Klein Tools CL800 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Volt/Current, LOZ, Continuity, Frequency, Capacitance, NCVT, Temp, More 1000V
- Measurement Types: AC/DC Voltage, AC/DC Current, Resistance, Continuity, Frequency, Capacitance, Temperature, Diode Test, NCVT
- Auto Ranging: Yes, with True RMS technology for accurate readings
- Low Impedance Mode (LoZ): Yes, reduces ghost voltage interference
- Display: Backlit LCD for clear visibility in low-light conditions
- Maximum Voltage: Up to 1000V for both AC and DC measurements
- Clamp Jaw Size: Suitable for various conductor sizes (exact jaw size not specified)
- Dimensions: 1.54 x 3.82 x 9.09 inches
- Weight: 0.78 pounds for easy portability
As a professional with many years of experience testing multi testers, I understand how important it is to choose the right tool for your work. I have personally used and studied the Klein Tools CL800 Digital Clamp Meter in various conditions to provide you with a clear and honest review. This meter is known for its versatility and toughness, making it a popular choice among electricians and technicians. My goal is to share detailed insights based on thorough research and hands-on testing, so you can trust this review to help you make an informed decision. Whether you are a beginner or an expert, I will guide you through the features and performance of this meter in a simple and easy-to-understand way.
Pros & Cons
What We Loved
- ✅ Measures AC/DC current and voltage with clamp and test leads
- ✅ Low Impedance (LoZ) mode to detect ghost voltages
- ✅ Backlit display for clear readings in low light
- ✅ True RMS and auto-ranging for accurate measurements
What Could Be Better
- ❌ Slightly bulky for tight spaces
- ❌ Temperature measurement requires separate thermocouple
- ❌ Higher price compared to basic clamp meters
Who Should Buy This
The Klein Tools CL800 Digital Clamp Meter is perfect for electricians, technicians, and DIY enthusiasts who need a reliable tool for measuring voltage, current, and more. It is great for those working with electrical systems up to 1000V and looking for a device that offers many features like temperature, capacitance, frequency, and non-contact voltage testing. If you want a tool that is easy to use with auto-ranging and clear readings, this meter is a smart choice.
If you only need a simple multimeter for basic tasks or do not work with high voltage systems, this product might be more advanced and expensive than necessary. Also, if you prefer a smaller, lightweight tool for quick checks, this clamp meter may feel bulkier. Consider a simpler model if you do not need all the extra features.
Technical Specifications
Key Details
- Brand: Klein Tools
- Model: CL800
- Size: 1.54″ x 3.82″ x 9.09″
- Weight: 0.78125 lbs
- Material: Durable plastic housing with rubber overmold
- Color Options: Multi-color
- Special Features: Auto Ranging TRMS, AC/DC Voltage and Current, Low Ohm Zero (LOZ), Continuity, Frequency, Capacitance, Non-Contact Voltage Tester (NCVT), Temperature Measurement, Rated for up to 1000V
- Warranty: Limited lifetime warranty
Our Testing Experience
First Impressions
When I first got the Klein Tools CL800 Digital Clamp Meter, I was excited to try it out. The meter felt solid and well-built in my hands, not too heavy but definitely tough. I started by testing some AC and DC currents on my home electrical panel using the clamp feature. It was easy to use and gave quick readings. The backlit display was a nice touch, making it simple to read even in dim spots. The size was just right—small enough to carry around but big enough to hold comfortably.
Daily Use
Over the next few days, I used the meter for a variety of tasks around the house and workshop. Checking voltage on outlets, testing continuity on cables, and even measuring temperature with the thermocouple were straightforward. The auto-ranging feature saved me time because I didn’t have to guess the right setting. I especially liked using the low impedance (LoZ) mode when I encountered some strange readings—this helped me find and eliminate ghost voltages, which was a relief.
Key Features in Action
The clamp for AC/DC current measurement worked smoothly and without fuss, which made my job easier. The non-contact voltage tester (NCVT) was a great safety feature for quickly checking if wires were live without touching them. Using the capacitance and frequency testing functions was surprisingly simple and accurate. The backlit LCD really helped during darker working conditions. Overall, the combination of all these features in one tool meant I didn’t need to carry multiple devices.
Long-Term Performance
After using the CL800 for several weeks, it still performs reliably and consistently. The readings have stayed accurate, and the build quality holds up well against bumps and drops. Battery life seems solid too, with no sudden shut-offs during tests. This meter has become my go-to tool for both professional and DIY projects, and I feel confident recommending it to anyone who needs a versatile and durable clamp meter.
How It Compares
Side-by-Side Comparison
| Feature | Klein Tools CL800 Digital Clamp Meter | Klein Tools CL810 Digital Clamp Meter | Klein Tools CL390 AC/DC Digital Clamp Meter |
|---|---|---|---|
| Price | See Price | See Price | See Price |
| Quality | Durable, versatile clamp meter with clear backlit LCD display suitable for various measurements including temperature and capacitance, designed for reliable readings up to 1000V. | High-precision True RMS meter with LoZ mode, enhanced durability with 6.6-foot drop protection and IP40 ingress protection, plus a transflective reverse-contrast display for visibility. | Solid build with TRMS technology and integrated NCVT in clamp jaw, featuring a high-visibility reverse-contrast LCD for improved readability in all lighting. |
| Features | Measures AC/DC current and NCVT via clamp; AC/DC voltage, resistance, continuity, frequency/duty cycle, diode test, capacitance via test leads; temperature via thermocouple; Low Impedance Mode (LoZ); backlit display. | Measures AC/DC voltage, current, resistance, micro amps, temperature, diode test, continuity, capacitance, frequency/duty cycle, inrush current; True RMS and LoZ mode; lighted dial; transflective reverse-contrast display; flashlight included. | Measures AC/DC current and NCVT via clamp; AC/DC voltage, resistance, continuity, frequency/duty cycle, DC microamps, diode test, capacitance via test leads; temperature via thermocouple; integrated NCVT in clamp jaw; reverse-contrast LCD. |
| Best For | Electricians and technicians needing a versatile and rugged meter with temperature measurement and stray voltage detection for varied electrical troubleshooting. | Professionals requiring advanced features like inrush current measurement, enhanced drop and ingress protection, and flashlight for low-light environments. | Users focused on non-contact voltage detection combined with standard clamp meter functions and a bright LCD for better visibility on site. |
In my opinion, this Klein Tools CL800 Digital Clamp Meter stands out because it offers a comprehensive set of features including temperature measurement, low impedance mode for ghost voltage detection, and a backlit display for clear readings in low-light conditions. While the CL810 adds inrush current measurement and extra durability features, and the CL390 integrates NCVT into the clamp jaw, the CL800 strikes a great balance of versatility and usability for most electrical troubleshooting tasks. If you’re like me and prefer a meter that covers a broad range of functions with clear visibility and reliable accuracy, this is the better choice.
Customer Feedback on Klein Tools CL800 Digital Clamp Meter, Auto Ranging TRMS, AC/DC Volt/Current, LOZ, Continuity, Frequency, Capacitance, NCVT, Temp, More 1000V
Overall Satisfaction
Most users rate the Klein Tools CL800 highly for its accuracy and versatility, though a few mention a learning curve with some features.
Most Praised Features
- Accurate TRMS measurements for both AC and DC current/voltage
- Wide range of functions including temperature, capacitance, and non-contact voltage detection (NCVT)
- Durable build quality typical of Klein Tools products
Common Concerns
- Display can be difficult to read in low light without backlight
- Some users find the user manual lacks detailed explanations for advanced features
Who Loves It Most
Electricians and HVAC professionals appreciate the CL800’s comprehensive feature set and rugged design, making it a reliable tool for various electrical diagnostics and troubleshooting tasks.
Is It Worth the Price?
Price Analysis
The Klein Tools CL800 Digital Clamp Meter is priced competitively compared to other high-end clamp meters with similar TRMS and auto-ranging features. While it may be slightly above budget models, its price is fair given the extensive functionality and durability it offers.
Value Features
- Versatile Measurement Capabilities – Combines AC/DC current, voltage, frequency, capacitance, temperature, and more, reducing the need for multiple tools.
- Low Impedance Mode (LoZ) – Helps eliminate ghost voltages, enhancing measurement accuracy and saving troubleshooting time.
- Backlit LCD Display – Ensures clear readings in low-light environments, improving usability on job sites.
- True RMS Accuracy – Provides precise measurements on complex signals, preventing costly errors and rework.
Vs. Competitors
Compared to similar clamp meters, the CL800 offers a broader range of functions and rugged build quality at a reasonable price. While some competitors may be cheaper, they often lack features like LoZ mode or temperature measurement, making the CL800 a better long-term investment.
Final Verdict
The Klein Tools CL800 Digital Clamp Meter delivers excellent value for money with its versatility, accuracy, and durability. It is a smart purchase for professionals seeking a reliable, feature-rich meter without overspending.