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Related Manuals for Hitachi V-209
Summary of Contents for Hitachi V-209
- Page 4 NOTE This instrument should be adjusted at an ambient temperature of +20°C for best overall accuracy. Allow at least IS minutes warmup before proceeding. Polyvinyl chloride (PVC) film is attached on the enclosure and the front panel of the oscilloscope to protect the metal surface. If the PVC film is damaged by scratches, remove it.
- Page 5 FEATURES (6) Auto focusing: Focusing shift is automatically corrected. The Hitachi V- 209 is a handy-type, advanced-class oscillo scope with a bandwidth of DC to 20 designed with the emphasis on operability and portability and has a following features. (I) Wide bandwidth: MHz.
- Page 6 PRECAUTIONS 35 85�. The operating ambient humidity is Since an accidental antrusion of water may also cause Precauuon� to be observed to lengthen the service life of troubles, do not place a water-filled containers such as a :hb 10 trument. vase on the oscilloscope.
- Page 7 apply a heavy shock to the oscilloscope. Do not insert a wire, pin, etc. through the ventilation hole. Do not drag the set, leaving the probe attached to it. Handle The handle of the V- 209 be positioned for carrying or as a tilt-stand for the instrument.
- Page 8 When not in U!>e When not m u:.e, put the dust-proof cover on the mstrumcnt aud store 11 with care. When the panel surface stained, remove the stain in sm1ilar way with a clean, soft cloth. When heavy stains are present, first remove the stains by w1pmg the surface lightly with a cloth moistened with diluted neutral wash...
- Page 9 DC power source to the ed on 200AC voltage, set the selector switch to 200 V AC. V-209. If not, it is very dangerous because a large current (Rated voltages are marked above the power connector on nows through the grounded line.
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Page 10: Controls And Connectors
CONTROLS AND CONNECTORS V-2 09 (I) Power supply and Operating voltage and fuse Thts model can be operated from e11her 3 100 volts or a :!00 volts nominal line vohage source. The line voltage select switch on the rear panel, turn the instrument from Grounded line one operating range to the other. - Page 11 When charging BATT CI-IARGC Lxternal DC operation (AD-209) V-209 can be operated by e'temaliX l>Ource (II to 14 volts) II to 14V IS supphed via EXT DC I PUT connector. tillS case, DC source IS supphcd by the attached external DC cable.
- Page 12 Front View...
- Page 13 Rear View...
- Page 14 POWER switch Power source select switch After checking the line voltage select switch, set POWER Used to select the power sources. switch set to OFF and then connect the AC cord to AC Operated with the AC power source wall socket. Operated with the AD-209 or external...
- Page 15 INPUT connector VARIABLE controls Fine tuning device is used to vary the vertical deflection Thr same as CHI, but when the instrument is used as an sensitivity continuously. Attenuation of less than 1/2.5 X- Y oscilloscope, the signal input to this terminal is obtained when this device is rotated in the reverse becomes the Y -axis signal.
- Page 16 AL T Signals applied respectively (3) Controls of horizontal deflection system appear on the screen alternatively at each sweep. TIME/DIY �lect switch This setting is used when the sweep time is short in Sweep time ranges are 18 steps from 0.5 psjdiv to 0.2s/ 2-channel observation.
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Page 19: Battery Operation
IO.SV, the power of the CAL O.SV tip V-209 is off automatically to prevent the over Output terminal of calibration square wave of about discharge of the AD-209. kHz and O.SV. It has a tip terminal. It is used to cali... - Page 20 Charging of battery When a battery stored for an e'tended period is chargr it for IS hours used onne..:t the \C cord 10 AC ou tlet and set the The hfe or the battery pack IS subject to the am 1.') ,\(-DC swnch to DC and the...
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Page 21: Trig Source
HOW TO PRODUCE THE BRIGHT LINE Then connect the battery pack connector to the connector of the oscilloscope. Before turning 0 the POWER switch. insure the power Mount the plate with screws. supply voltage is within the range of 90-J30V for AC IOOV Fix the upper enclosure on the oscilloscope with set. -
Page 22: Trig Level
If the instrument is not used with the power supply turned GENERAL MEASUREMENT on. rotate the I TENsity counterclockwise to reduce the I n the case of observing a single waveform. brightness and also blur the FOCUS. Use CHI or CH2 when not observing the phase difference NOTE between two waveforms or when engaging in a operation For usual observation, leave the following non-calibrating... - Page 23 MODE Switch of Vertical Axis METHOD FOR CONNECTING SIGNALS TRIG OURCE The first step of measurement is to introduce the signal When observing two wavefonns desired to measure to the oscilloscope properly. Do it with Observation of two wavefom1S can be made easily by utmost care.
- Page 24 Connection of earth lead wire If the wavefonn is as shown in Fig. (b) or Fig. (c), rotate the semiftxed adjusting screw on the matching box of the probe by using a screwdriver until the opti mum state is obtained. Capacitance correction trimmer MJUl MM JliUlJ1...
- Page 25 a capacity of about I pF per meter. its effect on the In general. tt tS safe to avoid measunng with non circutt to be measured cannot be ignored. Use a probe to shielded connecting wire. When using a shieldmg wire, minimize the cffection the circuit.
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Page 26: Measuring Procedure
8. MEASURING PROCEDURE DC voltage (after shifting) The first things to do are as follows. Bring the brightness and FOCUS at optimum positions for easy read out. Check the capacity correction when using a probe. (Refer to paragraph (I) "When using a probe" of Sec Zero level (reference line) tion 7. - Page 27 ---- - - - - Time A Time B (4) Measurement of time difference Measurement of frequency and period Triggering signal source is selected as an offer ''SOURCE" This will be explained with the following figure. ing reference signal when measuring the time difference be One period covers the time A and time B, which are sepa...
- Page 28 period, pay the same attention as given to high frequency This means that CHI is used as the triggering signal when signals when handling it. Accordingly, use a probe or coax investigating the length of time by which the signal of CH2 ial cable and shorten the earth lead wire as much as possible.
- Page 29 Trigger level 0.35 �Lting line � f c : Frequency band (Hz) Where, tr: Rise time (a) Signal waveform The rise time and fall time are determined by the time elapsed between the I 0'1 to 9Qc,r \'a lues of pulse width. (b) When the uiggc (c) When the uigger...
- Page 30 Difference in the circuits Exclusive circuit for this instrument Exclusive circuit for conventional oscillograph (Principle drawing) Simple synchronizing TV exclusive synchronizing General circuit circuit separator circuit Video �ignal To tri g ger circuit To trigger circuit To trigger cucuit Hard synchronize, because Synchronization is more easily...
- Page 31 ADJUSTMENTS Operation The ATT balance of the '-Crtkal "''scan be made easily. CH� ct the input couphng �\Htchc of C Ill .tiiJ G:-.:D and set the TRIG MODI to \L ro. 1 hen posn10n the bright line to the center. Turn the VOLTS DIY switch to SmV �...
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Page 33: Vertical Deflection System
voltage SOV (DC + peak AC) Maximum input Input impedance Coupling MS1 ± 1.5c;( in parallel with 30 ±3pF VERTICAL DEFLECTION SYSTEM (2 identic� �h Maximum input voltage AC') 250V (DC+ peak or SOOVp-p A(' at I kHz or less Bandwidth and rise time DC to at least 20 MHz and rise time 17.5 ns or less. -
Page 35: Dimensions And Weight
Approx. 4.5 kg ( 10 lbs) POWER SUPPLY FUSE VOLTAGE {S0/60Hz) Accessory pouch I OOV (90 130V) Hood O.SA 200V (180-260V) Shoulder belt SO, 60, 400Hz Power supply frequency: AD- 209 type Battery Power consumption: Approx. 18W Batteries I 0 rechargeable EXT DC power supply: II V - 14Y Approx. - Page 36 1 2. EXTERNAL VIEW ..• • 000000 UniL: '10D EL YiC\� SIDE view...
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Page 46: Optional Accessories
Mount the triangle band clasps on the positions 14. OPTIONAL ACCESSORIES shown in the figure, using the screws a). Shoulder belt Then, hang the clasp mounted across the shoulder Check the following parts packed along with the should belt (No. 810 1) into the triangle clasps mounted as er belt (No.