描述
100ms积算定时器T250～T255的定时范围为0.1～3276.7s。X1的常开触点接通时(见图3–12)，T250的当前值计数器对100ms时钟脉冲进行累加计数。X1的常开触点断开或停电时停止定时，当前值保持不变。X1的常开触点再次接通或重新上电时继续定时，累计时间(t1+t2)为1055×100ms=105.5s时，T250的触点动作。因为积算定时器的线圈断电时不会复位，需要用X2的常开触点使T250强制复位。
HP AGILENT 1661C LOGIC ANALYZER 102 CHANNEL
HP/Agilent 44478A 1.3GHz Mux Module for 3488A
HP Agilent 11729B Noise Down Converter
One-day shipping available
Agilent HP 60501B Electronic Load Module
HP Agilent 85024-60014 Replacement Probe for 85024A
HP 5411OD Digitizing Oscilloscope – Nice!
HP AGILENT 8568B LOWER END OP H720 TESTED GOOD
HP Agilent 16542A 2MB 100MHZ State/Time Logic Analyzer
HP AGILENT 1050 Series SOLVENT TRAY Refurb A1
Enlarge
Agilent HP 85024A High-Frequency Probe, 300kHz to 3GHz
Includes Wooden Case, missing accesories
One-day shipping available
