Fluke 355/353 is a clamp meter designed for high current measurement applications. It provides high accuracy and wide measurement range, up to 2000 A ac + dc true-rms, 1400 A ac and 2000 A dc. It is suitable for utilities, electrical contractors and industrial service technicians.
The Fluke 355 and 353 clamp meters provide true‑RMS current measurement up to 2000 A AC + DC with an extra‑wide 58 mm jaw, making them suitable for industrial and utility applications. They also measure voltage, resistance, continuity and frequency, offering a versatile tool for electricians and service technicians.
Key specifications include CAT IV 600 V / CAT III 1000 V safety ratings, a backlit display, MIN/MAX/AVG functions, and a battery life of about 100 hours with the backlight off. The meters are powered by six 1.5 V AA batteries and weigh only 0.814 kg, fitting comfortably in the hand for field use.
| Maximum current measurement | 2000 A AC + DC true‑RMS (1400 A AC RMS) |
|---|---|
| Jaw size | 58 mm (2.28 in) |
| Battery type | Six 1.5 V AA (NEDA 15 A or IEC LR6) |
| Battery life (backlight off) | ≈100 hours |
| Weight | 0.814 kg (1.8 lb) |
| Safety rating | CAT IV 600 V, CAT III 1000 V |
It can measure up to 2000 A AC + DC true‑RMS (and 1400 A AC RMS).
The meter is rated CAT IV 600 V and CAT III 1000 V for added user protection.
The jaw size is 58 mm (2.28 in).
The battery provides about 100 hours of operation when the backlight is off.