





Klein Tools HVAC Digital Clamp Meter - 400 Amp AC Auto-Ranging
- Auto-ranging measurement for AC, AC/DC, DC mA currents & more
- Backlit digital
- Great for outlet diagnostics
- Durable and easy to use
- Batteries Included?: No
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Description
Klein Tools HVAC Digital Clamp Meter
400 Amp AC Auto-Ranging
This automatically ranging true root mean square (TRMS) digital clamp meter is ideal for HVAC work in residential and light-industrial zones (meets requirements for controlled electromatic environments). Use the clamp for AC currents, or the included test-leads for measuring AC/DC voltage, DC microamps, resistance, continuity, frequency, capacitance, and test diodes. A thermocouple probe is also available for measuring temperature.
A diode-test function helps you troubleshoot malfunctioning diodes, while the min/max feature can be utilized to understand the variability from average of an electrical property being measured.
Proudly Made in the U.S.A. ![]()
- Notable Features
- » Automatically ranging true mean squared (TRMS) technology for accuracy
- » Measure AC currents with extended clamp
- » Included test leads for measuring AC/DC, DC microamps, resistance, continuity, frequency, capacitance, and test diodes
- » Thermocouple probe for measures temperature
- » CAT III 600V, Class 2, Double insulation safety rating
- » Backlit 4000 count liquid crystal display (LCD) for clear readings
- » Automatically powers off after 15 minutes for battery preservation
- » Runs on 3 x AAA (included); monitor with low battery indicator
Item Details
| Brand | Klein Tools |
| SKU | KLEIN-TOOLS-CL320 |
| UPC | 092644692864 |
| Color | Orange |
| Length | 8.7 in (221 mm) |
Specifications
Power Details
| Batteries Included? | No |
Unit Dimensions
| Length | 8.7 in (221 mm) |
| Width | 3.02 in (77 mm) |
| Height | 1.61 in (41 mm) |
| Weight | 10.1 oz (286 g) |
Packaging/Shipping Dimensions
| Length | 0 in |
| Width | 0 in |
| Height | 0 in |
| Shipping Weight | 0.631 lb |
Additional Details
| Warranty |
Klein Tools Commercial and Industrial Products Warranty Battery Junction Warranty |
| Return Policy | Return Policy |
Bright Buys
- Trusted and reliable; consistently rated as a top customer pick for LED flashlights
- Superior 1,600mAh capacity means longer runtimes and less frequent battery changes
- Optimized for both high and low drain devices
- State-of-the-art automated production lines ensure the highest quality and safety protections
- Ideal for low-drain applications that require a primary battery to provide constant power
- 10-year shelf life - stock up for emergencies!
- The best choice for consistent power, great in low-drain devices like remotes
- Safe and reliable - capable of performing in high or low temperatures
- 225mAh capacity drives long runtimes for watches and electronics
- CR2032 coin cells packed with 3V of power
- Convenient 6-piece retail card provides backup batteries
- Easily replaceable primary lithium cells
- Top recommended battery for Apple AirTags
- 11-in-1 card sized tool fits in your wallet or on a keychain!
- Packed with handy tools including a screwdriver & 7 wrench settings
- Serrated saw and straight-edge knife for quick cutting jobs
- Can + bottle openers for campsite meals or end-of-shift relaxation
- Independent 4-slot charging for different batteries
- Touch screen control provides user-friendly operation
- 4 working modes for charging, testing batteries, and more
- Compatible with Li-ion, Ni-Cd, & NiMH batteries
- Quick Charge 3.0 technology enables fast and efficient device charging
- USB compatibility supports a wide range of electronic devices
- Compact adapter design makes it ideal for travel and everyday use
- Intelligent charging management helps optimize power delivery
- Universal cable to consolidate chargers for work, home, or EDC use
- USB-C, Micro-USB, and Lightning plugs for various electronics
- USB-C input with USB-A adapter for use with any USB power source
- 3.93ft long cord, allowing you to use your phone during recharging!
- Premium materials for durability and fast charge speeds
- Fits flashlights w/ diameter of 24-32mm & length of 130mm-170mm
- Great for EDCs, tactical lights, slim lights, & more!
- Durable and flexible nylon material keeps lights secure
- 33g weight won't drag you down!
- Portable powerhouse - emits a 1148ft beam from a 3.4in light!
- Strobe and SOS modes accessible for emergencies
- Dual-fuel power - swap in a CR123A when needed
- Strong magnetic tailcap for hands-free repair jobs
- USB-C port offers seamless recharging from anywhere!
- 3,000 lumens and a 250-meter throw - fierce illumination to light up your backyard
- Multiple output modes are accessible via easy side switch operation
- Strobe, SOS, and beacon modes offer distinct signaling capability
- High-capacity battery supports the light with a maximum 227-hour runtime


