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BK Precision 1823A 2.4GHz Universal Frequency Counter with Ratio Function



 
Our Price: $460.00

Quantity in Stock:1
Product Code: BK-1823A
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Description
 
Features:
  • +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

Description

The model 1823A is a reciprocal 2.4GHz universal frequency counter that is microprocessor controlled. The LED display can provide eight 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.

Input A Characteristics
Frequency Range0.1Hz to 100MHz (DC Coupled)
30Hz to 100MHz (AC Coupled)
Sensitivity0.1Hz to 100MHz: 30mV
CouplingAC or DC Selectable
Impedance1 MΩ Resistance, Shunted by <40pF
Attenuatorx 1 or x 10 Switch Selectable
Low Pass Filter-3dB Point of 100kHz, Switch Selectable
Trigger Level+350mV to -350mV (Preset 0V)
SlopePositive or Negative Slope Switch Selectable
* Note: Trigger error is typically ±0.3% of reading by the number of cycles averaged for input signals having better than 40dB S/N ratio and greater than 100mV amplitude.
Input A Characteristics
Time Base SelectorINTEXTINTEXTINTEXTINTEXT
Gate Time0.01S0.1S1S10S
Number of Displayed Digit56677889
Frequency (Input A, B)Resolution
0.1 Hz-0.99 Hz10 µHz1 µHz1 µHz0.1 µHz0.1 µHz10nHz10nHz1nHz
1 Hz-9.9 Hz0.1 mHz10 µHz10 µHz1 µHz1 µHz0.1 µHz0.1 µHz10nHz
10 Hz-99 Hz1 mHz0.1 mHz0.1 mHz10 µHz10 µHz1 µHz1 µHz0.1 µHz
100 Hz-999 Hz10 mHz1 mHz1 mHz0.1 mHz0.1 mHz10 µHz10 µHz1 µHz
1 kHz-9.9 kHz0.1 Hz10 mHz10 mHz1 mHz1 mHz0.1 mHz0.1 mHz10 µHz
10 kHz-99 kHz1 Hz0.1 Hz0.1 Hz10 mHz10 mHz1 mHz1 mHz0.1 mHz
100 kHz-999 kHz10 Hz1 Hz1 Hz0.1 Hz0.1 Hz10 mHz10 mHz1 mHz
1 MHz-9.9 MHz100 Hz10 Hz10 Hz1 Hz1Hz0.1 Hz0.1 Hz10 mHz
10 MHz-99 MHz1 kHz100 Hz100 Hz10 Hz10 Hz1 Hz1 Hz0.1 Hz
100 MHz10 kHz1 kHz1 kHz100 Hz100 Hz10 Hz10 Hz1 Hz
Accuracy± Time base Error ± Resolution (Table 1)
Period Range10 nS to 10 S
Displayn. u. m., Sec with decimal point
Total Range
Capacity
Over Flow
DC to 30 MHz
0 to 999 999 999
"OF"
Input B Characteristics
Frequency Range0.1Hz to 100MHz (DC Coupled)
30Hz to 100MHz (AC Coupled)
Sensitivity0.1Hz to 100MHz: 30mV
CouplingAC or DC Selectable
Impedance1 MΩ Resistance, Shunted by <40pF
Attenuatorx 1 or x 10 Switch Selectable
Low Pass Filter-3dB Point of 100kHz, Switch Selectable
SlopePositive or Negative Switch Selectable
* Resolution and Number of displayed digit (Table 1): Same as Input A
* Max. Input Voltage Level (Fig. 1): Same as Input A
Time Interval (A -> B)
Range0.1 µSec-10Sec (0.1Hz-10MHz)
LSD100nSec
Resolution± LSD ± Trigger Error*
Accuracy± LSD ± Trigger Error ± Time base error x T.I
Multiplier1, 10, 100, 1000 (Gate Time: 10S, 1S, 0.1S, 0.01S)
Ratio (A/B)
Range0.1Hz to 10MHz (input A)
0.1Hz to 10MHz (input B)
Resolution± LSD ± (B Trig. Error x Freq. A)/N
Accuracy±1 Count of A ± B Trig. Error x Freq. A
Input C Characteristics
Frequency Range80 MHz to 2.4 GHz
Sensitivity25mV from 80 MHz to 150 MHz
20mV from 150 MHz to 2.0 GHz
60mV from 2.0 GHz to 2.4 GHz
CouplingAC only
Impedance50 Ω ± 5%
Max. Input Level3 Vrms sine wave
Resolution and Number of Displayed Digit
Time Base SelectorINTEXTINTEXTINTEXTINTEXT
Gate Time0.01S0.1S1S10S
Number of Displayed Digit56677889
Frequency (Input C)Resolution
80 MHz-99 MHz1 kHz100 Hz100 Hz10 Hz10 Hz1 Hz1 Hz0.1 Hz
10 kHz1 kHz1 kHz100 Hz100 Hz10 Hz10 Hz1 Hz
100 kHz10 kHz10 kHz1 kHz1 kHz100 Hz100 Hz10 Hz
Time Base Characteristics
TypeTCO (Temperature controlled oscillator)
Frequency10.000000 MHz
Stability±1 PPM (±1 count)
Line Voltage StabilityLess than ±1 PPM with ±10% line voltage variation
Temperature Stability±5 PPM from 0°C to 50°C
Max. Aging Rate±5 PPM/year
Int. Std. Out10 MHz (internal standard frequency output)
Level1 Vpp or more
ImpedanceApprox. 600 Ω
Ext. Std. In10 MHz (external standard frequency input)
Level1.5 Vrms to 5 Vrms
ImpedanceApprox. 600 Ω
Display Characteristics
DisplayNine Digit 0.56" LED with M/n, k/µ, Hz, m, Sec, G.T., Hold, and "OF" indicators. Function and Gate time: User Selected. "OF" Display shown when Count exceeds 999 999 999
HoldIn Frequency and Period, TOTAL. Mode measurement in progress is stopped, and the last complete measurement is displayed. When Hold is released, a new measurement begins
Gate TimeDepending on input frequency
<10mS------------Somewhere between 0.9 and 9mS
<0.1S--------------Somewhere between 9 and 90mS
<1S-----------------Somewhere between 90 and 900mS
<10S---------------Somewhere between 0.9 and 9S
Note: Last Measurement Display will remain for 10 Seconds after SIGNAL OFF
Dimensions and Weight
Dimensions (W x H x D)3.4 x 3.5 x 10.6" (240 x 90 x 270mm)
WeightApprox. 5.5 lb (2.5 kg.)
Equipment Ratings
Plug and Socket3 wire AC power plug and 3 wire outlet
Power & Fuse Ratings
Input VoltageFusePower Max.
103 ~ 126V AC (50/60Hz)F 0.5A / 250V15 W
206 ~ 252V AC (50/60Hz)F 0.2A / 250V
Operating Environment
Temperature0°C to +40°C (Accuracy Specified at 23°C ± 5°C)
Humidityup to 85% RH (Relative Humidity) to 40°C without temperature extremes causing condensation within the instrument
Storage Environment
Temperature-20°C to +70°C
Humiditybelow 85% RH
General
Insulation Category IIPortable equipment of local level
Pollution Degree2
Protection to IEC 529Ordinary

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