 5 ranges and measures down to 0.1 milliohms. Measurements are displayed on a large, 2000 count LCD. Additional features include over-temperature and over-voltage protection, Auto-Hold, Auto power off, and invalid test indicators to prevent inaccurate measurement. Unit is housed in a built-in water resistant case and comes complete with eight AA batteries, and two sets of test leads (4-wire with four alligator clips and 4-wire with two Kelvin alligator clips). View larger 380460 110-Volt Precision Milliohm Meter Precision Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the large 0.7-inch 1999 count LCD. Additional features include a durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 110VAC 60 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category. View larger 380462 220-Volt Precision Milliohm Meter Precision Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the large 0.7-inch 1999 count LCD. Additional features include a durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 220 VAC 50 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category. ADDITIONAL FEATURES Manufacturer: Extech Instruments Shipping Weight: 645 Product Dimensions: Width: 11.20 Length: 14.60 Height: 6.50 SHIPPING INFORMATION ● Our stock all ships from our US-based warehouses. ● Shipped via USPS or UPS or FedEx (depending on location and package weight) ● eBay Global Shipping Program - We are a part of eBay Global Shipping Program. This means that eBay will be responsible for shipping and import charges and times. We don't control the shipping times and import charges, which are based on your location in the world. You can find all the info in the eBay listing! RETURN & REFUND POLICY ● We offer a 30 day return/exchange policy for our products. ● You can choose refund or exchange if you are dissatisfied for any reason with your product. ● Only factory defects are accepted as a reason for a return. In the case of factory defects, we will replace the product for you. ● When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. ● You will be required to cover shipping on the return of defective items. ● All returns MUST be done within 30 days of date of purchase. Please note that we cannot give refunds or replacements after the 30 day limit has expired. ● When sending in a return, please note that it can take up to 7 business days for the return to be processed. We do our best to process as quickly as possible. ● Buyers outside the U.S.A please note - ALL of our electrical appliances sold in our store are 110-120V. ● Return policy for buyers outside the U.S.A - We offer to return the items within 30 days. The BUYER will ship the item at his own cost. 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