產(chǎn)品詳細(xì)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 |
產(chǎn)品功能描述 |
|
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 |
Accessories |
power cord, fuse, operation manual, BNC cable |
Factory optional sel |
RS-232C interface / TCXO |
產(chǎn)品物理特征 |
|
長(zhǎng)度 |
260mm |
寬度 |
255mm |
高度 |
80mm |
產(chǎn)品持有證書(shū) |
|
|
CE | |