Pecifications – GW Instek GDS-122 User Manual User Manual
Page 49

Specifications
97
S
PECIFICATIONS
Conditions for
specifications
The following specifications are applicable when
these two conditions are met:
•
The GDS‐122 has been powered up for at least
30 minutes, during which temperature
fluctuation is no more than 5 degrees Celsius.
•
The probe attenuation is set to X 10.
69B
Oscilloscope specifications
Sampling
Mode
Normal, Peak detection, Average
Rate
100 MSa/s
Input Coupling DC,
AC
Impedance
1MΩ±2% in parallel with 20pF±3pF
Probe
1X, 10X, 100X, 1000X
Max. Input
400V (peak)
Channel delay
150ps (typical)
Horizontal
Sampling rate
10S/s~100mS/s
Interpolation
(
sin x)/x
Record length
6K points on each channel
Scanning
speed
5ns/div~5s/div, 1-2.5-5 step
Sampling rate /
relay time accuracy
±
100ppm (time interval ≥ 1ms)
Interval (△T)
accuracy (full
bandwidth)
Single: ±(1 interval time +100ppm×
reading+0.6ns) Average >16 : ±(1
interval time +100ppm×reading+0.4ns)
Vertical
A/D converter
8 bits resolution (2CH simultaneously)
Sensitivity
5mV/div~5V/div(at input)
Displacement
±
50V(500mV~5V),±1V(5mV~200mV)
Bandwidth
20M
Single
Full bandwidth
Low
frequency
≥5Hz(at input, AD coupling, -3dB)
Rise time
≤17.5ns (at input, typical)
DC
accuracy
±
5% (DC gain)
DC accuracy (avg) Avg >16: ±(5% rdg + 0.05 div) for △V
GDS-122 User Manual
98
Trigger Sensitivity CH1 and CH2: 1div(DC~full bandwidth)
DC coupling: ≥ 50Hz.
Trigger level
±
6 divisions from the screen center
Level accuracy
±
0.3 div (typical, rise/fall time ≥ 20ns)
Displacement
655div (pre-trigger), 4div (post- trigger)
50% level setting Input signal frequency ≥ 50Hz (typical)
Trigger sensitivity 2 div of peak-to-peak (video trigger)
Signal system
NTSC, PAL, SECAM (any frequency)
Measurement Cursor
△
V and △T between cursors
Automatic
Peak-to-peak, average, root mean
square, frequency, and cycle
Probe
1X position
10X position
Bandwidth
≤ 6 MHz (DC)
Full bandwidth (DC)
Attenuation rate
1: 1
10: 1
Compensation
10pf~35pf 10pf~35pf
Input impedance 1MΩ±2%
10MΩ±2%
Input
impendence
85pf~115pf 14.5pf~17.5pf
Input voltage
150 V DC
300V DC
70B
Multimeter specifications
VDC Input
impedance
10MΩ
Max input
1000V (DC or AC peak-to-peak value)
Accuracy
±
1%±1 digit
Resolution
400mV range: 100uV
4V range: 1mV
40V range: 10mV
400V range: 100mV
VAC Input
impedance
10MΩ
Max input
750V(AC, virtual value)
Frequency
range
40Hz~400Hz
Display
Virtual value of sine wave
Accuracy
±
1%±3 digits
Resolution
4V range: 1mV
40V range: 10mV
400V range: 100mV
DCA Accuracy 40mA range: ±1%±1 digit
400mA range: ±1.5%±1 digit
20A range: ±3%±3 digits
Resolution
40mA range: 10uA