OD-514B, OD-515B
OD-545B
OSCILOSCOPIOS DE DOBLE CANAL
DUAL-CHANNEL OSCILLOSCOPES
OSCILLOSCOPES DE DOUBLE CANAL
0 MI0852
Page 1: ...OD 514B OD 515B OD 545B OSCILOSCOPIOS DE DOBLE CANAL DUAL CHANNEL OSCILLOSCOPES OSCILLOSCOPES DE DOUBLE CANAL 0 MI0852...
Page 2: ...tions 18 4 2 2 Trace Rotation Adjustment 19 4 2 3 Probe Compensation 19 4 3 OPERATION METHOD 20 4 3 1 Single Channel Operation 20 4 3 2 Dual Channel Operation 21 4 3 3 ADD and SUBTRACTION Measurement...
Page 3: ...OD 514B OD 515B OD 545B INSTRUCTION MANUAL...
Page 4: ...age The CRT is a high beam transmission and high intensity type with a high acceleration voltage of 2 kV for OD 514B and 12 kV for OD 515B and OD 545B It displays clear readable traces even at high sw...
Page 5: ...L CH1 CH2 channels CHOP ALT are auto set by TIME DIV switch CHOP 0 5 s 5 ms DIV ALT 2 ms 0 1 Ps DIV When CHOP switch is pushed in the two traces are displayed in the CHOP mode at all range ADD CH1 CH2...
Page 6: ...Repetition frequency 50 Hz 40 MHz Repetition frequency 50 Hz 40 MHz EXT triggering signal input Input impedance Max input voltage 1 M 2 approx 35 pF 100 V DC AC peak AC Frequency not higher than 1 kH...
Page 7: ...ion voltage Approx 2 kV Approx 12 kV Effective screen size 8 x 10 DIV 1 DIV 10 mm 0 39 in CRT Graticule Internal continuous adjustable illumination OD 515B OD 545B only Cursor measurement functions V...
Page 8: ...to ensure safety Mains Power cord Observe all specified ratings both of supply and measurement Remember that voltages higher than 60 V DC or 30 V AC rms are dangerous Use this instrument under the sp...
Page 9: ...ls related with safety DIRECT CURRENT ALTERNATING CURRENT DIRECT AND ALTERNATING GROUND TERMINAL PROTECTIVE CONDUCTOR FRAME TERMINAL EQUIPOTENTIALITY ON Supply OFF Supply DOUBLE INSULATION Class II pr...
Page 10: ...ent temperature Wait for a while until the equipment reaches room temperature 2 Do not apply voltages that exceed the limits of probes or input connectors 2 3 Descriptive Examples of Over Voltage Cate...
Page 11: ...OD 514B OD 515B OD 545B INSTRUCTION MANUAL November 2000 Page 8...
Page 12: ...oltage can be selected from the mains socket Figure 1 Mains voltage change 1 Remove fuse holder lid 2 Fit the suitable fuse for the selected mains voltage 3 Replace the fuse holder lid aligning A mark...
Page 13: ...545B oscilloscopes have a movable handle for transport and for positioning the oscilloscope to obtain the best angle with the display To change handle position take the handle supports that are in co...
Page 14: ...OD 514B OD 515B OD 545B INSTRUCTION MANUAL November 2000 Page 11 4 INSTRUCTIONS 4 1Description of controls and elements Figure 2 OD 514B frontal panel Figure 3 OD 515B frontal panel...
Page 15: ...librated amplitude square wave of 2 Vp p at 1 kHz for probe adjustment and vertical amplifier calibration CRT 2 INTEN Control the brightness of the spot or trace The brightness increases when turning...
Page 16: ...rol 40 37 POSITION Vertical positioning control of the CH1 CH2 trace on the CRT display Clockwise turning shifts trace up and anticlockwise turning shifts trace down 39 MODE Select operation mode of C...
Page 17: ...circuit select connection of TV sync trigger circuit AC AC coupling DC DC coupling HF REJ Removes signal components above 50 kHz 3 dB TV The trigger circuit is connected to the TV sync separator circu...
Page 18: ...ime can be made slower by a factor 2 5 of the indicated value 34 POSITION Horizontal positioning control of the traces on the CRT display When turning this control clockwise the trace moves to the rig...
Page 19: ...div 100 ref PHASE Phase measurement 5 div 360 ref TRACK REF Press the button to select the cursor s to be moved The selected cursor is indicated by either a or symbol When both symbols are displayed...
Page 20: ...46 CH1 OUTPUT input Delivers the CH 1 signal with a voltage of approximately 100 mV per 1 DIV of graticule When terminated with 50 the signal is attenuated to about one half Suitable for frequency cou...
Page 21: ...LOPE 22 TRIG ALT 24 Released LEVEL LOCK 29 Pushed in HOLDOFF 31 MIN anti clockwise TRIGGER MODE 28 AUTO HORIZ DIS MODE 38 A OD 545B only TIME DIV 18 0 5 ms DIV SWP UNCAL 30 Released POSITION 34 Mid po...
Page 22: ...agraph is obtained Align the trace with the horizontal central line of the graticule by adjusting the CH1 POSITION control knob 40 Is the trace is not parallel to the central line adjust the TRACE ROT...
Page 23: ...although it adds flexibility it has no use when operating in single trace mode OD 514B OD 515B and OD 545B are set for single channel operation as follows 1 Set the following controls of the instrume...
Page 24: ...C signal so the AC coupling attenuates or distorts the signal set AC GND DC 11 or 15 selector to DC 4 3 2 Dual Channel Operation Dual Channel operation is the main operation mode of the OD 514B OD 515...
Page 25: ...to double channel operation as shown in 4 3 2 2 Make sure that VOLTS DIV 10 and 14 selectors are set to the same position and that VARIABLE 13 and 17 are set to CAL position If signal levels are very...
Page 26: ...ion the oscilloscope operates as an X Y scope with the CH1 signal for the X axis When the SOURCE switch is set to EXT position the oscilloscope operates in the EXT HOR 23 external sweep mode X Y Opera...
Page 27: ...aveform can be readily displayed on the CRT screen When in the DUAL or ADD operation the signal selected by the SO RCE switch 26 is used as the triggering source signal LINE The AC power line frequenc...
Page 28: ...ilter approximately 50 kHz 3 dB The higher components of the trigger signal are rejected and only the lower components are applied to the trigger circuit TV This coupling is for TV triggering for obse...
Page 29: ...egative going direction 4 Function of TRIG LEVEL control 30 LOCK 29 The function of this control is to adjust the triggering level and display a stationary image At the instant the triggering signal h...
Page 30: ...ering is made without requiring level adjustment although jitter may not be suppressed when in the ALT mode This automatic level lock function is effective when the signal amplitude on the screen or t...
Page 31: ...measured signal waveform by adjusting the HOLD OFF time sweep pause time of the sweep waveform The control covers at least one full sweep time for sweeps faster than 0 2 s DIV Figure 13 HOLD OFF time...
Page 32: ...ush button switches AUTO NORM and SINGLE are pushed out Apply the measured signal instead of the calibration signal to the vertical input 4 Depress the SINGLE button The sweep circuit is now in the re...
Page 33: ...rger the trace intensity becomes lower and the delay jitter increases To cope with these situations a continuously variable delay circuit and a triggering delay circuit are incorporated into the oscil...
Page 34: ...switch 38 to the B position 6 Change the HORIZ DISPLAY MODE switch 38 to the B position The B sweep time will be expanded for the full span of the CRT screen Figure 15 A B INTEN mode 2 B Triggering d...
Page 35: ...agraph 2 Engage the B TRIG D button 38 and if necessary adjust Trigger LEVEL control 30 Now B sweep is triggered by the same triggering pulse as the A sweep B sweep always starts at the previous or fo...
Page 36: ...on c Display the selected sensitivity from 1 mV to 5V Probe x10 from 10 mV to 50 V d y This sign is shown at X Y mode y2 sign is shown at DUAL X Y mode ADD SUB CH2 INV Display The ADD SUB and INV func...
Page 37: ...the REF cursor when the delta cursor is below the REF cursor c Display the measured value and its units V 0 04 V to 40 0 V 400 V for PROBE x10 NOTE When the V DIV VAR is set to uncalibrated position o...
Page 38: ...escription of the problem or the service required 5 2Mains fuse replacement Fuse holder is located in the mains socket To replace the fuse perform the following operations 1 Disconnect the mains cord...
Page 39: ...llowing POSITION IDENTIFIER CHARACTERISTICS F602 0 315 A T 250 V 5 x 20 mm for PCB 5 4Cleaning Recommendations CAUTION To clean the cover be sure the unit is turned off CAUTION Do not use scented hydr...
