| 詳細介紹 | |
Frequency measuring range : 0.1Hz to 150MHz in A, B input and 50MHz ~ 1.5GHz in C input
Trigger level adjustment for input A
Separate and common mode selectable for input A and B
Period / Total measurement for input A
Time interval and ratio measurement for input A and B
Slope mode selectable for input A and B
9 digit display with 0.01mHz resolution in 1 sec.
High sensitivity external reference input function (higher than 20mVrms)
Microprocessor controlled
Reciprocal technique for high resolution at low counting frequency
Self check function executed to perform an automatic self diagnosis of various counter function
Push-scanning for selecting function and gate time
Low-pass filter(100kHz, -3dB) installed for removing noise signal in low frequency measuring
AC/DC coupling function (selectable X1 / X10 attenuator)
Data hold function
Optional RS-232C serial interface function for communication with computer |
| 功能描述 | |
| Display | 9 digit large green LED display(Overflow, gate time, mHz, Hz, kHz, MHz, ns, µs, s, hold) |
| Range | 0.1Hz～1.5GHz |
| Gate time | 0.01s, 0.1s, 1s, 10s |
| Resolution | 1nH～10Hz |
| Accuracy | 【 resolution 【 time base 【 1 count |
| Terminal | A, B, C |
| Sensitivity | 20mVrms A, B input / 30mVrms C input |
| Impedance | 1Mз < 40pf="" a,="" b="" input="" 50з="" c="" input=""> |
| Max. voltage | 250Vrms A, B input / 3Vrms C input |
| Attenuator | X 1, X 10 A, B input |
| Slope | A, B + or – selectable |
| Trigger | A preset or variable |
| Low pass filter | 100kHz(-3dB) A, B input |
| Period | 10ms ~ 10s range with 1ps ~ 1ns resolution / 【 |
| resolution | 【 trigger error 【 1 count accuracy |
| Totalize | 5Hz ~ 30MHz range / 0 ~ 999999999(Max) |
| RPM | 6 ~ 900 X 106 RPM |
| Time | interval (A ℃ B) 1µs ~10s range / 100ns LSD display/【 LSD 【 trigger error resolution/ accuracy : 【 LSD 【 |
| trigger error | 【 timebase error X time interval / 1, 10, 100, 1000 multiplier |
| Ratio | (A/B) 0.1Hz ~ 10MHz A input range, 0.1Hz ~ 10MHz B |
| input | range/ 【 LSD 【 (trigger error X frequency A)/N |
| resolution/ accuracy : | 【 1count of A 【 B trigger error 【frequency A |
| Operating | environments 0∩～50∩ |
| Range for guaranteed | 25∩【 5∩ |
| Power | requirement AC 115 / 230V 【 10%, 50/60Hz |
| Factory | optional sel RS-232C interface / TCXO |
| Accessories | power cord, fuse, operation manual, BNC cable |
| 物理特性 | |
| 長(cháng)度 | 260mm |
| 寬度 | 255mm |
| 高度 | 80mm |
| 持有證書(shū) | |
| | CE |
| |
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