Klein Tools MM325 Multimeter, Digital Manual-Ranging 600V AC/DC Voltage Tester
Pros
- Tests voltage, current, resistance, diodes, continuity and batteries in one tool
- Built to withstand a 2m drop for rough site use
- Test leads with safety caps included
Cons
- Manual ranging is slower to use than an auto-ranging meter
Specifications
- Brand
- Klein Tools
- Price tier
- Mid-range
How it compares in Electrical Supplies
We list 38 electrical supplies products, priced from £3.37 to £217.00. At £48.55 this one is the 28th cheapest of them — 10 cost more. The average across the subcategory is £41.66 and the midpoint is £17.35, so it lands £6.89 above the average.
Its 4.6-star score sits 0.10 above the electrical supplies average of 4.50, with 6 of the 38 rated higher. Its 780 Amazon reviews make it the 15th most-reviewed here, against a subcategory average of 2,790.
Price position in Electrical Supplies
Splitting the subcategory into three price bands puts this product in the Premium band (£24.94–£190.00), which holds 11 of 35 products and averages £66.70 at 4.60 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| Budget | £3.62–£9.95 | 12 | £7.31 | 4.52 |
| Mid-range | £9.99–£24.46 | 12 | £15.84 | 4.53 |
| PremiumThis one | £24.94–£190.00 | 11 | £66.70 | 4.60 |
About this product
The Klein Tools MM325 Multimeter is a versatile tool designed for electricians, technicians, and anyone needing to accurately measure electrical parameters. This digital multimeter offers comprehensive functionality including AC/DC voltage up to 600V, current measurement up to 10A, resistance testing, continuity checks, diode tests, and battery testing – all in one unit. It’s a robust instrument built for use in residential, business, and light-industrial environments where electrical assessments are required.
This manual-ranging multimeter features an LCD backlit display ensuring clear readings even in low-light conditions. The integrated LED indicators provide valuable Lead-Alert Protection, guiding you to correct test lead placement for optimal accuracy and enhanced safety during measurements. It comes complete with test leads featuring CAT III/CAT IV safety caps, along with instructions and two AAA batteries.
Designed for durability, the MM325 can withstand a 6.6 Foot (2 m) drop, making it suitable for use in more demanding conditions. The convenient design incorporates test lead holders on the back of the meter and a kickstand for stable operation. Optional magnetic hanger accessories (Cat. Nos. 69445 or 69417) are available to facilitate hands-free operation.
The MM325 is supplied in an orange and black colour scheme with dimensions of 23.7 x 12.9 x 9.7 centimetres and weighs approximately 0.87 pounds. It’s a useful tool for diagnosing electrical issues, and includes components such as a multimeter, voltage tester, safety caps, instructions and batteries.
Related attributes
Power
FAQ
What can I use the Klein Tools MM325 multimeter for?
This multimeter is designed for general electrical testing and troubleshooting in residential, commercial, and light-industrial environments. It’s suitable for measuring voltage, current, resistance, continuity, diodes, and battery status on various electrical devices and components.
What are the dimensions of this multimeter?
The Klein Tools MM325 has a size of 23.7 x 12.9 x 9.7 centimetres, making it compact enough for use in tight spaces while still providing a clear display.
What materials is the multimeter constructed from?
The multimeter features a durable construction with an orange and black colour scheme, utilising robust plastic components to withstand typical usage conditions.
Does this multimeter require batteries, and what type are they?
Yes, the MM325 operates on battery power. It comes supplied with two AAA batteries which are essential for its functionality.
What safety features does it have?
The meter incorporates Lead-Alert Protection LEDs to guide test lead placement and a CAT III/CAT IV safety rating, ensuring safe operation when testing electrical systems up to 600V.
How does this compare to other multimeters in the same price range?
While some alternatives may offer auto-ranging functionality, the MM325 provides manual ranging, offering greater control and potentially more precise measurements for experienced users. Its robust build quality also positions it competitively.
What maintenance does this multimeter require?
Cleaning the display with a soft, dry cloth is recommended to maintain optimal visibility. Avoid using harsh chemicals or solvents on the instrument's housing.
Can I drop this multimeter and have it still work?
The MM325 is designed to withstand a 6.6-foot (2m) drop, making it suitable for use in environments where accidental impacts might occur during basic electrical testing.
What accessories are included with the purchase?
The package includes test leads with CAT III/CAT IV safety caps and two AAA batteries, providing everything needed to begin using the multimeter immediately.
What is the maximum voltage this multimeter can measure?
This multimeter is capable of measuring AC/DC voltage up to 600V.
£48.55
Check price on Amazon →