Mô tả
Ampe kìm đo dòng AC/DC Fluke 355 (True Rms, 2000A)
Thông số kỹ thuật:
| DCA: 40 A,400 A, 2000 A /1.5 % rdg + 5 digits |
| ACA: 40 A, 400A, 2000 A /3.5 % + 5 digits |
| DCV: 4 V, 40 V, 400 V, 600 V, 1000 V /1 % rdg + 5 digits |
| ACV: 4 V, 40 V, 400 V, 600 V /3 % rdg + 5 digits |
| Ohms: 400 Ω, 4 kΩ, 40 kΩ, 400 kΩ /1.5% + 5 digits |
| Continuity beeper: yes |
| F: 5.0 Hz đến 1 kHz |
| Nguồn: 6 pin 1.5 V AA |
| Trọng lượng: 814 kg (1.8 lb) |
| Vòng kìm: 58 mm (2.28 in) |
| Kích thước (LxWxD): 300 mm x 98 mm x 52 mm |
| Phụ kiện: Túi mềm, 6 pin AA, HDSD |
| Electrical specifications | ||
| Current measurement dc and ac 10 Hz to 100 Hz | Range : 40 A | Resolution: 10 mA |
| Accuracy, A: 1.5 % rdg + 15 digits | ||
| Trigger Level for Inrush: 0.50 A | ||
| Trigger Level for Hz Filter OFF: 2.50 A | ||
| Trigger Level for Hz Filter ON: 0.50 A | ||
| Range : 400 A | Resolution: 100 mA | |
| Accuracy, A: 1.5 % rdg + 5 digits | ||
| Trigger Level for Inrush: 5.0 A | ||
| Trigger Level for Hz Filter OFF: 2.5 A | ||
| Trigger Level for Hz Filter ON: 2.5 A | ||
| Range : 2000 A; 1400 ac rms | Resolution: 1 A | |
| Accuracy, A: 1.5 % rdg + 5 digits | ||
| Trigger Level for Inrush: 5 A | ||
| Trigger Level for Hz Filter OFF: 8 A | ||
| Trigger Level for Hz Filter ON: 8 A | ||
| Crest Factor (50/60 Hz) | Range : 40 A | Crest Factor* : 2 @ 33 A, 2.4 @ 27 A |
| Range : 400 A | Crest Factor* : 2 @ 330 A, 2.4 @ 270 A | |
| Range : 2000 A; 1400 ac rms | Crest Factor* : 2 @ 1000 A, 2.4 @ 833 A | |
| Current measurement ac 100.1 Hz to 1 kHz | Range : 40 A | Resolution: 10 mA |
| Accuracy > 10 A : 3.5 % rdg + 15 digits | ||
| Trigger Level for Inrush: 0.50 A | ||
| Trigger Level for Hz Filter OFF : 2.50 A | ||
| Trigger Level for Hz Filter ON : 0.50 A | ||
| Range : 400 A | Resolution: 100 mA | |
| Accuracy > 10 A : 3.5 % rdg + 5 digits | ||
| Trigger Level for Inrush: 5.0 A | ||
| Trigger Level for Hz Filter OFF : 2.5 A | ||
| Trigger Level for Hz Filter ON : 2.5 A | ||
| Range : 2000 A; 1400 ac rms | Resolution: 1 A | |
| Accuracy > 10 A : 3.5 % rdg + 5 digits | ||
| Trigger Level for Inrush: 5 A | ||
| Trigger Level for Hz Filter OFF : 8 A | ||
| Trigger Level for Hz Filter ON : 8 A | ||
| Voltage measurement (355 only) dc and ac 10 Hz to 100 Hz | Range : 4 V | Resolution: 1 mV |
| (600 V and 1000 V ranges have 10 % over range to 660 V and 1100 V respectively.) | Accuracy: 1 % rdg + 10 digits | |
| Trigger Level for Hz Filter OFF: 0.050 V | ||
| Trigger Level for Hz Filter ON: 0.050 V | ||
| Range : 40 V | Resolution: 10 mV | |
| Accuracy: 1 % rdg + 5 digits | ||
| Trigger Level for Hz Filter OFF: 0.25 V | ||
| Trigger Level for Hz Filter ON: 0.25 V | ||
| Range : 400 V | Resolution: 100 mV | |
| Accuracy: 1 % rdg + 5 digits | ||
| Trigger Level for Hz Filter OFF: 6 V | ||
| Trigger Level for Hz Filter ON: 6 V | ||
| Range : 600 V ac rms | Resolution: 1 V | |
| Accuracy: 1 % rdg + 5 digits | ||
| Trigger Level for Hz Filter OFF: 6 V | ||
| Trigger Level for Hz Filter ON: 6 V | ||
| Range : 1000 V dc | Resolution: 1 V | |
| Accuracy: 1 % rdg + 5 digits | ||
| Voltage measurement (355 only) ac 100.1 Hz to 1 kHz | Range: 4 V | Resolution: 1 mV |
| (600 V and 1000 V ranges have 10 % over range to 660 V and 1100 V respectively.) | Accuracy: 3 % rdg + 10 digits | |
| Trigger Level for Hz Filter OFF: 0.050 V | ||
| Trigger Level for Hz Filter ON: 0.050 V | ||
| Range: 40 V | Resolution: 10 mV | |
| Accuracy: 3 % rdg + 5 digits | ||
| Trigger Level for Hz Filter OFF: 0.25 V | ||
| Trigger Level for Hz Filter ON: 0.25 V | ||
| Range: 400 V | Resolution: 100 mV | |
| Accuracy: 3 % rdg + 5 digits | ||
| Trigger Level for Hz Filter OFF: 6 V | ||
| Trigger Level for Hz Filter ON: 6 V | ||
| Range: 600 V ac rms | Resolution: 1 V | |
| Accuracy: 3 % rdg + 5 digits | ||
| Trigger Level for Hz Filter OFF: 6 V | ||
| Trigger Level for Hz Filter ON: 6 V | ||
| Ohms measurement (355 only) | Range: 400 Ω | Resolution: 0.1 Ω |
| Accuracy: 1.5 % + 5 digits | ||
| Range: 4 kΩ | Resolution: 1 Ω | |
| Accuracy: 1.5 % + 5 digits | ||
| Range: 40 kΩ | Resolution: 10 Ω | |
| Accuracy: 1.5 % + 5 digits | ||
| Range: 400 kΩ | Resolution: 100 Ω | |
| Accuracy: 1.5 % + 5 digits | ||
| Continuity beeper (355 only) | 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 | |
| *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 (LxWxD) | 300 mm x 98 mm x 52 mm (12 in x 3.75 in 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 3V/m, performance criteria B, EN61325 | |
| 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 | |

