| 商品简介： |
| Frequency measuring range : 0.1Hz to 150MHz in A input Period / Total / RPM measurement for input A 9 digit display with 0.01mHz resolution in 1 sec. High sensitivity external reference input function (higher than 20mVrms) Microprocessor cont |
详细说明： |
 |
|
Frequency measuring range : 0.1Hz to 150MHz in A input
Period / Total / RPM measurement for input A
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 |
|
|
| 物理量 |
参数值 |
| Display |
9 digit large green LED display(Overflow, gate time, mHz, Hz,kHz, MHz, ns, µs, s, hold) |
| Range |
0.1Hz ~ 100MHz |
| Gate time |
0.01s, 0.1s, 1s, 10s |
| Resolution |
1nH ~ 10Hz |
| Accuracy |
【 resolution 【 time base 【 1 count |
| Terminal |
A |
| 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 |
| 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 |
| Internal time base |
10MHz TCO frequency, 3 X 10-7/ month, under 5 X 10-6 (0 + 50∩) |
| variation |
temperature stability, under 1 X 10-7for 10%；line voltage |
| Frequency output |
10MHz frequency / 2.5Vp-p amplitude / 500з impedance |
| External input |
10MHz frequency / 20mVrms ~ 5Vrms input level / 500з impedance |
| Operating environments |
0∩～50∩ |
| Range for guaranteed |
25∩【 5∩ |
| Power requirement |
AC 115 / 230V 【 10%, 50/60Hz |
| Accessories |
power cord, fuse, operation manual, BNC cable |
| Factory optional sel |
RS-232C interface / TCXO |
| 外形大小 |
255mm*80mm*260mm |
| 证书 |
CE | |
|
|
| 证书:CE | |
|
|
|
|
|