# Fluke 323 True-RMS Clamp Meter vs Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ): specs and price compared

A sourced, side-by-side comparison of the Fluke 323 True-RMS Clamp Meter (Fluke) and Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) (Klein Tools) among clamp meters. Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) is the cheaper of the two at $152.54.

## Side by side

| Spec | Fluke 323 True-RMS Clamp Meter | Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) |
| --- | --- | --- |
| US price | $207.99 | $152.54 |
| Brand | Fluke | Klein Tools |
| Ac current range | 400.0 A, 2.0% ±5 digits (45-65 Hz) / 2.5% ±5 digits (65-400 Hz) | 600 A |
| Dc current range | — | 600 A |
| Jaw opening | 30 mm (600 MCM) | 1.38 in (3.5 cm) |
| Ac dc voltage range | 600.0 V AC (1.5% accuracy) / 600.0 V DC (1.0% accuracy) | 1000 V AC/DC |
| True rms | Yes | Yes |
| Resistance continuity | 400.0/4000 Ω, 1.0% accuracy; continuity beeper ≤70 Ω | 60 MΩ max, with continuity |
| Capacitance | — | 6000 µF |
| Temperature | — | -14°F to 1000°F (-26°C to 538°C), via included thermocouple |
| Cat safety rating | CAT III 600V / CAT IV 300V | CAT IV 600V / CAT III 1000V |
| Display count | — | 6000 |

## Key differences

- Ac current range: Fluke 323 True-RMS Clamp Meter 400.0 A, 2.0% ±5 digits (45-65 Hz) / 2.5% ±5 digits (65-400 Hz) vs Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 600 A
- Jaw opening: Fluke 323 True-RMS Clamp Meter 30 mm (600 MCM) vs Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 1.38 in (3.5 cm)
- Ac dc voltage range: Fluke 323 True-RMS Clamp Meter 600.0 V AC (1.5% accuracy) / 600.0 V DC (1.0% accuracy) vs Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 1000 V AC/DC
- Resistance continuity: Fluke 323 True-RMS Clamp Meter 400.0/4000 Ω, 1.0% accuracy; continuity beeper ≤70 Ω vs Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 60 MΩ max, with continuity
- Cat safety rating: Fluke 323 True-RMS Clamp Meter CAT III 600V / CAT IV 300V vs Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) CAT IV 600V / CAT III 1000V

## Sources

- Fluke 323 True-RMS Clamp Meter: https://www.fluke.com/en-us/product/electrical-testing/clamp-meters/fluke-323 (fluke.com, verified 2026-08-05)
- Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ): https://www.digikey.com/en/products/detail/klein-tools-inc/CL800/6597092 (digikey.com, verified 2026-08-05)

Canonical: https://frontdeskreview.com/gear/clamp-meters/fluke-323-vs-klein-tools-cl800/
Cite: Per The Front Desk Review, Fluke 323 True-RMS Clamp Meter ($207.99) vs Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) ($152.54) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/clamp-meters/fluke-323-vs-klein-tools-cl800/
License: CC BY 4.0.