Немски, двуканален осцилоскоп HAMEG HM 203-4
Донесен от Германия и работи без проблеми.
Комплект със захранващ кабел и две чисто-нови сонди с делители, "кукички" и щипки "маса"
Vertical Deflection (Y)
Bandwidth of both channels
DC to 20MHz (-3dB), DC to 28MHz (-6dB).
Risetime: «17.5ns. Overshoot: max. 1%.
Deflection coefficients: 1 2 calibr. steps,
5mV/cm to 20V/cm in 1-2-5 sequence,
with variable control uncal. 1:2.5 to 2mV/cm
Accuracy in calibrated position: ±3%.
Input impedance: 1 MQ II 28 pF.
Input coupling: DC-AC-GND.
Input voltage: max. 500V (DC + peak AC).
Operating modes
Channel I, Channel II, Channel I and II
alternate or chopped (chop freq. « 1 MHz),
sum or difference Ch. II ± Ch. I
(with Invert button for Channel I).
Timebase
Time coefficients: 18 calibrated steps,
0.5//s/cm to 0.2s/cm in 1 -2-5 sequence,
with variable control uncal. 1:2.5 to 0.2,us/cm,
with 5x magnification uncal. to 40ns/cm.
Accuracy in calibrated position: ±3%.
Trigger System
Modes: Auto or Normal (with level adj.).
Slope: positive or negative.
Sources: Ch. I, Ch. II, line, external.
Coupling: DC-AC-HF-LF (TV frame).
Threshold: internal 5mm, external 0.6V.
Bandwidth: DC up to 40MHz.
Horizontal Deflection (X)
Bandwidth: DC to 2.5MHz (-3dB).
Input: via Channel II (see Y deflection spec.).
X-Y phase shift: <3° up to 300kHz.
Component Tester
Test voltage: max. 8.5Vrms (open circuit).
Test current: max. 24mArms (shorted).
Test frequency: 50-60Hz (line frequency).
Test connection: 2 banana jacks 4mm dia.
One test lead is grounded (Safety Earth).
General Information
Cathode-ray tube: D14-362 P43/93 (med.),
P7/93 optional (long decay characteristic),
rectangular screen, internal graticule 8x1 Ocm.
Accelerating potential: 2000V.
Trace rotation: adjustable on front panel.
Calibrator: square-wave generator « 1 kHz
for probe compensation. Output 0.2V ±1 %.
Regulated DC power supplies: all operating
voltages including the high voltage.
Protective system: Safety Class I (IEC 348).
Line voltages: 110, 125, 220, 240V AC.
Permissible line fluctuation: ±10%.
Line frequency range: 50 to 60Hz.
Power consumption: 36 Watts (approx.).
Weight: 7kg (approx.). Color: techno-brown.
Cabinet (mm): W 285, H 145, D 380.