Extech Instruments 382090 - Page 23

382090 382091 V4.0 09/07
23
Reactive Power Energy measurement (Kvarh)
Range Resolution
Reactive power
accuracy
Timer interval Timer Accuracy
3.999Kvarh 0.001Kvarh
±
(1.5%rdg + 20d)
1 sec ±50ppm at 77
o
F (25
o
C)
39.99Kvarh 0.01Kvarh
399.9Kvarh 0.1Kvarh
3.999Mvarh 0.001Mvarh
39.99Mvarh 0.01Mvarh
119.3Mvarh 0.1Mvarh
•
Measurement display: Displays total reactive power consumption
Harmonic measurement (for use with PC on-line analyzer only)
Order Accuracy Harmonic Source
No. of samples
per period
1 ~ 27
±
3%THD
U1, U2, U3 > 100V; I1, I2, I3 > 50A 54
Probes and Accessories
Current Clamp (4pcs)
Input 1000A AC maximum
Output 0.35mV/A
Safety CAT III 600V per IEC61010-1, Pollution Degree2.
: IEC 61010-1 2nd Edition and IEC61010-2-032
Voltage Test Leads (4pcs)
Safety CAT III, 1000V, AC 10A Max
Alligator Clips (4pcs)
Safety CAT III, 1000V, AC 10A Max