Handyscope HS4 DIFF - Software Specification

Oscilloscope
Display channels	CH1, CH2, CH3, CH4
Display mode
Envelope mode	On/Off
Averaging	1..256 measurements
Math mode	CH1...4 + CH1...4, CH1...4 - CH1...4
Invert	Normal, Invert
Sensitivity	200mV, 400mV, 800mV, 2V, 4V, 8V, 20V, 40V, 80V full scale
Vertical magnification	0.25x to 10x (12 bit) 0.25x to 40x (14 bit) 0.25x to 160x (16 bit)
Input coupling	AC/DC
Time base maximum	75.8 days/div
Time base magnifying	1x to > 80x
Record length	131040 samples per channel
Record view scroll bar gain	1 to 125
Color settings	CH1...4 Ref CH1...4, math, trigger, timebase, background, raster, cursors
Fonts	user selectable

Trigger mode	free run, delayed run, auto, single, edge triggered, window, peak, external
Trigger system	two digital trigger levels, 4096 positions
Trigger source	CH1, CH2, CH3, CH4, External, Keyboard and Master
Trigger level	0-100% full input range
Trigger level resolution	0.025 % full scale
Pre trigger	1 to 131040 samples
Post trigger	1 to 131040 samples
Trigger delay	1 to 131040 samples
Trigger hysteresis	0-100% full input range
Trigger hysteresis resolution	0.025 % full scale

Auto disk measuring	1 to 1000 files
Auto setup	connect and show
Zooming	mouse windows control, gain vertical and gain horizontal
Cursor system	two cursor pairs, auto tracking, auto correct points
Cursor mode	large cursors, small cursors
Cursor measurements	rise time left rise time right sample time left sample time right sample time difference cursor frequency Voltage left Voltage right Voltage difference slew rate left slew rate right phase difference in Degrees, Radials or cos()

Voltmeter
Display channels	CH1, CH2, CH3, CH4
Display size	user selectable
Number of displays	1 to 12 user selectable
Frequency range	10 Hz to 10 MHz (model HS4-50MHz) 10 Hz to 2 MHz (model HS4-25MHz) 10 Hz to 2 MHz (model HS4-10MHz) 10 Hz to 1 MHz (model HS4-5MHz)
Full scale reading	2000 counts
Accuracy DC coupled	0.2 % ±10 counts
Accuracy AC coupled	0.3 % ±10 counts (10 Hz to 1 MHz) 0.7 % ±20 counts (1 MHz to 5 MHz) 2.5 % ±20 counts (5 MHz to 50 MHz) low frequency roll of frequency is 10 Hz
Measurements	True RMS, Peak-Peak, Mean, Max, Min, dBm, Power, Crest, Frequency, Duty cycle, Momentary value
Display mode	CH1, CH2, CH1*CH2, CH1/CH2, CH2/CH1, CH1-CH2, CH2-CH1, CH1+CH2, >then Hi, <then Lo, ><COMP, <> HI LO, MAX, MIN, LOG(CH1/CH2), LOG(CH2/CH1)
Measure units	Volt, Amp, °C, °F, Watt, %, Meter, Coulomb, Hertz, Bar, user defined
Relative	CH1, CH2, user defined value
Sound settings	No sound, 100Hz, 200Hz, 500Hz, 1kHz, 2kHz, and 10kHz
Data storage	direct on paper, on disk, on network
Acquisition hysteresis	user defined value

Transient recorder
Measuring channels	CH1, CH2, CH3, CH4
Measuring points	1 to 131040
Measure time between two points	0.01 sec to 500 sec
Measure time span	21 min to 750 days
Measure mode	scroll mode or scan mode
Cursor readout	see oscilloscope
Time reference	time of start, time of measuring, time difference

Spectrum analyzer
Display channels	CH1, CH2, CH3, CH4
Display mode	max mode, standard mode
Measuring mode	single shot, continuous
Sensitivity	200mV, 400mV, 800mV, 2V, 4V, 8V, 20V, 40V, 80V full scale
Vertical magnification	0.25x to 10x (12 bit) 0.25x to 40x (14 bit) 0.25x to 160x (16 bit)
Input coupling	AC/DC
Frequency axis	Logarithmic, linear, octaves or third octave
Octave range	22.1Hz to 22.6 kHz
Frequency range	0.01 Hz to 25 MHz (model HS4-50MHz) 0.01 Hz to 12.5 MHz (model HS4-25MHz) 0.01 Hz to 5 MHz (model HS4-10MHz) 0.01 Hz to 2 MHz (model HS4-5MHz)
Record length	32 to 32768 frequency components
Window functions	rectangular, Hanning, Hamming, Bartlett, Blackman, Parzen, Welch, Blackman-Harris
Averaging	1 to 256 measurements
Cursor readout	see oscilloscope
Total Harmonic Distortion	1 to 100 harmonics