Kikusui KHA1000, Руководство по эксплуатации, Страница: 262 / 274

10-2
KHA1000
10.1 Specifications
The specifications are based on the following settings and conditions unless
otherwise specified:
• The warm-up time is 30 minutes.
• TYP value:Typical value, which does not guarantee performance.
• rdng: Indicates a value that is read.
• set: Indicates a value that is set.
• range: Indicates a range.
Common specifications of input section
Voltage measurement function
Item Specifications
Maximum input
voltage Continuous 300 Vrms/560 Vpeak (CAT I), 250 Vrms (CAT II)
Maximum input
current Continuous 24 Arms/50 Apeak
Within 20 ms 80 Apeak
Voltage input impedance About 4.7 M

Instrument loss
(between SOURCE and LOAD) 6 m

or less
Coupling mode HA/Vf mode Fixed to DC coupling
OTHER mode DC or AC coupling (optional)
*1
*1. The accuracy of this specification is not specified for AC coupling.
Item Specifications
Range
*1
150 V/300 V
Allowable crest factor
*1
*1. Up to ± 560 Vpeak
2
Display item
*2
*2. Accuracy is not specified for ± Peak.
TrueRMS and ± peak
Accuracy
*3
*3. Accuracy is not specified for ± Peak. PLL is in the Lock state, in the effective input range, and with
anti-alias filter cutoff frequency 6 kHz.
± (0.4 % of rdng+0.04 % of range)
Resolution 150 V range 0.01 V
300 V range 0.02 V
Effective input range
*4
*4. Accuracy is not specified for outside of range.
60 % to 110 % of the range
Excess input display “Over” is displayed when the peak value exceeds the display
range.
Fundamental wave frequency
range 45 Hz to 65 Hz