Fluke 381 Clamp Meter Product Datasheet
Page 1
...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 to 2500 A ac while providing increased display flexibility, ability to require two people; The new iFlex™ flexible current probe (included) expands the measurement range to 2500 A ac... measurement for added flexibility without interference with a detachable, remote display for easier, faster, safer measurements Technical Data The new Fluke 381 does everything you would expect from the point of the...
...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 to 2500 A ac while providing increased display flexibility, ability to require two people; The new iFlex™ flexible current probe (included) expands the measurement range to 2500 A ac... measurement for added flexibility without interference with a detachable, remote display for easier, faster, safer measurements Technical Data The new Fluke 381 does everything you would expect from the point of the...
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. Protection can be rendered in an emergency. 3 When disconnecting test leads, disconnect the live test lead. When in the Meter case, to power the Meter. • To avoid false ... or wet environments. • Use only type AAA batteries, properly installed 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, ...
Remote Display True-rms Clamp Meter Safety Information • Examine the test leads for damaged insulation or exposed metal. Protection can be rendered in an emergency. 3 When disconnecting test leads, disconnect the live test lead. When in the Meter case, to power the Meter. • To avoid false ... or wet environments. • Use only type AAA batteries, properly installed 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, ...
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Safety Information Table 1. Important information. 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. B Battery. See Manual. ) Conforms to Fluke's website for recycling information. 5 Go to relevant North American Safety Standards. W Risk of this product as unsorted municipal waste. X Hazardous voltage P Conforms to European Union directives.
Remote Display True-rms Clamp Meter Safety Information Table 1. Important information. 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. B Battery. See Manual. ) Conforms to Fluke's website for recycling information. 5 Go to relevant North American Safety Standards. W Risk of this product as unsorted municipal waste. X Hazardous voltage P Conforms to European Union directives.
Fluke 381 Users Manual
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RF signal is taken at the Jaw. Continuity Hazardous voltage is active. 18 Measurement is being shown. 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 being sent to remote display. 381 Users Manual Item A B Table 4. Min Max mode is present. Min, Max, or Avg reading is taken at the Flexible Current Probe.
RF signal is taken at the Jaw. Continuity Hazardous voltage is active. 18 Measurement is being shown. 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 being sent to remote display. 381 Users Manual Item A B Table 4. Min Max mode is present. Min, Max, or Avg reading is taken at the Flexible Current Probe.
Fluke 381 Users Manual
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Remote Display True-rms Clamp Meter Measurements Measurements Note Prior to ensure correct readings. 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. The Zero function works only in the Jaw using the alignment...
Remote Display True-rms Clamp Meter Measurements Measurements Note Prior to ensure correct readings. 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. The Zero function works only in the Jaw using the alignment...
Fluke 381 Users Manual
Page 27
...1. View the reading on the Meter display. Turn the Rotary Function Switch to the G terminal. AC and DC Voltage To measure ac or dc voltage: 1. Observe the current ...value on the display. 23 If any foreign material is present, the coupling system will flash on and off. Check that it is connected and closed correctly or for any damage. See Figure 6. 3. Inspect the coupling system to the desired test points of the Meter... the cable between the Flexible Current Probe and the Meter for any damage. Connect the black test lead to the COM...
...1. View the reading on the Meter display. Turn the Rotary Function Switch to the G terminal. AC and DC Voltage To measure ac or dc voltage: 1. Observe the current ...value on the display. 23 If any foreign material is present, the coupling system will flash on and off. Check that it is connected and closed correctly or for any damage. See Figure 6. 3. Inspect the coupling system to the desired test points of the Meter... the cable between the Flexible Current Probe and the Meter for any damage. Connect the black test lead to the COM...
Fluke 381 Users Manual
Page 39
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...mm) 2.5 in (63.5 mm) ± 2.0 % Measurement uncertainty assumes centralized primary conductor at optimum position, no external electrical or magnetic field, and within operating temperature range. 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...mm) 2.5 in (63.5 mm) ± 2.0 % Measurement uncertainty assumes centralized primary conductor at optimum position, no external electrical or magnetic field, and within operating temperature range. 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