Specifications - Extech Instruments 382400 User Manual

DATA HOLD, MAX-MIN, and PEAK Modes
1. Measure current or voltage as previously described.
2. Press the HOLD button to access the Data Hold mode; an
Use the Data Hold mode to freeze a displayed reading.
3. Press again to access the MAX mode. In the MAX mode, only the highest reading will
be displayed. The MAX icon will be indicated on the LCD display.
4. Press again to access the MIN mode. In the MIN mode, only the lowest reading will
be displayed. The MIN icon will be indicated on the LCD display.
5. Press again to access the PEAK mode. The PEAK display icon will be indicated on
the LCD display.
6. Press and hold the HOLD button for 3 seconds to return to the normal operating
mode.
Note: The sampling time of the PEAK Mode is 39µS (50Hz) or 33µS (60Hz).
HOLD, MAX and MIN display the TRMS value
Automatic Power OFF
In order to conserve battery life, the meter will automatically turn off after approximately 15
minutes. To turn the meter on again, turn the function switch to the OFF position and then
to the desired function position.
To defeat the Auto Power OFF feature, press and hold the HOLD button while turning the
meter on.

Specifications

AC Current
50/60Hz, Auto Range, True RMS, Crest Factor <4
Conductor should be positioned at the center of the flexible loop
Range
0 to 300.0 AAC
300.0 to 999.9 A
1000 to 3000 A
*Position sensitivity is 2% of range; External field effect of < 40A/m and 200mm from the
coupling is 1% of range; Temperature coefficient is 0.02% of reading/
AC Voltage
50/60Hz, Auto Range, True RMS, Crest Factor <4, Input Impedance 10M ohm, Overload
protection 800V
Range
4.0V to 600.0 VAC
Frequency
ACV value > 30VAC or ACA value > 30A
Range
45 – 65
Resolution
0.1A
1A
Resolution
0.1V
Resolution
0.1
6
H icon will be displayed.
Accuracy *
± 1.0% of range
o
C.
Accuracy
± (0.5% reading+ 5 digits)
Accuracy
± 0.2Hz
382400 V1.1 06/07