Best Insulation Resistance Tester

Extech 380320 Analog Insulation Tester

Voltage Tester tests insulation resistance up to 4000MΩ at 125V, 250V, 500V, and 1000V DC.
Megohmmeter with test and lock buttons for simple insulation testing.
Warning alarm and high voltage icon for detection of voltage.
Measures up to 1000V AC/DC, resistance, and continuity.
Automatic ranging True Root Mean Square (TRMS) technology for increased accuracy.

Insulation tester for measuring insulation resistance and voltage.
Average-sensing meter provides accurate readings when measuring linear loads, where the current or voltage has a sinusoidal waveform.
Analog meter with manual range selection for flexibility of use.
Guard terminal to eliminate surface current leakage.
Safety rated to European Standard EN61010-1 Category II, 300V and Category I, 600V.

...ent lamp, which is less likely to damage sensitive circuits..
【Quality Made Tester Body】Professional automotive circuit tester with premium acetate fiber body, allows for more toughness and durability. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock..
【Extended PU Spring & Large Alligator Clip】High quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand operation, also for convenient use and storage..
【100% Quality Guarantee】If you are looking for a durable circuit testing tool, this one is for you. We always stand behind our products, click "Add to Cart" with confidence today..

The MM300 multimeter measures AC/DC voltage, DC current and resistance and has a safety rating of CAT III 600V, Class 2, Double insulation.
The NCVT-1 has a bright green LED to indicate the tester is working.
it changes to red and warning tones sound when voltage is detected.
NCVT-1 has a digitally-controlled ON/OFF power button and auto power-off feature to conserve and extend battery life.
Receptacle tester detects wiring configurations and indicates correct wiring, and identifies common wiring faults.
Identifies open ground, open hot, open neutral, hot/ground reversed.
it does not indicate quality of ground, multiple hot wires, or a combination of defects.

... lamp, which is less likely to damage sensitive circuits..
✔『Quality Made Tester Body』Professional automotive circuit tester with premium acetate fiber body, allows for more toughness and durability. Sharp stainless steel probe for piercing wires effortlessly, also for hard to reach tight areas. Along with insulation protective rubber tip to against electric shock..
✔『Extended PU Spring & Large Alligator Clip』High quality 140 inch long enough PU spring wire offers more flexibility, lighter and more durable than normal cable wires, heat-insulation and oil resistance for daily use. Attach with large size alligator clip for easy one hand operation, also for convenient use and storage..
✔『100% Quality Guarantee』 If you are looking for a durable circuit testing tool, this one is for you. Jastind always stand behind all of items with 100% product guarantee and satisfied customer support, just buy with confidence!.

It is an accurate, reliable insulation tester. Easy to use..
It has Strong anti-magnetic and anti-jamming function..
Dual Alarm: sound and light. When a shortcut resistance occurred the display returns to zero to prevent burning underground..
Full function protection, anti high voltage circuit design. High voltage and short alarm input..

... Circuit Tester Probe Made of Steel, Used for Threading, With A Large Alligator Clip for Convenient One-Handed Operation. Also, It Can Reach Tight Areas That Are Hard to Reach. ABS Body Provides Superior Durability Over Other Products, As It Is Shatter-Resistant. A Top-Of-The-Line 47-Inch PU Wire That Provides Heat Insulation, Wear Resistance, And Tensile Strength to Test Light for car..
【WIDE APPLICATIONS】: 3-24V Automotive Screwdriver Test Light, Widely Used Circuit Test, Excellent for Various Circuits on Automobiles, This Automotive Tester Can Also Be Used for Other 6-24V Circuit Test, Including Battery Test, Headlight Test, Brake Light Test, Fault Connections and Injector Signal Test..
【TESTER LIGHT BULB】: This LED test light circuit tester bulb has high visibility and long service life. It can indicate the state of the circuit. The brightness of the top 3W lamp can be changed with the measured voltage and can be replaced..
【BIDIRECTIONAL TESTING】: Alligator Clamps of Circuit Breaker Tester Can Be Connected to Either Negative or Positive Ground, With the Probe Touching the Other Side. During Positive Connection, The Red Led Will Be On, And During Negative Connection, The Green Led Will Be On..
【CUSTOMER SATISFACTION】: Please Let Us Kn....

Intelligent Chip: Ground resistance tester, controlled by intelligent microcontroller chip, with high reliability and high accuracy, multiple measurement methods, to achieve fast and accurate measurement results..
Digital Backlight LCD Display: It is equipped with a large screen LCD digital display with backlight, which is convenient for users to read the information on the LCD screen..
100 Sets Of Data Storage: It has a data storage function, which can store 100 sets of measurement data, and the data will not be lost when power off, which can facilitate users to query historical data..
Applicable Occasion: Suitable for measuring the grounding resistance of various power systems, electrical equipment, anti thunder protection equipment and other grounding systems, and also for grounding voltage measurement..
Safety Measurement: Double insulation or reinforced insulation safety structure can be used for precise three wire measurement or simple two wire measurement..