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User's Manual
Digital AC/DC Clamp Meter
Model 38394
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com
Visit us at www.TestEquipmentDepot.com
Back to the Extech 38394 Product Info Page
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
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Summary of Contents for Extech Instruments 38394
- Page 1 Model 38394 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com Back to the Extech 38394 Product Info Page Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.com...
- Page 2 INTRODUCTION Congratulations on your purchase of Extech’s 38394 AC/DC Clamp Meter. This clamp meter measures AC/DC Current to 600A, DC/AC Voltage, Resistance, Frequency, and Continuity. Proper use and care of this meter will yield years of reliable service. SAFETY Safety Symbols This symbol, adjacent to another symbol or terminal, indicates the user must refer to the manual for further information.
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Page 3: Specifications
SPECIFICATIONS Function Range Accuracy AC/DC Current 240.0A ±(2% rdg + 5d) (AC @ 50/60Hz) 600A ±(2% rdg + 8d) AC Voltage 2.400V, 24.00V, 240.0V, 600.0V ±(1.2% rdg + 5d) (AC @ 50/60Hz) DC Voltage 240.0mV ±(0.5% rdg +2d) 2.400V, 24.00V, 240.0V, 600V ±(1.0% rdg + 2d) Resistance ±(1% rdg + 5d) -
Page 4: Meter Description
METER DESCRIPTION Front panel Current Jaws Jaw opening trigger Rotary function switch REL key DATA HOLD key Function key Range key LCD display COM & V/Ω input jacks Symbols and Units of measure AC Current or Voltage DC Voltage •))) Continuity Diode test Hold... - Page 5 OPERATING INSTRUCTIONS AC/DC Current Measurements WARNING: Ensure that the test leads are disconnected from the meter before making current clamp measurements. Set the Function switch to the 600A range. Press the FUNC key to select AC or DC (the AC/DC icons will toggle on the LCD with each key press).
- Page 6 Frequency Measurements CAUTION: Before taking any in-circuit measurements, remove power from the circuit under test and discharge all capacitors. Insert the black test lead to the COM input jack and the red test lead to the VΩ input jack. Set the Function switch to the Hz position. Connect the test lead tips to the device under test.