Frequency Counter:

HP/Agilent 5385A Frequency Counter, 10 Hz to 1.0 GHz. Opts: 004 (High Stability Oven Timebase)

HP/Agilent 5385A Frequency Counter, 10 Hz to 1.0 GHz. Opts: 001 (TCXO (5385A STD))

Fluke 8400A Frequency Analyzer. Opts: 02/07

Tenma 72-460 Multi-Function Frequency Counter, 10 Hz -1.6 GHz.

HP/Agilent 5340A Frequency Counter 10Hz-18.0Ghz Opts: 001/011/H10 (Nixi)

HP/Agilent 5342A Frequency Counter, 10 MHz to 18 GHz.

HP/Agilent 5342A Frequency Counter, 10 MHz to 18 GHz.

HP/Agilent 5351A Microwave Frequency Counter, 10 Hz to 26.5 GHz.

HP/Agilent 5300A Measuring System Mainframe.

HP/Agilent 5300B Measuring System Mainframe.

HP/Agilent 5305A Frequency Counter, Clamshell Style Module.

HP/Agilent 5383A Frequency Counter, 10 Hz to 520 MHz.

Ballantine 9648M Digital Counter.

EIP 548B Microwave Frequency Counter, 10Hz-26.5 GHz Opts: WB70

HP/Agilent 5383A Frequency Counter, 10 Hz to 520 MHz. Opts: 001 (TXCO)

HP/Agilent 5385A Frequency Counter, 10 Hz to 1.0 GHz.

Fluke 1900A Multi-Function Frequency Counter, 6-Digit LED Display. Frequency to 80MHz, Period to 1MHz

Fluke 1911A Multi-Function Counter, 7-Digit.

Tektronix CFC250 Frequency Counter, 100 Mhz.

Tektronix DC501 Digital Counter Module , 110 MHz.

Wavetek 5100 Programmable Frequency Synthsizer, Dc to3 Mhz.

Stanford Research Systems SR400 Gated Photon Counter, DC to 300 MHz.

Systron Donner 8132-877 Time Code Reader, Opts: A12B/E13/D15

Tektronix DC502 Frequency Counter module 550Mhz for TM 500 series.

Tektronix DC508A Frequency Counter module,1.3 Ghz.For TM 500 series.