Operation Examples
Oscilloscope Measurement Example for Model HHM76
·
Model HHM76 on 1500 A range (1 mV/A)
·
Conductor carrying 1400 A peak AC waveform
·
Model HHM76 connected to oscilloscope
®
600V CAT III - 1500A
!
DC
ZERO
OL
ON
1500A
OFF
150A
OUTPUT:
1500 A: 1 mV/A
150 A: 10 mV/A
HHM76
AC/DC CURRENT PROBE
1000 A rms
0
1.4 V
-1.4 V
Common Specifications Continued
RH Influence:
10-35¡C: 90% RH at reference
Temperature:
£
0.5% (HHM73)
£
0.1% (HHM76)
Altitude:
Operating: 0 to 2000 m
Non-operating: 0 to 12,000 m
Zero Adjustment:
Automatic zero (± 10 A) by simple push button increment of 25 to 40 mA.
Red LED goes on at push of button and turns off when zero is reached;
no need to hold button down.
Case protection:
IP30 per IEC529
Drop Test:
1.0 m on 38 mm of oak on concrete; test according to IEC 1010
Mechanical Shock:
100 G, test per IEC 68-2-27
Vibration:
Test Per IEC 68-2-6,
Frequency Range:
5 to 15 Hz, amplitude: 1.5 mm
15 to 25 Hz, amplitude 1 mm
25 to 55 Hz, amplitude: 0.25 mm
Handle:
UL94 V0
Jaws:
UL94 V0
Color:
Dark gray with red jaws
Output:
Insulated 6.5 ft (2 m) coaxial cable with insulated BNC connector
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