Here’s a detailed look at the Fluke 336 True RMS Clamp Meter — what it does, key specs, pros/cons, and things to verify if you’re buying one.
It’s a clamp meter (so you can measure current by clamping around a conductor) that also measures voltage, resistance, etc. OmniControls
The “True RMS” part means it measures AC current more accurately even when the waveform is not purely sinusoidal (important if you have non-linear loads) Avalon Test+1
Designed for both AC and DC current (on this model: up to ~600 A) and up to ~600V AC/DC for voltage. OmniControls+1
It has a back-lit large display, “Display Hold” feature, ergonomic clamp and switch layout to facilitate single-hand operation in tighter spaces. OmniControls+1
Here are some of the spec highlights:
Current (AC) range: up to 600 A AC for this model. OmniControls+1
Voltage (AC/DC): up to 600 V. OmniControls+1
Resistance: up to 600 Ω, plus 6 000 Ω (on some ranges) for this series. OmniControls
Accuracy (for current): For AC current on the 336: 2 % ± 5 counts (10-100 Hz); 6 % ± 5 counts (100-400 Hz) per spec sheet. OmniControls
Safety rating: Category III 600 V (for typical electrical installation work) for this series. OmniControls+1
Auto shut-off to save battery life; ergonomic size to fit in hand and tighter spaces. OmniControls
A trusted brand: Fluke is well-known for quality electrical test equipment.
True RMS capability: Good for realistic, accurate readings in real-world electrical environments (especially with variable loads).
Solid range of functions (clamp current + voltage + resistance) in one tool — handy for many inspection/troubleshooting jobs.
Ergonomic design and features make it practical for field work.