GW Instek GDS-122

Handhel Digital storage oscilloscope & Multimeter

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Features

* 20MHz Bandwidth
* 100MS/s Real-Time Sampling Rate
* True RMS Multimeter: Volt, AMp, Ohm, Continuity, Diode
* Dual Independent Floating Isolated Channels
* Trigger Mode: Free Run, Single Shot, Edge, Video
* USB Interface
* 6 Hour Capacity Li-ion Rechargeable Battery
* 3.8" Color LCD, Resolution: 320 x 240
* Light Weight: 690g

VERTICAL
Channels	2
Analog Bandwidth	20MHz
Single Bandwidth	Full bandwidth
Rise Time	17.5ns
Sensitivity	5mV/div ~ 5V/div at the BNC input
DC Gain Accuracy	±5%
DC Measurement Accuracy	±(5% reading + 0.05div): average sampling
Analog Digital Converter Resolution	8 bits, synchronously sampling on both channels
Displacement Range	±50V (500mV ~ 5V), ±1V (5mV ~ 200mV)
Low Frequency Response AD Coupling, -3dB	±5Hz at the BNC input
TRIGGER
Sources	CH1, CH2
Trigger Sensitivity	2div, peak-to-peak value
Trigger Sensitivity Edge Trigger	DC coupling: 1div (full bandwidth) AC coupling: same as the DC coupling (≧50Hz)
Trigger Level Range	±6div from the screen center
Trigger Level Accuracy	±0.3div typical
Trigger Displacement	655div (pre-trigger), 4div (post-trigger)
50% Level Setting	Input signal ≧50Hz (typical)
Video Trigger	NTSC, PAL, SECAM (any line or frequency)
HORIZONTAL
Sampling Rate	10S/s ~ 100MS/s
Waveform Interpolation	sinx/x
Record Length	6k points on each channel
Scan Speed	5ns/div ~ 5s/div, 1-2.5-5 step
Sampling Rate and Relay Time Accuracy	±100ppm (≧1ms)
Time Interval Accuracy (Full Bandwidth)	Single: ±(1 sampling interval time + 100ppm x reading + 0.6ns) Average >16: ±(1 sampling interval time + 100ppm x reading + 0.4ns)
INPUT
Input Coupling	DC, AC
Input Impedance	1MΩ ±2%, connected in parallel with 20pF±3pF
Probe Attenuation Coefficient	1X, 10X, 100X, 1000X
Maximum Input Voltage	400V (peak)
Channel Delay Time	150ps (typical)
SAMPLING
Sampling Mode	Normal, Peak Detect, Average
Sampling Rate	100MSa/s
MEASUREMENT
Cursor Measurement	Voltage difference and Time difference between cursors
Auto Measurement	Peak-to-peak, Average, Root mean square, Frequency, Cycle
MULTIMETER SPECIFICATIONS
Input Impedance	10MΩ
Voltage	VDC: 400mV, 4V, 400V ±(1% + 1digit) VDC: 4V, 40V, 400V ±(1% + 3digits)
Maximum Input Voltage	DC 400V, AC 400V (virtual value)
Frequency	40Hz ~ 400Hz
DC Current	40mA, 400mA ±(1.5% + 1digit), 20A ±(3% + 3digits)
AC Current	40mA ±(1.5% + 3digits), 400mA ±(2% + 1digit), 20A ±(5% + 3digits)
Impedance	400Ω ±(1% + 3digits), 4kΩ, 40kΩ, 400kΩ, 4MΩ ±(1% + 1digit), 40MΩ ±(1.5% + 3digits)
Capacitance	51.2nF ~ 100uF ±(3% + 3digits)
Diode	0V ~ 1.5V on/off measurement < 50Ω (±30Ω) beep
GENERAL SPECIFICATIONS
Display Type	3.8" color liquid crystal display
Display Resolution	320 (horizontal) x 240 (vertical) pixels
Display Color	4096 colors
Power Supply	100 ~ 240VAC, 50Hz, CATII
Power Consumption	<6W
Operating Temperature	Battery Operation: 0 ~ 50℃ (32 ~ 122F) Power adaptor operation: 0 ~ 40℃ (32 ~ 104F)
Dimensions & Weight	180 x 115 x 40 mm; Approx 0.69kg