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Features: 100MHz bandwidth, 2Ch, dual digitizers Fast rise time and low overshoot Repetitive random interleaved 5GS/s Low drift ad internal noise reduction External trigger Built-in 3-3/4(4000 counts) digital multimeter with auto or manual ranging isolated from scope for safety Roll mode Pre-trigger up to 10 div. Bright back-light type LCD display Automatic optimized panel setting and tracking according to input signal Automatic measurements Arithmatic function RS-232C programmability and communication Rechargeable Ni-Cd battery ad external AC adapter Direct hardcopy through RS-232C Hand free design with automatic test and soft carrying case

Model	Description	List Price	Sale Price
OS-310M	100MHz, 5GS/s, 5K Memory, Built-in DMM	$1455.00	$1222.20

Specifications
VERTICAL AXIS	- Resolution: 8bits - Sensitivity : 1mV/div. to 5V/div. in 12 steps of 1-2-5 sequence - Accuracy : normal 3% (5% for 1mV or 2mV) - Bandwidth : DC ~ 100MHz(-3dB) - Low frequency limit in AC couple : 10Hz - Input channel : CH1, CH2 - Input impedance : approx. 1MW in parallel with 25pF - Mode : CH1, CH2 turned on or off independently - Max. safe input voltage : 42Vpeak (DC + peak AC)
HORIZONTAL AXIS	- Max. sample rate : real time 25MS/s (simultaneous on 2 channels) / repetitive 5GS/s (simultaneous on 2 channels) - Acquisition memory : 2k words / CH - Sweep time on equivalent sampling : 5ns/div. ~2µs/div. - Sweep time on real time sampling : 5ns/div. ~0.5µs/div. - Sweep time on roll mode sampling : 1s/div. ~5s/div. - Time base error : 1% - Pre-trigger : Max. 10div.
TRIGGER SYSTEM	- Modes : AUTO, NORM, TV-V, TV-H - Source : CH1, CH2, EXT - Coupling : AC, DC, HF-R, LF-R - Slope : + or - - Sensitivity and frequency in CH1 DC -10MHz : 0.5div. in 5mV~5V/div. / 2.5mVp-p in 1mV,2mV/div. - Sensitivity and frequency in CH2 10 -100MHz : 1.5div. in 5mV~5V/div. / 7.5mVp-p in 1mV,2mV/div. - Sensitivity and frequency in EXT DC - 100MHz : 0.1Vp-p - TV-V, TV-H : at least 1div. or more, negative - AC cut off frequency : approx. 10Hz(-3dB) - HF/LF cut off frequency : approx. 50kHz(-3dB) - Auto lower frequency : approx. 30Hz
MENU	- Display : 5"STN LCD CCFL(back light) 320 X 240 pixel 10div.(H) X 8div.(V), 25 X 25 dots/div.(V), grid(full, quad, board) interpolation(sine, linear) dot join on/off, persistence, X-Y horizontal MAG/ALT MAG - Save/recall : average(exponential 2~256) save/recall max. 10 waveform & set-up clear waveform set-up - Math. Parameter : amplitude(p-p, rms, average), frequency, period, pulse width (positive, negative), duty cycle - Math. Arithmetic : addition, subtraction, inversion - Utility : probe(X1, X10) selection, LCD contrast dec./inc. control, RS- 232C port
CURSOR	- V, T, 1/T reference, track
AUTO SET-UP & TRACKING	- The front panel settings are automatically performed so that the optimum waveform is displayed for an input signal frequency : 20Hz~20MHz, duty : 20~80%, amplitude : 10mV~50V(20mV or more for 20 to 100Hz)
HOLD/RUN	- Probe adjustment : approx. 1kHz frequency, 0.5V(10%) square wave with 40-50% duty ratio
HARDCOPY	- Hardcopy through RS-232C interface
RESUME	- The setup data before power off and all the displayed information are retained at power on these data are displayed and used as setup data.
DIGITAL MULTIMETER	- Digit : 3-3/4(4000 count) - AC/DC voltage (4 ranges) : 400mV(0.1mV resolution) / 4V(1mV resolution) 40V(10mV resolution) / 400V(100mV resolution) - Resistance (5 ranges) : 400W(0.1W resolution) / 4kW(1W resolution) / 40kW(10W resolution) / 400kW(100W resolution) / 4MW(1kW resolution) Diode test, continuity test, Min./Max./Relative/Hold function
CALIBRATOR	- Probe adjustment : approx. 1kHz frequency, 0.5V(10%) square wave with 40-50% duty ratio
POWER SUPPLY	- Line voltage range : 12V / 1200mA rated external input voltage 100V(90-110V) / 60Hz, 120V(108-132V) / 60Hz, 220V(198-242V) / 60Hz or 220V(198-253V) / 50Hz - Power consumption : approx. 12W
PHYSICAL CHARACTERISTICS	- Weight : 2kg - Dimension : 180mm(W) X 67mm(H) X 255mm(L)
OTHERS	- Accessories including : Operation manual, Power cord - Optional accessories (sold separately) : Probe, RS-232C software package(SW-310M), Carrying case(CC-310M), Rechargeable batter (BT-310M), Thermal printer(PR-310M)