BK Precision 1823B

Our Part No. 1823B

Mfr. Model 1823B

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BK Precision 1823B

Our Part No. 1823B

Mfr. Model 1823B

The BK Precision 1823B Portable Universal Frequency Counter is a compact instrument with multiple input channels designed for versatile frequency measurements. Input A offers flexible signal conditioning, configurable coupling, input impedance, attenuation, threshold, and active edge.

Frequency Range: 0.001 Hz to 3 GHz
Resolution: 10 digits
Time Base Stability: ±1 ppm
Remote Interface: USB (VCOM)

Datasheet

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Key Features

Designed for versatile frequency measurements
Ideal for electronic component manufacturing and verification/validation of oscillators
Supports frequency, period, ratio, pulse width, and event counting measurements
Performs frequency ratio measurement function, time interval measurement
Equipped with high-quality temperature-compensated internal frequency reference
Provides exceptional stability and accuracy with low aging rate of ±1 ppm
Multiple input channels allow for precise measurements across broad spectrum of frequencies
Input A offers flexible signal conditioning, configurable coupling, input impedance, attenuation, threshold, and active edge
Utilizes reciprocal counting technique to provide high resolution at all frequencies
Selectable measurement time of 100s/10s/1s/0.3s
Portable design easily fits onto any bench space
10-digit display resolution with 0.5 in. LCD
HOLD button freezes last measurement taken
Battery indicator displays when battery is low
Internal rechargeable batteries allow for up to 24 hours of operating life
Continuous AC operation with AC charger
Remote control with USB (VCOM) interface

Specifications

Standard Channels

Frequency Range: 0.001 Hz to 3 GHz
Impedance: 1 MΩ (up to 125 MHz) or 50Ω

Time Base

Measurement Clock: 50 MHz
Internal Reference: 10 MHz (TCXO)
Temperature Stability: ±1 ppm (5°C to 40°C)
Initial Error: Less than ±0.2 ppm (25°C)
Aging Rate: Less than ±1 ppm/year

Characteristics

Frequency Resolution: 8 digits/s
Maximum Display Resolution: 10 digits
Battery Power: 24 hours

General

Display: 0.5 in. LCD
Standard I/O Interfaces: USB (VCOM)
Warranty: 3 years

Details

The BK Precision 1823B Portable Universal Frequency Counter is a compact instrument designed for versatile frequency measurements. Featuring a clear 0.5 inch LCD, this counter measures a wide frequency range from 0.001 Hz to 3 GHz and supports frequency, period, ratio, pulse width, and event counting measurements.

Equipped with a high-quality temperature-compensated internal frequency reference, this counter provides exceptional stability and accuracy. A low aging rate of ±1 ppm is applied across the entire temperature range.

Multiple input channels allow for precise measurements across a broad spectrum of frequencies. Input A offers flexible signal conditioning with configurable coupling (AC or DC), input impedance (1 MΩ or 50Ω), attenuation (1:1 or 5:1), threshold (fully variable), and active edge.

For frequency, period, and ratio functions, the instrument uses a reciprocal counting technique to provide high resolution at all frequencies. 8 significant digits are produced in a measurement time of 1 second, 9 digits are produced in 10 seconds, and 10 digits are produced in 100 seconds.

The 1823B also includes a USB interface that enables remote control and device power via the user's PC. Additional powering options include continuous AC operation with the supplied AC charger or for up to 24 hours of operation while connected to battery power.

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