IDEAL ND-5499, Руководство по эксплуатации

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13
Electrical Specifications
Accuracy is
±
(% r number of digits) at
23°C
±
5°C < 80%RH.
DC / AC Volts
Range AC Accuracy
200.0mV * Unspecified
2.000V * ±
(1.5%+5dgt) 50Hz~300Hz
20.00V ~ 200.0V *
±
(1.5%+5dgt) 50Hz~500Hz *
750V AC / 1000V DC
DC Accuracy : ±(0.5% + 2dgt)
Over voltage protection :
1000V DC or 750 V AC rms.
Input Impedance : 10M
Ω
// less than 100pF.
* CMRR / NMRR :
(Common Mode Rejection Ratio)
(Normal Mode Rejection Ratio)
V
AC
: CMRR > 60dB at DC, 50Hz / 60Hz
V
DC
: CMRR > 100dB at DC, 50Hz / 60Hz
NMRR > 50dB at DC, 50Hz / 60Hz
AC Conversion Type :
Average sensing rms indication.
AC conversions are ac-coupled, true rms
responding, calibrated to the sine wave input.
* The minimum LCD reading is 1400 count in Auto
Ranging Mode.
Crest Factor : C.F. = Peak / Rms
+ 1.5% addition error for C.F. from 1.4 to 3
+ 3% addition error for C.F. from 3 to 4
DC / AC Current (For 352 & 354 only)
Range DC Accuracy AC Accuracy
Voltage
Burden
±
(1.0% + 3 dgt)
±
(1.5% + 5 dgt)
50Hz ~ 500Hz
*
2V max
2.000A
10.00A **
Overload Protection :
A input : 10A (500V) fast blow fuse
* AC Conversion Type : Conversion type and
additional specification are same as DC/AC Voltage.
* * Maximum input current restriction time :
10 minutes.