wwk3dwmcCzmsbuH1VUNf.jpeg Front view of Klein Tools CL800 clamp meter showing rotary dial, clamp, and labeled buttons for measuring voltage, current, and other parameters.
Side-by-side comparison of Klein Tools clamp meter readability in sunlight and indoors using transflective reverse contrast LCD screen
Close-up of Klein Tools CL810 clamp meter showing illuminated dial and display with multiple measurement settings for low-light visibility.
Hands using Klein Tools CL380 clamp meter on thick cables; image highlights large 1.4-inch jaw opening for heavy-duty electrical work.
Klein Tools clamp meter in use with built-in worklight illuminating a circuit panel; display reads 0.00 amps, indicating no current detected.
Person using clamp meter to measure current on a red wire inside an electrical panel; display shows 6.96 amps.
Person wearing safety gear using Klein Tools clamp meter to measure voltage in a circuit breaker panel; display reads 240.5 volts.
Close-up of Klein Tools clamp meter clamped around a black wire in an electrical panel; display reads 56.04 amps during diagnostics.
Person wearing safety gear using Klein Tools clamp meter to measure voltage in a circuit breaker panel; display reads 240.5 volts.
wwk3dwmcCzmsbuH1VUNf.jpeg Front view of Klein Tools CL800 clamp meter showing rotary dial, clamp, and labeled buttons for measuring voltage, current, and other parameters.
Side-by-side comparison of Klein Tools clamp meter readability in sunlight and indoors using transflective reverse contrast LCD screen
Close-up of Klein Tools CL810 clamp meter showing illuminated dial and display with multiple measurement settings for low-light visibility.
Hands using Klein Tools CL380 clamp meter on thick cables; image highlights large 1.4-inch jaw opening for heavy-duty electrical work.
Klein Tools clamp meter in use with built-in worklight illuminating a circuit panel; display reads 0.00 amps, indicating no current detected.
Person using clamp meter to measure current on a red wire inside an electrical panel; display shows 6.96 amps.
Person wearing safety gear using Klein Tools clamp meter to measure voltage in a circuit breaker panel; display reads 240.5 volts.
Close-up of Klein Tools clamp meter clamped around a black wire in an electrical panel; display reads 56.04 amps during diagnostics.
Person wearing safety gear using Klein Tools clamp meter to measure voltage in a circuit breaker panel; display reads 240.5 volts.
KLEIN TOOLS

Klein Tools Pro Digital Clamp Meter CL810 600A AC/DC Current 1000V Voltage True RMS Auto-Ranging NCVT LoZ Mode Temperature Flashlight Illuminated Dial

Only 3 left
SKU: CL810
$139.97
Description

Precision You Can See and Trust – Built for Electricians Who Work in Every Lighting Condition

The Klein Tools CL810 Pro Digital Clamp Meter is engineered for professionals who demand accuracy, visibility, and versatility in one rugged tool. With True RMS auto-ranging technology, this meter delivers precise readings across AC/DC current and voltage, resistance, continuity, frequency, inrush, capacitance, and temperature. The LoZ mode eliminates ghost voltages for more reliable diagnostics, while the NCVT jaw sensor provides escalating audio-visual alerts as you approach live voltage. Designed for low-light and high-glare environments, the transflective reverse-contrast display and illuminated dial ensure visibility from panel rooms to outdoor job sites. Whether you're troubleshooting HVAC systems, verifying load conditions, or testing micro-amps, the CL810 is your go-to clamp meter for every electrical challenge.

What's Included

  • (1) CL810 Pro Digital Clamp Meter
  • (1) Pair of Right-Angle Input Test Leads
  • (1) Thermocouple with Adapter
  • (1) Storage Pouch
  • (1) Instruction Manual
  • (3) AAA Batteries

Key Features

  • True RMS Accuracy: Auto-ranging precision across AC/DC voltage and current.
  • Wide Measurement Range: Handles 600A current, 1000V voltage, and temperatures up to 1832°F.
  • LoZ Mode: Eliminates ghost voltages for more accurate diagnostics.
  • NCVT Detection: Clamp jaw senses voltage with escalating audio-visual alerts.
  • Transflective Display: Reverse-contrast LCD readable in sunlight or darkness.
  • Illuminated Dial: Thumb-adjustable dial with built-in lighting for low-light use.
  • Built-in Worklight: Illuminates your workspace for safer, clearer testing.
  • Ergonomic Grip: Overmolded body with side-mounted lead holder and magnetic hanger compatibility.
  • Drop-Tested and IP40 Rated: Withstands 6.6 ft drops and resists dust intrusion.

Specifications

Type Pro Clamp Meter
Voltage Range 1000V AC/DC
Current Range 600A AC/DC
Temperature Range -40°F to 1832°F (-40°C to 1000°C)
Capacitance 6000µF
Resistance 60MΩ
Frequency 1Hz – 500kHz
Display 6000 Count Transflective LCD
Jaw Size 1.4 in (3.6 cm)
Drop Protection 6.6 ft (2 m)
Ingress Protection IP40
Power Source 3 x AAA Batteries
Dimensions (L × W × H) 9.06 in × 3.47 in × 1.65 in
Weight 13 oz (369 g)
Safety Rating CAT IV 600V, CAT III 1000V, CE, UKCA

Want to go hands-free while testing? Add the Klein Tools Magnetic Hanger Cat. No. 69417—perfect for suspending your meter from conduit, panels, or tool belts during active diagnostics.