
TechlabScientech820
6
TechnicalSpecifications
Oscilloscope
OperatingModes:
ChannelI, ChannelII, ChannelI&II
alternateorchopped(approximately
350 KHz), X-Yoperation(Ratio1:1
InputviaCHII),Add/SubCHI±CH
II,InvertCHII.
Verticaldeflection(Y):
Identicalchannels
Bandwidth: DC-30 MHz(-3dB)
RiseTime: 12ns(approximately).
Deflectioncoefficients:
Micro-controllerbased12 calibratedsteps
5mV/cm–20 V/cm(1-2-5sequence).
ElectronicControlDisplayonColorLCD
Accuracy: ±3%
InputImpedance:
1M || 30 pF(approximately)
Input: BNCConnector
Inputcoupling: DC-AC-GND
MaximumInputvoltage: 400 V(DC
+PeakAC).
TimeBase:
Timecoefficients: Micro-controller
based18 calibratedsteps,0.5 µs/cm-
0.2s/cm(1-2-5sequence).Electronic
controldisplayonColorLCD.
Accuracy: ±3%(incalposition)
Magnifier: X10
Sawtooth: 5Vpp approximately
HighestTBspeed:20 ns
Hold-Off: VariableControlforStable
Triggering.
TriggerSystem:
TriggerBandwidth: 40MHz
Modes: Auto/Level
Source: CHI, CHII,Alt-CHI&CHII,
Ext.
Slope: PositiveorNegative
Coupling: AC
Sensitivity: Internal0.5div, External0.8V
(approximately).
HorizontalDeflection(X): InputviaCHII
Bandwidth: DC-3MHz(-3dB).
X-Ymode: PhaseShift<3°at60KHz.
Deflectioncoefficients: Micro-controller
based12 calibratedsteps5mV/mc-20
V/cm(1-2-5sequence). ElectronicControl
DisplayonColorLCD
InputImpedance: 1M || 30 pF
(approximately)
Input: BNCconnector
Inputcoupling: DC-AC-GND
MaximumInputvoltage: 400V(DC+
PeakAC)
ComponentTester (BuiltinSingleTouch)
TestVoltage: Maximum8.6Vrms (Open
circuited)
TestCurrent: Maximum8mArms (Short
circuited)
TestFrequency: 50 Hz,Testcircuit
groundedtochassis.
ContinuityTester:
Beepersounds<75 (approximately).
DC PowerSupply:
FixedOutputVoltage:5V/500mA
± 12 V/250mA