Extech Instruments 38390 User Manual

User's Manual Digital AC Clamp Meter Model 38390

Data Hold Press the HOLD key momentarily to freeze the present reading on the LCD. "H" will appear in the display. Press the HOLD key agai

MAINTENANCE WARNING: To avoid electrical shock or damage to the meter, keep moisture from entering the meter housing. Also, remove the test leads be

Battery Replacement Illustrations 1. Slide battery to right 2. Press on other side to lift battery 3. Remove battery 4. Insert battery on

 Tech Support Hotlines 781-890-7440 ext. 200 [email protected] www.extech.comWARRANTY EXTECH INSTRUMENTS CORPORATION warrants this instrument to be

INTRODUCTION Congratulations on your purchase of Extech’s 38390 AC Clamp Meter. This autoranging clamp meter measures AC Current to 400A, DC/AC Volt

Safety Precautions WARNING: Improper use of this meter can cause damage, shock, injury or death. Read and understand this users manual before operatin

SPECIFICATIONS Function Range Accuracy Remarks AC Current 40.00A 400.0A ± (2% + 15 digits) Frequency: 50/60Hz; 660A overload protection AC Volt

Conductor Size 0.9" (23mm ) maximum Operating principle Dual slope integration Battery type 2 x 1.55V button (ICE LR-44, NEDA 116A or A76) B

METER DESCRIPTION Symbols AC Current or Voltage DC Voltage Continuity H Display Data Hold A Auto Range Low Battery icon Units V Volt (volta

OPERATING INSTRUCTIONS Precautions 1. Ensure that the selected meter function matches the measurement to be taken. 2. If the measured current is hig

DC and AC Voltage Measurements 1. Set the Function Switch to the V position. 2. Press the AC/DC key (directly below the HOLD key) to select AC or D