Durable field envelope
IP42 construction and a documented 2 m drop rating suit an electrician's tool bag.
Klein Tools
MM700 True-RMS Low-Impedance Multimeter
A discontinued 4,000-count electrician's TRMS meter with LoZ, CAT IV 600 V protection, 2 m drop rating and still-listed replacement fuses and leads.
- Score
- 7.3/10
- Est. life
- 10 yrs
- Cover
- 2 yrs
Last-known catalog price
$114.40
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Product Overview
Klein's MM700 is an automatically ranging True-RMS meter for electrical maintenance. It measures to 1000 V, 10 A, 40 MΩ, 4,000 µF, 500 kHz and 816°C, and its LoZ mode helps reject ghost voltage. The 4,000-count IP42 body is rated for a 2 m drop and CAT III 1000 V/CAT IV 600 V. The package originally...
$114.40
In Stock
Specifications
- OverviewBrand
- Klein Tools
- OverviewProduct category
- multimeters-and-electrical-testers
- OverviewExpected lifespan
- 10 years · We Buy It For Life editorial estimate
- Power / CompatibilityPower source
- 2 × AAA
- Warranty & ServiceWarranty
- 24 months · Warranty
Why We Love It
The features that make this product stand out from the competition.
Parts remain identifiable
Klein still lists exact replacement leads, 500 mA and 10 A fuses, thermocouple and case.
LoZ plus full ranges
True RMS, LoZ, temperature, current and frequency cover common building-service diagnostics.
Detailed Quality Score Breakdown
Core Performance
Primary Performance
8.9
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Feature Richness
7.6
Klein documents TRMS, LoZ, temperature, capacitance, frequency, duty cycle, bar graph and lead warning.
Build Quality
8.2
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Reliability Score
8.4
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Longevity
Durability Rating
8.1
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Wear Resistance
7.2
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Component Replaceability
5.0
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Design Timelessness
7.4
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Serviceability
Repairability
4.8
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Spare Parts Availability
6.0
The current legacy page still lists replacement parts 69028, 69034, 69035 and 69410.
Warranty Coverage
7.5
Klein's U.S. warranty table assigns two years to electrical test and measurement tools.
Service Network
7.4
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Value
Total Cost of Ownership
8.1
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Resale Value Retention
6.6
AI-assisted preliminary estimate pending editor review and durable-source evidence.
User Satisfaction
8.3
AI-assisted preliminary estimate pending editor review and durable-source evidence.
Total Cost of Ownership Calculator
The sticker price is just the beginning. Use this tool to estimate the true long-term cost of this product. Adjust the sliders based on your expected usage and care to see how the value holds up over time.
Buy box purchase price$114.40
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$9.47
Per Year
$94.66
Over 10 years
Calculation: (Purchase Price + Total Maintenance - Resale Value) ÷ Lifespan
Tracked price history
Observed US merchant prices in USD.
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Sign in to view price historyFrequently Asked Questions
What operating conditions and calibration interval does the MM700 manual specify?
The MM700 manual specifies operation from -10°C to 50°C, storage from -30°C to 60°C, relative humidity below 90% non-condensing, and altitude up to 2,000 m (6,562 ft). Its accuracy values are based on 18°C to 28°C, and the manual states that calibration is accurate for one year.
How should the MM700 be connected for current measurements?
To measure current, first remove power, open the circuit at the measurement point, connect the MM700 in series, and then reapply power. Use the appropriate current jack and do not exceed 10 A. For measurements above 6 A, the manual recommends no more than 30 seconds of measurement followed by 10 minutes of recovery time.
How is the MM700 temperature function used, and what is the included probe's limit?
Use the included K-type thermocouple with its adapter in the V/Ω and COM jacks, observing the polarity markings, then select the temperature function. The meter defaults to Fahrenheit; SEL switches to Celsius. The included thermocouple is suitable below 356°F (180°C); use a properly rated K-type probe for higher temperatures and remove the thermocouple before changing functions.
Does the MM700 turn off automatically?
Yes. The MM700's electrical specifications state that auto power-off occurs after approximately 30 minutes of inactivity. The manual also identifies an auto-power-off symbol on the LCD, so this behavior should be considered during longer measurement sessions.
What should be done when the MM700 low-battery indicator appears?
Replace the two AAA batteries when the low-battery indicator appears; the manual warns that continuing with depleted batteries can cause false readings. Before removing the battery/fuse door, disconnect the test leads from any voltage source, install the batteries with correct polarity, refit the door, and fasten its screw securely.
How should the MM700 be cleaned and stored?
Turn the MM700 off and wipe it with a clean, dry, lint-free cloth; the manual says not to use abrasive cleaners or solvents. For prolonged storage, remove the batteries and avoid high temperatures or humidity. If it has been stored outside the stated limits, allow it to return to normal operating conditions before use.
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