Buy 2 get 3 Extech 380460 Precision 110VAC Milliohm Meter
Review Extech 380460 Precision 110VAC Milliohm Meter
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| Brand | Extech |
| Power Source | Manual |
| Style | 380460 |
| Item Weight | 0.69 Kilograms |
- Portable Milliohm meter provides resolution to 100 µOhm
- High accuracy and performance for low resistance measurements
- Large 0.7-Inch (18mm) LCD 1999 count
- 4-wire cables with Kelvin clip connectors
- Manual zero display adjust
Product Description
110V Precision Milliohm Meter
Compact and precise, the Extech 380460 Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the unit's large 0.7-inch 1999 count LCD.
Other Features
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.
What is a MilliOhm?
The units of measure for resistances less than 1 Ohm (Ω) are Milli- (mΩ) and Micro-(μΩ)Ohms. One MilliOhm (1mΩ) is equal to one thousandth of an ohm (0.001). One MicroOhm (1μΩ) is equal to one millionth of an ohm (0.000001). For example, 0.5 ohms (one half an ohm) is equal to 500mΩ.
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
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.
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).
380560 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 110VAC and comes complete with 4-wire cables with Kelvin clip connectors.
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.
Product Specifications
Specification for this product family
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