⚡ Stay powered, stay precise — test like a pro with Klein Tools ET40!
The Klein Tools ET40 Digital Voltage Tester offers precise AC/DC voltage measurement from 12-240V AC and 1.5-24V DC with bright LED indicators for voltage level and polarity. Built tough with CATIII 250V double insulation and drop resistance up to 3 meters, it ensures safety and durability on any job site. Featuring auto power-off to save battery and ergonomic design with test lead holders, it’s the essential tool for professionals demanding accuracy and reliability.
Manufacturer | Klein Tools |
Part number | ET40 |
Item Weight | 65.1 g |
Product Dimensions | 13.31 x 3.86 x 2.82 cm; 65.2 g |
Batteries | 2 AAA batteries required. (included) |
Item model number | ET40 |
Size | One Size |
Color | orange |
Style | 12/240 V |
Finish | Brushed |
Material | Plastic Housing, PCB with Electronic Components |
Pattern | Solid |
Shape | Rectangular |
Power source type | Battery Powered |
Item Package Quantity | 1 |
Display Style | Analog LED |
Specification met | CE |
Special Features | DC Polarity Indicators for DC Positive, DC Negative, and Both Illuminated for AC. Tests Low DC Voltage to 1.5V. Built in Test Lead Holders on Sides of Tester. |
Included components | No|Tester, User Manual, and 2 x AAA Batteries |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
tech_spec_battery_description_toys | 2 x AAA |
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