The Keysight (formerly Agilent) 53210A is a single-channel RF frequency counter optimized for fast, precise frequency measurements. It offers a standard base bandwidth of 350 MHz with 10 digits/second resolution, and is expandable up to 15 GHz via optional microwave channels. The instrument features a 4.3-inch color graphical display, internal memory for 1 million readings, and standard USB and LXI-C/LAN interfaces.

Specifications

General

ParameterValue
InterfacesLAN (LXI-C), USB 2.0 standard; GPIB optional
Display4.3-inch color graphical display
Warm-up Time45 minutes
Calibration Interval1 year

Physical

ParameterValue
Power Supply100 - 240 VAC @ 50/60 Hz; 100 - 120 VAC @ 400 Hz; 90 VA max
Operating Temperature0 to 55
Dimensions (W×H×D)261.1 x 103.8 x 303.2
Weight3.9

General Measurement Characteristics

ParameterValue
Frequency Resolution (Digits per Second)10 digits/s

Input Characteristics (Standard Channels)

ParameterValue
Number of Standard Channels1
Standard Channel Frequency RangeUp to 350 MHz

Input Characteristics (Optional Microwave Channel)

ParameterValue
Optional Microwave Channels6 GHz or 15 GHz (by option)

Math, Statistics, and Data Management

ParameterValue
Trend Plot / Histogram DisplayYes
Math OperationsBuilt-in math analysis
Internal Memory Capacity (Readings)1,000,000
Non-Volatile Storage (USB Flash Drive Support)Yes

Connectivity and Programming

ParameterValue
Standard InterfacesUSB 2.0, LAN
Optional InterfacesGPIB
LXI Compliance ClassLXI-C
Native Programming Language (SCPI)Yes

Physical and Power Specifications

ParameterValue
Battery Option AvailabilityOptional Lithium-Ion Battery (supports remote usage and timebase warmup)

Inputs & Outputs

ParameterValue
Input CouplingAC or DC (selectable)
External Reference Input Frequencies1 MHz, 5 MHz, 10 MHz
Timebase Output Frequency10 MHz
Channel 1 Input ConnectorBNC (female)
Microwave Channel Connector (Opt 106 / 115)Type-N (female)

Environmental

ParameterValue
Storage Temperature-30°C to 70°C
Maximum Operating Altitude3,000 meters (9,842 ft)

Power

ParameterValue
AC Mains Voltage Range100 V to 240 V ±10% (50/60 Hz); 100 V to 120 V ±10% (400 Hz)
Maximum Power Consumption90 VA max

Compliance

ParameterValue
EMC ComplianceIEC 61326-1, EN 61326-1
Safety ComplianceIEC 61010-1, EN 61010-1

Technology

Frequency Counter

Applications

RF Frequency Measurement