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美國BK PRECISION1823A頻率計概述
2.4 GHz Universal Frequency Counter with Ratio Function
The model 1823A is a reciprocal 2.4GHz universal frequency counter that is microprocessor controlled. The LED display can provide nine digits of resolution using the internal 10s gate time. The high accuracy, sensitivity and versatility of this counter make it an extremely valuable instrument to scientists, engineers, experimenters and communications technicians.

美國BK PRECISION頻率計1823A?特點
+1PPM Time base stability
Trigger function
Frequency ratio measurement function
Time interval measurement function
External frequency standard input
Bright LED display
Attenuator
Period
Total
Low pass filter
Line filter
RS-232C Interface

BK PRECISION1823A美國頻率計選配件
BNC Breakout to Alligator Clips
美國BK PRECISION CC-21
Standard BNC to Alligator clips test leads.
50 ohm impedance RG58C/u cable 500Vrms voltage rating 40" cable length

USB to Serial （RS232） Adapter
美國BK PRECISION USB2RS
USB to serial converter to allow the connection of RS232 intstruments to a PC via a USB interface.
Supports both USB 1.1 and USB 2.0 interface Product that use a Null Modem/Cross cable will need to connect this adapter to the crossed cable Link to USB Driver

Right Angle escoping Antenna, BNC Connector
美國BK PRECISION AT 21

Function, Pulse, and Arbitrary Waveform Generator Carrying Case
美國BK PRECISION LC 40
Made in the U.S.A. Light weight, durable Cordura nylon Protects your instruments from damage Room to hold your test leads Perfect size to accommodate bench a Function Generator, Pulse Generator or Arbitrary Waveform Generator Approximate Internal Dimensions: 11 x 5.5 x 12" （279 x 140 x 305mm）

BK PRECISION美國頻率計系列產品
200 MHz Frequency Counter
美國BK PRECISION 1803D
Compact basic bench 7 digit LED display 200 MHz Frequency Counter with selectable 0.1 and 1.0 seconds gate times.

2.4 GHz Universal Frequency Counter with Ratio Function
美國BK PRECISION 1823A
2.4 GHz 9-digit LED display universal frequency counter with Ratio function for measuring the difference between two signals as well as all of the most commonly used counting functions.

3.5 GHz Multifunction Counter （Frequency, Period, Totalize）
美國BK PRECISION 1856D
Accurate 9-digit LED display bench multifunction counter with a wide 3.5 GHz measurement range, offering all of the most commonly used counting functions.