详细介绍
Frequency measuring range : 0.1Hz to 150MHz in A, B 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 controlledl 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～100MHz
Gate time	0.01s, 0.1s, 1s, 10s
Resolution	1nH～10Hz
Accuracy	【 resolution 【 time base 【 1 count
Terminal	A, B
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 【error 【 1 count accuracy trigger
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 【 time base error X time
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 【
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
物理特性
长度	260mm
宽度	255mm
高度	80mm
持有证书
	CE