SKU: FLUKE 355
BRAND: Fluke
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Versatile and rugged clamp meter for high currents
Confidently take reliable readings with the True RMS Fluke 355 digital clamp meter, the tool of choice for high current clamp-on amp meter measurement up to 2000 A. The extra-wide jaw easily clamps around large conductors, typically found in high-current applications. The extra rugged design and CAT IV 600 V, CAT III 1000 V ratings add an extra element of user protection when taking high-powered measurements.
Accurate peak measurements can be taken using the in-rush current mode, ideal for motors and inductive loads. The 355 also measures voltage and resistance, making this an ideal clamp meter for utilities, electrical contractors and industrial service technicians.
Easy to use all-in-one tool
| Electrical Specifications | ||
| Current measurement AC 10 Hz to 100 Hz | Range | 40 A / 400 A / 1400 AC rms |
| Resolution | 10 mA / 100 mA / 1 A | |
| Accuracy | 40 A: 1.5% rdg + 15 digits 400 A: 1.5% rdg + 5 digits 1400 A: 1.5% rdg + 5 digits |
|
| Trigger level for Inrush | 0.50 A / 5.0 A / 5 A | |
| Trigger level for Hz filter OFF | 2.50 A / 2.5 A / 8 A | |
| Trigger level for Hz filter ON | 0.50 A / 2.5 A / 8 A | |
| Crest Factor (50/60 Hz) | Range | 40 A / 400 A / 1400 AC |
| Crest Factor1 | 2 @ 33 A, 2.4 @ 27 A 2 @ 330 A, 2.4 @ 270 A 2 @ 1000 A, 2.4 @ 833 A |
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| Current measurement AC 100.1 Hz to 1 kHz | Range | 40 A / 400 A / 1400 AC rms |
| Resolution | 10 mA / 100 mA / 1 A | |
| Accuracy | 40 A: 3.5% rdg + 15 digits 400 A: 3.5% rdg + 5 digits 1400 A: 3.5% rdg + 5 digits |
|
| Trigger level for Inrush | 0.50 A / 5.0 A / 5 A | |
| Trigger level for Hz filter OFF | 2.50 A / 2.5 A / 8 A | |
| Trigger level for Hz filter ON | 0.50 A / 2.5 A / 8 A | |
| Current measurement DC | Range | 40 A / 400 A / 2000 A |
| Resolution | 0.01 A / 0.1 A / 1 A | |
| Accuracy | 40 A: 1.5% rdg + 15 digits 400 A: 1.5% rdg + 5 digits 2000 A: 1.5% rdg + 5 digits |
|
| Voltage measurement AC 10 Hz to 100 Hz (600 V range has 10% over range to 660 V) |
Range | 4 V / 40 V / 400 V / 600 V AC rms |
| Resolution | 1 mV / 10 mV / 100 mV / 1 V | |
| Accuracy | 4 V: 1% rdg + 10 digits 40 V: 1% rdg + 5 digits 400 V: 1% rdg + 5 digits 600 V: 1% rdg + 5 digits |
|
| Trigger level for Hz filter OFF | 0.25 V / 6 V | |
| Trigger level for Hz filter ON | 0.25 V / 6 V | |
| Voltage measurement AC 100.1 Hz to 1 kHz (600 V range has 10% over range to 660 V) |
Range | 4 V / 40 V / 400 V / 600 V ac rms |
| Resolution | 1 mV / 10 mV / 100 mV / 1 V | |
| Accuracy | 4 V: 3% rdg + 10 digits 40 V: 3% rdg + 5 digits 400 V: 3% rdg + 5 digits 600 V: 3% rdg + 5 digits |
|
| Trigger level for Hz filter OFF | 0.050 V / 0.25 V / 6 V / 6 V | |
| Trigger level for Hz filter ON | 0.050 V / 0.25 V / 6 V / 6 V | |
| Voltage measurement DC | Range | 4 V / 40 V / 400 V / 1000 V |
| Resolution | 0.001 V / 0.01 V / 0.1 V / 1 V | |
| Accuracy | 4 V: 1% rdg + 10 digits 40 V: 1% rdg + 5 digits 400 V: 1% rdg + 5 digits 1000 V: 1% rdg + 5 digits |
|
| Resistance measurement | Range | 400 Ω / 4 kΩ / 40 kΩ / 400 kΩ |
| Resolution | 0.1 Ω / 1 Ω / 10 Ω / 100 Ω | |
| Accuracy | 1.5% + 5 digits | |
| Continuity beeper | On at ≤ 30 Ω Off at ≥ 100 Ω |
|
| Frequency measurement | Measurement range | 5.0 Hz to 1 kHz |
| Resolution | 0.1 Hz (15 Hz to 399.9 Hz); 1 Hz (400 Hz to 1 kHz) | |
| Accuracy – 5.0 Hz to 100 Hz | 0.2% + 2 counts | |
| Accuracy – 100.1 Hz to 1 kHz | 0.5% + 5 counts | |
| Trigger level | Refer to current and voltage tables | |
| 1. Add 2% to error spec for CF > 2 | ||
| General Specifications | ||
| Batteries | Six 1.5 V AA NEDA 15 A or IEC LR6 | |
| Battery life (with typical usage, backlight off) | 100 hours | |
| Test leads | Rated to 1000 V | |
| Weight | .814 kg (1.8 lb) | |
| Jaw size | 58 mm (2.28 in) | |
| Dimensions (L x W x D) | 300 x 98 x 52 mm (12 x 3.75 x 2 in) | |
| Safety rating | IEC 61010-2-032, 600 V CAT IV, 1000 V CAT III | |
| Environmental Specifications | ||
| Operating temperature | 32°F to +122°F (0°C to +50°C) | |
| Storage temperature | -4°F to 140°F (-20°C to +60°C) | |
| Operating humidity | 0 to 95% (non-condensing) | |
| Operating altitude | 2000 m | |
| Storage altitude | 10,000 m | |
| IP rating | 42 (indoor use only) | |
| Drop test requirements | 1 m | |
| EMI, RFI, EMC | FCC part 15, IEC/EN 61326-1:1997 class B IEC/EN 61326:1997 3 V/m, performance criteria B, EN61325 |
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| Temperature coefficients | Current | 0.1% of reading per °C outside 22°C to 24°C |
| Voltage | 0.1% of reading per °C outside 22°C to 24°C | |
| Device | Clamp Meter |