Klein Tools Digital Multimeter, Auto-Ranging, 600V MM400
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Klein Tools Digital Multimeter, Auto-Ranging, 600V MM400
- Multimeter measures up to 600V AC/DC voltage, 10A AC/DC current and 40 M resistance
- Electrical tester measures temperature, capacitance, frequency, duty-cycle, and test diodes and continuity
- CAT III 600V safety rating
- Built to withstand a 3.3-foot (1 m) drop and withstand daily wear and tear on the job site
- Low battery indicator and easily accessible battery compartment
Klein Tools Digital Multimeter, Auto-Ranging, 600V
Technical Details
| Manufacturer | Klein Tools |
|---|---|
| Part Number | MM400 |
| Product Dimensions | 4.52 x 7.8 x 15.24 cm; 232.47 Grams |
| Item Model Number | MM400 |
| Batteries | 2 AAA batteries required. |
| Is Discontinued By Manufacturer | No |
| Size | Auto Ranging/Temperature, Capacitance, Frequency |
| Colour | Orange |
| Style | Auto Ranging/Temp, Cap, Freq |
| Material | Plastic |
| Pattern | Multimeter |
| Power Source | AC/DC |
| Voltage | 600 Volts |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement Accuracy | 98% |
| Display Style | 4000 Count LCD |
| Included Components | Test Leads, Batteries, Thermocouple, and User Manual |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| Description Pile | 2 x AAA |
| Item Weight | 232 g |
From the manufacturer



About Klein Tools
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day Since 1857.
Digital Multimeter, Auto-Ranging, 600V
Klein Tools MM400 is an auto-ranging multimeter that measures AC/DC voltage, AC/DC current, and resistance. It can also measure temperature, capacitance, frequency, duty-cycle, and test diodes and continuity. Klein Tools’ Test and Measurement product line was exclusively designed from the ground up by electricians for electricians.
- Measures up to 600V AC/DC voltage, 10A AC/DC current and 40 MΩ resistance
- Measures temperature, capacitance, frequency, duty-cycle, and test diodes and continuity
- CAT III 600V safety rating
- Built to withstand a 3.3-foot (1 m) drop and withstand daily wear and tear on the job site
- Low battery indicator and easily accessible battery compartment
- For use in basic and controlled electromagnetic environments such as residential, business and light-industrial locations
- Includes test leads, thermocouple with adapter and batteries
Features
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| Measures up to 600V AC/DC voltage, 10A AC/DC current and 40 MΩ resistance. | Measures temperature, capacitance, frequency, duty-cycle, and test diodes and continuity. | CAT III 600V safety rating. | Built to withstand a 3.3-foot (1 m) drop and withstand daily wear and tear on the job site. |
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Style Auto Ranging/Temp, Cap, Freq Power Source AC/DC Pattern Multimeter Battery Cell Type Alkaline Batteries Included? No Batteries Required? No Product Dimensions 4.52 x 7.8 x 15.24 cm; 232.47 Grams Material Plastic Description Pile 2 x AAA Is Discontinued By Manufacturer No Manufacturer Klein Tools Item Model Number MM400 Item Package Quantity 1 Display Style 4000 Count LCD Colour Orange Number Of Pieces 1 Item Weight 232 g Part Number MM400 Batteries 2 AAA batteries required. Voltage 600 Volts Measurement Accuracy 98% Included Components Test Leads, Batteries, Thermocouple, and User Manual Size Auto Ranging/Temperature, Capacitance, Frequency MPN TYPE BRAND
Shipping
- Our standard shipping service throughout Australia is FREE.
- Your order will be shipped within the timeframe given in the listing upon full payment received.
- We do NOT ship to a PO BOX address so please provide valid Residential or Business address while placing the order. We reserve the right to cancel any order placed with a PO BOX address.
- We are not responsible for undeliverable addresses.
Returns and payment
- We offer a 30 days return policy and the item must be in the original condition to receive a full refund.
- We accept VISA, MASTERCARD, PayPal, Google Pay, Afterpay as a mode of payment. Please select your relevant mode while doing the checkout.

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Shipping & Delivery
At SecretGreen, we aim to deliver your order as quickly and safely as possible.
Domestic Shipping :
Orders are typically delivered within 3–6 business days.
International Shipping:
Estimated delivery time is 12–26 business days, depending on the destination and customs processing.
You will receive a tracking number once your order has been dispatched. Delivery times may vary during holidays or due to unforeseen delays.















