GW Instek GVT-427B User Manual
Page 8
GVT-427B User Manual
14
Table 1: Specifications (Cont.)
Frequency Response
(Reference : 1 kHz)
300uV range:
From 20 Hz to 200 kHz, ≦ ±3%
From 10 Hz to 500kHz, ≦ ±10%
Other ranges:
From 20 Hz to 200 kHz, ≦ ±3%
From 10 Hz to 1 MHz, ≦ ±10%
Distortion Factor
≦2 % of full scale at 1 kHz
Input Impedance
Approximately 1 M
Ω
Input Capacitance
≦50 pF
Input Maximum
Voltage
(DC + AC peak)
300 V (at 300
µV~ 1 V ranges)
500 V (at 3 V ~ 100 V ranges)
**DC isolation
Resistance
0.1
Ω /100 kΩ ±10% (selectable)
Maximum Voltage of
**DC isolation
±30 V (peak value) (at 100 k
Ω isolation)
AC Output Voltage 0.1 V
rms
±10% for each range of 1 kHz
(at full scale without load)
AC Frequency
Response
10 Hz to 1 MHz, ≦ ±3%
(reference: 1 kHz, without load)
Stability against Line
Voltage Fluctuation
Indication change with respect to line voltage
fluctuation of ±10% : is within ±0.5% of full
scale.
GVT-427B User Manual
15
AC Power
Requirement
115/230 Vac, 50/60 Hz
Table 1: Specifications (Cont.)
AC Power
Consumption
8.5VA or 5.0 Watts, Maximum
Fuse Replacement
for 115 Vac selected
T type, 0.3 A, 250Vac
Fuse Replacement
for 230 Vac selected
T type, 0.2 A, 250Vac
Operation
Environment
Indoor user,
Altitude up to 2000M
Installation Category II
Pollution Degree 2
Operating Temperature :
+0
0
C to +40
0
C, < 80% relative humidity
Dimensions
130 (W) x 210 (H) x 295 (D) mm
Weight
Approximately 2.84kg
*: Dual scales in different colors.
**: Between the input common and chassis.