Fluke 381 Clamp Meter Product Datasheet
Page 1
... point of the art signal processing allows for even more flexibility. clamp the Fluke 381 around a conductor, remove the display and walk across the room to require two people; 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™ The first clamp meter with measurement accuracy • iFlex™ flexible current probe expands the measurement range...
... point of the art signal processing allows for even more flexibility. clamp the Fluke 381 around a conductor, remove the display and walk across the room to require two people; 381 Remote Display True-rms AC/DC Clamp Meter with iFlex™ The first clamp meter with measurement accuracy • iFlex™ flexible current probe expands the measurement range...
Fluke 381 Clamp Meter Product Datasheet
Page 2
... change switch positions while taking a measurement • Three-year warranty • Soft carrying case Ordering information 381 Remote Display True-rms Clamp Meter with iFlex™ Specifications Fluke 381 AC current via jaw AC current via iFlex™ DC current AC voltage DC voltage Resistance Frequency True-rms Continuity Hold Backlight Min/Max Inrush Low pass filter Removable wireless display...
... change switch positions while taking a measurement • Three-year warranty • Soft carrying case Ordering information 381 Remote Display True-rms Clamp Meter with iFlex™ Specifications Fluke 381 AC current via jaw AC current via iFlex™ DC current AC voltage DC voltage Resistance Frequency True-rms Continuity Hold Backlight Min/Max Inrush Low pass filter Removable wireless display...
Fluke 381 Users Manual
Page 7
Remote Display True-rms Clamp Meter Safety Information • Examine the test leads for damaged insulation or exposed metal. See Table 5. • Have the Meter serviced only by qualified service personnel. • Be careful around explosive gas, vapor or in damp or wet environments. • Use ...only type AAA batteries, properly installed in an emergency. 3 When in doubt, have the Meter serviced. • Do not use the Meter around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. Such voltages pose a shock hazard. • Do not apply more than the rated voltage, as the ...
Remote Display True-rms Clamp Meter Safety Information • Examine the test leads for damaged insulation or exposed metal. See Table 5. • Have the Meter serviced only by qualified service personnel. • Be careful around explosive gas, vapor or in damp or wet environments. • Use ...only type AAA batteries, properly installed in an emergency. 3 When in doubt, have the Meter serviced. • Do not use the Meter around voltages > 30 V ac rms, 42 V ac peak, or 60 V dc. Such voltages pose a shock hazard. • Do not apply more than the rated voltage, as the ...
Fluke 381 Users Manual
Page 9
W Risk of this product as unsorted municipal waste. Important information. B Battery. X Hazardous voltage P Conforms to relevant North American Safety Standards. See Manual. ) Conforms to European Union directives. T Double insulated ~ Do not dispose of Danger. Symbols Symbol B F Meaning AC (Alternating Current) DC (Direct Current) Symbol J P Meaning Earth ground AC and dc current. Low battery when shown. Remote Display True-rms Clamp Meter Safety Information Table 1. Go to Fluke's website for recycling information. 5
W Risk of this product as unsorted municipal waste. Important information. B Battery. X Hazardous voltage P Conforms to relevant North American Safety Standards. See Manual. ) Conforms to European Union directives. T Double insulated ~ Do not dispose of Danger. Symbols Symbol B F Meaning AC (Alternating Current) DC (Direct Current) Symbol J P Meaning Earth ground AC and dc current. Low battery when shown. Remote Display True-rms Clamp Meter Safety Information Table 1. Go to Fluke's website for recycling information. 5
Fluke 381 Users Manual
Page 22
Measurement is taken at the Flexible Current Probe. Display Description Item Inrush is active H Hold is active I C Volts J D Amps K E Ohms, DC, AC, Hz L F Main display M G Remote display low-battery symbol N O Description Meter base low-battery symbol Measurement is taken at the Jaw. RF signal is present. Continuity Hazardous voltage is being shown. Min Max mode is being sent to remote display. 381 Users Manual Item A B Table 4. Min, Max, or Avg reading is active. 18
Measurement is taken at the Flexible Current Probe. Display Description Item Inrush is active H Hold is active I C Volts J D Amps K E Ohms, DC, AC, Hz L F Main display M G Remote display low-battery symbol N O Description Meter base low-battery symbol Measurement is taken at the Jaw. RF signal is present. Continuity Hazardous voltage is being shown. Min Max mode is being sent to remote display. 381 Users Manual Item A B Table 4. Min, Max, or Avg reading is active. 18
Fluke 381 Users Manual
Page 23
...2. Note When measuring current, center the conductor in the dc current measurement Rotary Function Switch position. 19 Zeroing the Meter removes dc offset from the Meter. • Keep fingers behind Tactile Barrier. AC and DC Current (Jaw) XW Warning To avoid electric shock or ...personal injury: • When making current measurements, disconnect the test leads from the reading. Remote Display True-rms Clamp Meter...
...2. Note When measuring current, center the conductor in the dc current measurement Rotary Function Switch position. 19 Zeroing the Meter removes dc offset from the Meter. • Keep fingers behind Tactile Barrier. AC and DC Current (Jaw) XW Warning To avoid electric shock or ...personal injury: • When making current measurements, disconnect the test leads from the reading. Remote Display True-rms Clamp Meter...
Fluke 381 Users Manual
Page 27
...Check that it is present, the coupling system will not close properly. 2. AC and DC Voltage To measure ac or dc voltage: 1. See Figure 6. 3. Inspect the cable between the Flexible Current Probe and the Meter for any damage. Connect the black test lead to the COM terminal and the...function (V or L). 2. Observe the current value on the display. 23 D 3. Turn the Rotary Function Switch to the G terminal. Remote Display True-rms Clamp Meter Measurements Note When the measured current is in the display icon (X) will be steady. 5. With current > 0.5 A, the center dot will...
...Check that it is present, the coupling system will not close properly. 2. AC and DC Voltage To measure ac or dc voltage: 1. See Figure 6. 3. Inspect the cable between the Flexible Current Probe and the Meter for any damage. Connect the black test lead to the COM terminal and the...function (V or L). 2. Observe the current value on the display. 23 D 3. Turn the Rotary Function Switch to the G terminal. Remote Display True-rms Clamp Meter Measurements Note When the measured current is in the display icon (X) will be steady. 5. With current > 0.5 A, the center dot will...
Fluke 381 Users Manual
Page 39
DC Current Range 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits AC Voltage Range 600 V /1000 V Resolution 0.1 V / 1 V Accuracy 1.5 % ± 5 digits (20 - 500 Hz) 35 Remote Display True-rms Clamp Meter Specifications Distance from Optimum A i2500-10 Flex 0.5 in (12.7 mm) i2500-18 Flex 1.4 in (35.6 mm) Error ± 0.5 % B 0.8 in (20.3 mm) 2.0 in (50.8 mm) ± 1.0 % C 1.4 ...
DC Current Range 999.9 A Resolution 0.1 A Accuracy 2 % ± 5 digits AC Voltage Range 600 V /1000 V Resolution 0.1 V / 1 V Accuracy 1.5 % ± 5 digits (20 - 500 Hz) 35 Remote Display True-rms Clamp Meter Specifications Distance from Optimum A i2500-10 Flex 0.5 in (12.7 mm) i2500-18 Flex 1.4 in (35.6 mm) Error ± 0.5 % B 0.8 in (20.3 mm) 2.0 in (50.8 mm) ± 1.0 % C 1.4 ...