Thông tin sản phẩm Fluke 353 Specifications Electrical Specifications Current Measurement DC and AC: 10 Hz to 100 Hz Range 40A 400A 2000 A; 1400 ac rms Resolution 10 mA 100 mA 1 A Accuracy ( A) 1.5% rdg + 15 digits 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 2.0 A 8 A Filter On 0.50 A 2.50 A 8 A Crest Factor (50/60 Hz) Range 40A 400A 2000 A; 1400 ac rms Crest Factor (50/60 Hz) 2 @ 33 A 2 @ 330 A 2 @ 1000 A 2.4 @ 27 A 2.4 @ 270 A 2.4 @ 833 A Add 2 % to error spec for CF > 2 Current Measurement AC: 100.1 Hz to 1 kHz Range 40A 400A 2000 A; 1400 ac rms Resolution 10 mA 100 mA 1 A Accuracy ( A) 1.5% rdg + 15 digits 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 2.0 A 8 A Filter On 0.50 A 2.50 A 8 A 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 100.1 Hz to 1 kHz 0.5 % + 5 counts Trigger Level Refer to current and voltage tables 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 2000m 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 co-Efficient 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 General Specifications Batteries: 6- 1.5 V AA NEDA 15 A or IEC LR6 Test Leads: Rated to 1000 V Weight: 1.8 lb (.814 kg) Jaw Size: 2.28 inches (58 mm) Dimensions (L x W x D): 12 inches x 3.75 inches x 2 inches (300 mm x 98 mm x 52 mm) Safety Rating: IEC 61010-2-032, 600 V CAT IV, 1000 V CAT III