Best Klein Tools Mm400 in 2025
Updated on July 2025
#1
Recommended
8% Off
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- Measures AC/DC voltage up to 600V and resistance up to 40MOhms; includes continuity and test modes for batteries and receptacles
- Identifies wiring issues with receptacle test mode for improved electrical safety
- Displays trip time for GFCI devices to facilitate troubleshooting
- Tests 9V and 1.5V batteries; find mode identifies circuit breakers
- Backlit LCD for visibility in low-light conditions
- Includes carrying case, test leads with safety caps, receptacle test cord, and 2 AAA batteries
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- Measures AC/DC voltage up to 600V and resistance up to 40MOhms; includes continuity and test modes for batteries and receptacles
- Identifies wiring issues with receptacle test mode for improved electrical safety
- Displays trip time for GFCI devices to facilitate troubleshooting
- Tests 9V and 1.5V batteries; find mode identifies circuit breakers
- Backlit LCD for visibility in low-light conditions
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#2
Value for Money
11% Off
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- Measures AC/DC voltage up to 600V, DC current up to 10A, and resistance up to 2MOhms
- Features visual and audible indicators for continuity testing
- Non-contact voltage tester detects voltage with visual and audible alerts
- Identifies high voltage from 50 to 1000 VAC with LED and sound alerts
- Tests wiring configurations and detects common faults
- Includes test leads for the multimeter and batteries for voltage tester
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- Measures AC/DC voltage up to 600V, DC current up to 10A, and resistance up to 2MOhms
- Features visual and audible indicators for continuity testing
- Non-contact voltage tester detects voltage with visual and audible alerts
- Identifies high voltage from 50 to 1000 VAC with LED and sound alerts
- Tests wiring configurations and detects common faults
- Includes test leads for the multimeter and batteries for voltage tester
#3
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- Measures AC/DC voltage up to 600V, 10A DC current, and 2MΩ resistance; includes functions for continuity, diode, and battery testing
- LED indicators on the meter enhance measurement accuracy by signaling proper lead placement
- Backlit LCD display allows for easy reading in low-light environments
- Durable design withstands drops from up to 6.6 feet, suitable for various settings
- Includes convenient test lead holders and a kickstand for hands-free use
- Complete package with test leads, safety caps, instructions, and 2 AAA batteries
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- Measures AC/DC voltage up to 600V, 10A DC current, and 2MΩ resistance; includes functions for continuity, diode, and battery testing
- LED indicators on the meter enhance measurement accuracy by signaling proper lead placement
- Backlit LCD display allows for easy reading in low-light environments
- Durable design withstands drops from up to 6.6 feet, suitable for various settings
- Includes convenient test lead holders and a kickstand for hands-free use
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#4
18% Off
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- Measures up to 600V AC/DC voltage, 10A DC current, and 2 ohm resistance
- Tests batteries, diodes, and continuity for diverse functionality
- Voltage detection from 12 to 1000V AC; accommodates a wide range of applications
- Built-in flashlight provides visibility for work areas
- Tests AC voltages from 28V to 240V AC and DC voltages from 32V to 330V
- Identifies common wiring issues for safe electrical installations
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- Measures up to 600V AC/DC voltage, 10A DC current, and 2 ohm resistance
- Tests batteries, diodes, and continuity for diverse functionality
- Voltage detection from 12 to 1000V AC; accommodates a wide range of applications
- Built-in flashlight provides visibility for work areas
- Tests AC voltages from 28V to 240V AC and DC voltages from 32V to 330V
- Identifies common wiring issues for safe electrical installations
#5
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- Measures AC/DC voltage (up to 1000V), current (10A), and resistance (60MΩ) with additional functions like continuity and temperature
- Low Impedance (LoZ) mode helps detect stray voltages
- High-visibility reverse-contrast LCD display for improved visibility
- Auto-ranging and True Root Mean Squared (TRMS) technology for precise measurements
- Rugged design meets CAT IV 600V and IP42 ratings, suitable for various professional environments
- Includes test leads, carrying case, thermocouple, user manual, and two AAA batteries
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- Measures AC/DC voltage (up to 1000V), current (10A), and resistance (60MΩ) with additional functions like continuity and temperature
- Low Impedance (LoZ) mode helps detect stray voltages
- High-visibility reverse-contrast LCD display for improved visibility
- Auto-ranging and True Root Mean Squared (TRMS) technology for precise measurements
- Rugged design meets CAT IV 600V and IP42 ratings, suitable for various professional environments
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#6
11% Off
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- High-quality EVA construction provides shockproof, waterproof, and tear-resistant protection for tools.
- Dimensions: 7.4 x 4.1 x 2.9 inches; compatible with Klein MM325/MM400/MM300/ET140/80023P and Fluke 117/115 multimeters.
- Offers superior protection against accidental damage and wear during transport and storage.
- Features a built-in mesh pocket for accessories and a wide handle for comfortable carrying.
- Durable EVA hard case ideal for maintaining multimeter condition while traveling or in storage.
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- High-quality EVA construction provides shockproof, waterproof, and tear-resistant protection for tools.
- Dimensions: 7.4 x 4.1 x 2.9 inches; compatible with Klein MM325/MM400/MM300/ET140/80023P and Fluke 117/115 multimeters.
- Offers superior protection against accidental damage and wear during transport and storage.
- Features a built-in mesh pocket for accessories and a wide handle for comfortable carrying.
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#7
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- Combination hard case and Magnetic Hanger Strap designed for electricians, allowing hands-free work and convenient storage. Multimeter not included.
- Compatible with Klein Tools MM400, MM325, MM300, MM200, ET140, and MM720 digital multimeters. Only the case is included, not the multimeter or accessories.
- Magnetic Multimeter Hanging Loop Strap allows hanging on various metal surfaces, freeing up hands for more efficient work.
- Features a soft rubber coating wrapped around a strong magnet for secure attachment to metal objects, preventing falls.
- Includes 1 Magnetic Multimeter Hanger Strap, 1 Carrying Case (External size: 7.5*4.3*2.5 inches, Internal size: 7.4*4.2*2.4 inches), and 1 Cleaning Cloth. Compatible with Klein Tools Model 69417.
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- Combination hard case and Magnetic Hanger Strap designed for electricians, allowing hands-free work and convenient storage. Multimeter not included.
- Compatible with Klein Tools MM400, MM325, MM300, MM200, ET140, and MM720 digital multimeters. Only the case is included, not the multimeter or accessories.
- Magnetic Multimeter Hanging Loop Strap allows hanging on various metal surfaces, freeing up hands for more efficient work.
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#8
14% Off
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- Measures AC/DC Current, Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity, and Temperature.
- Features Data Hold, a large backlit LCD screen, auto shut-off, and a kickstand for ease of use; includes Auto-Ranging and True RMS capabilities.
- Ideal for troubleshooting automotive and household electrical issues accurately and safely.
- Equipped with double ceramic fuses for protection against overloads; includes F400mA/600V and F10A/600V explosion-proof fuses.
- Remove the cap from test leads before use; refer to the manual for additional guidance.
- California-based technical support available for inquiries, with a response time of under 24 hours.
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- Measures AC/DC Current, Voltage, Capacitance, Frequency, Duty Cycle, Resistance, Diode, Continuity, and Temperature.
- Features Data Hold, a large backlit LCD screen, auto shut-off, and a kickstand for ease of use; includes Auto-Ranging and True RMS capabilities.
- Ideal for troubleshooting automotive and household electrical issues accurately and safely.
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#9
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- Sturdy and shockproof case designed for Klein Tools MM325/MM300/69149P/MM400/69355, ensuring protection against accidental drops.
- Compact design allows for easy storage in backpacks or suitcases, keeping your device safe from damage.
- Inner lining made of high-quality velvet material to protect the multimeter tester, with a comfortable handle for portability.
- Durable travel case that safeguards the electrical meter tester under various conditions.
- Case sold separately; only compatible with MM325/MM300/69149P/MM400/69355 Electrical Test Kit.
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- Sturdy and shockproof case designed for Klein Tools MM325/MM300/69149P/MM400/69355, ensuring protection against accidental drops.
- Compact design allows for easy storage in backpacks or suitcases, keeping your device safe from damage.
- Inner lining made of high-quality velvet material to protect the multimeter tester, with a comfortable handle for portability.
- Durable travel case that safeguards the electrical meter tester under various conditions.
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#10
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- Multimeter measures AC/DC voltage up to 600V, DC current up to 10A, and resistance up to 2MΩ
- Durable design withstands drops from 3.3 feet and everyday job site use
- Ideal for basic and controlled electromagnetic environments, including residential and light-industrial
- Certified with CAT III 600V safety rating
- Includes low battery indicator and accessible battery compartment
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- Multimeter measures AC/DC voltage up to 600V, DC current up to 10A, and resistance up to 2MΩ
- Durable design withstands drops from 3.3 feet and everyday job site use
- Ideal for basic and controlled electromagnetic environments, including residential and light-industrial
- Certified with CAT III 600V safety rating
- Includes low battery indicator and accessible battery compartment
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