| 一、簡介 | 二、規格&特性 | 三、儀表&按鈕 | 四、調整&使用 | 五、基本問答 |
| The technical data are based on DIN regulations 43744, 43745 and 57411 as well as IEC 348. |
| Values without tolerances are meant to be guidelines an represent characteristics of the average instrument. |
| Specified tolerances are applicable for a temperature range between 15℃ and 30℃ following a warm-up time of approximately 15 minutes. |
2.1 AMBIENT CONDITIONS
| Ambient temperature Operating range | 5 . . . 40 ℃ |
| Nominal temperature (reference value) | +23 ℃ |
| Limits for storage and transport | -25. . . +70 ℃ |
| Relative humidity Nominal operating range I | 20 . . . 80% (no condensation) |
| Atmospheric pressure Nominal operating range I | 70. . .106 kN/m2 (up to an altitude of 2200 m) |
2.2 PHYSICAL STABILITY
Vibration test ace. to DIN 57411, sheet 1
| Test duration | 30 min |
| Peak-to-peak amplitude | 0.35 mm |
| Frequency range | 10Hz-55Hz-10Hz |
| Rate of frequency change | appr.1 octave per minute |
2.3 ELECTRICAL REQUIREMENTS
| The mains power supply complies with VDE regulations 0411 (DIN 57411), Part 1,10/73 and IEC 348,2. edition, 78, respectively. Protection class I* |
| Line voltage | 220,240,110VAC + 10% internally adjustable, voltage setting visible from outside. |
| Line frequency | 45. . .65 Hz |
| Power consumption | 35W |
| Protection class | I* |
*Refer to chapter Directions for Operation
2.4 MECHANICAL CONSTRUCTION
| Dimensions (incl. handle and legs) | W375mm,H160mm,D430mm |
| Housing | Sheet steel,flat design,with adjustable handle |
| Weight | appr.8.5kg |
2.5 CATHODE RAY TUBE
| Type | D 14-362 GY/93 or D 14/362 GM/93, make VALVO |
| Measuring screen | 100x80mm |
| Total acceleration | appr.2 kV |
| Beam rotation | by means of screw driver through front panel. |
2.6 Y AMPLIFIER 2 channels, electronically switchable
| Operating modes | CH 1 alone or CH 1 inverted CH 2 alone or CH 2 inverted alternating CH 1/CH 2 chopped CH 1/CH 2 (chopper frequency 250 kHz) addition ± CH 1 ± CH 2 X/Y mode (Xvia trigger source) |
| Frequency range(based on 6 cm deflection) | 0. . .20 MHz (-3 dB) |
| Rise time | ≦17.5nsec |
| Deflection factor | 12 steps: 5 mV/div . . .20 V/div ±3% 2 mV/div with fine control fully cw |
| Fine adjustment | with potentiometer, detent position fully
ccw for basic sensitivity,position fully cw calibrated x
2.5 (= 2 mWdiv) |
| Input impedance | 1 MΩ/25pF |
| Maximum input voltage | 400 V (peak value including DC voltage) |
| Maximum ripple of square pulse | ≦1% |
| Overshoot | ≦4% in reference to 6 cm deflection,measured with generator rise time 0.10 . . . 0.25Xtr, |
| Non-linearity | ≦5% overthe center 80% of the nominal deflection |
| Range of modulation | ≧7cm at 20MHz |
| Offset range | ± 6cm |
| Zero drift | ≦0.5mm/K in position CAL,following 30 min warm-up |
2.7 Compensation signal for divider probe
| Amplitude | appr. 1 Vpp |
| Frequency | appr. 1 kHz |
2.8 X AMPLIFIER
| Deflection factor Input impedance Zero drift | as with Y amplifier |
| Frequency range | 0...1 MHz(-3dB) |
| Phase shift | < 3º at 50kHz |
| Offset range | ≧± 4cm |
2.9 TIME SWEEP
| Deflection factor | 0.5 µ sec/div . . . 0.2 sec/div + 3% with 1/2/5 divisions |
| Range selection | with rotary switch |
| Fine adjustment | ≧1:2.5 |
| Non-linearity | ≦5% over the center 80% of the nominal deflection |
| Expansion | 10-fold, shortest time base 50 nsec/div |
| Expansion error | ≦2% additional inaccuracy in centre position of Offset potentiometer and 80% deflection |
| Trigger modes | AUTO with peak triggering from f>10Hz NORM TV frame TV line |
| Triggercoupling | AC DC LF (fg ~ 8 kHz) HF (fg ~ 10 kHz) |
| Trigger sources | CH1 CH2 LINE EXT |
| Triggering slope | Positive or negative, switchable |
| Trigger level | +6cm |
| Triggering sensitivity | Internal ≦1 cm at 20 MHz External ≦500 mV at 20 M Hz, NORM |
| Trigger signal indicator | Green LED |
2.10 X-RAY EMISSION
| The instrument is sufficiently screened for the X-ray radiation produced. The accelleration voltage is 2 kV maximum. |