The Keysight 34465A is a high-performance 6½ digit Truevolt digital multimeter (DMM) offering exceptional measurement accuracy, speed, and resolution. Equipped with a 4.3-inch color graphics display, it provides advanced analysis capabilities including trend charts and histograms. Designed as a direct successor to the industry-standard 34401A, the 34465A features reading speeds up to 50,000 readings per second and memory expansion up to 2 million readings with optional upgrades, making it ideal for benchtop R&D and high-throughput automated test environments.

Specifications

General

ParameterValue
InterfacesUSB 2.0, LAN (10/100 Base-T), GPIB (optional via Option GPB)
Display4.3-inch color TFT WQVGA (480 x 272) with histogram, bar chart, and trend chart modes
Warm-Up Time60 minutes

Physical

ParameterValue
Power Supply100 V / 120 V / 220 V / 240 V ±10%, 45 Hz to 66 Hz, 360 Hz to 440 Hz; 75 VA maximum
Operating Temperature0 to 55
Dimensions (W×H×D)261.2 × 103.8 × 303.2
Weight3.76

Resolution and Display

ParameterValue
Digits of Resolution6.5 digits
Display TypeColor TFT
Maximum Count1,200,000
Dual Display SupportYes

DC Voltage

ParameterValue
DCV Ranges100 mV, 1 V, 10 V, 100 V, 1000 V
DCV Best 1-Year Accuracy0.0030% of reading + 0.0005% of range
DCV Maximum Resolution100 nV
DCV Input Impedance10 MΩ ±1% (all ranges); >10 GΩ selectable (100 mV, 1 V, 10 V ranges)
DCV Normal Mode Rejection Ratio (NMRR)60 dB at 50 Hz, 60 Hz (with 1 PLC or greater)
DCV Common Mode Rejection Ratio (CMRR)140 dB (for 1 kΩ imbalance in LO lead)
DCV Linearity0.0002% of reading + 0.0001% of range
DCV Input Bias Current<30 pA at 25 °C

AC Voltage

ParameterValue
ACV Measurement TypeTrue RMS
ACV Ranges100 mV, 1 V, 10 V, 100 V, 750 V
ACV Frequency Range3 Hz to 300 kHz
ACV Best 1-Year Accuracy0.06% of reading + 0.03% of range (at 10 Hz - 20 kHz)
ACV Maximum Resolution100 nV
ACV Input Impedance1 MΩ ±2% in parallel with <100 pF
ACV Maximum Crest Factor10:1 at up to 10% of range; 3:1 at full scale

DC Current

ParameterValue
DCI Ranges1 µA, 10 µA, 100 µA, 1 mA, 10 mA, 100 mA, 1 A, 3 A, 10 A
DCI Best 1-Year Accuracy0.05% of reading + 0.005% of range (on 10 mA, 100 mA ranges)
DCI Maximum Resolution1 pA
DCI Input Protection11 A, 1000 V FAST fuse (10 A terminal); 4 A, 500 V FAST fuse (3 A terminal)

AC Current

ParameterValue
ACI Measurement TypeTrue RMS
ACI Ranges100 µA, 1 mA, 10 mA, 100 mA, 1 A, 3 A, 10 A
ACI Frequency Range3 Hz to 10 kHz
ACI Best 1-Year Accuracy0.10% of reading + 0.04% of range
ACI Maximum Resolution100 pA

Resistance

ParameterValue
Resistance Measurement Configurations2-wire and 4-wire
Resistance Ranges100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ, 1 GΩ
Resistance Best 1-Year Accuracy0.008% of reading + 0.001% of range (on 10 kΩ range)
Resistance Maximum Resolution100 µΩ
Maximum Test Current1 mA
Offset CompensationYes
Open Circuit Voltage<17 V

Frequency and Period

ParameterValue
Frequency Range3 Hz to 300 kHz
Period Range3.3 µs to 333 ms
Frequency Best 1-Year Accuracy0.01% of reading
Gate Time Options1 ms, 10 ms, 100 ms, 1 s

Secondary and Specialized Measurements

ParameterValue
Capacitance Ranges1.0 nF, 10.0 nF, 100.0 nF, 1.0 µF, 10.0 µF, 100.0 µF
Capacitance Best 1-Year Accuracy1% of reading + 0.3% of range
Temperature Sensor SupportRTD, Thermistor, Thermocouple
Diode Test Voltage / Current5 V / 1 mA
Continuity ThresholdAdjustable from 1 Ω to 1000 Ω

System Speed and Performance

ParameterValue
Integration Time Options (NPLC)0.02 to 100 NPLC (0.001 to 100 NPLC with Option DIG)
Reading Rate to Internal Memory5,000 readings/s (standard); 50,000 readings/s (with Option DIG)
Reading Rate to Interface5,000 readings/s (standard); 50,000 readings/s (with Option DIG)
Maximum Internal Storage Capacity50,000 readings (standard); 2,000,000 readings (with Option MEM/DIG)

Triggering and Math Functions

ParameterValue
Trigger SourcesInternal, External, Software, Front panel
Trigger Delay Range0 to 3600 s
Built-in Math FunctionsNull, Min/Max/Average, dB, dBm, Limit test
Statistical Analysis FunctionsStandard deviation, Mean, Min, Max, Peak-to-peak
Limit TestingYes

Interfaces and Connectivity

ParameterValue
GPIB InterfaceOptional (Option GPB)
RS-232 InterfaceNo
USB Interface TypeUSB 2.0 (Type A host and Type B device)
LAN/Ethernet Interface10/100 Base-T (LXI Core compliant)
External Trigger InputYes (BNC)
Voltmeter Complete (VMC) OutputYes (BNC)

Power and Environmental

ParameterValue
Storage Temperature Range-40 °C to 70 °C
Operating Humidity RangeUp to 80% RH at 31 °C, decreasing linearly to 50% RH at 40 °C
Safety StandardsEN 61010-1, UL 61010-1, CAN/CSA-C22.2 No. 61010-1

Physical Characteristics

ParameterValue
Rack Unit Height2U

Measurement Performance

ParameterValue
Autocalibration (ACAL)Yes (corrects for temperature drift)
High-Speed Digitizing OptionUp to 50,000 rds/s (with Option 34465A-DIG)

Programming & System

ParameterValue
Language Emulation Modes34401A, 34410A/34411A SCPI-compatible

Power & Safety

ParameterValue
AC Line Frequency45 Hz to 66 Hz, 360 Hz to 440 Hz (auto-sensing)
Power Consumption75 VA maximum (30 W average)
Pollution DegreePollution Degree 2

Environmental

ParameterValue
Operating AltitudeUp to 3,000 meters

Hardware Features

ParameterValue
Front/Rear Terminal SwitchManual front panel switch
Real-Time ClockBattery-backed, keeps time when power is off

Input Protection

ParameterValue
LO to Ground Isolation±500 V peak

System & Connectivity

ParameterValue
LXI ComplianceLXI Core 2011
Front Panel USB PortUSB 2.0 host, Type A (for USB flash drives)

Performance Options

ParameterValue
High-Speed Digitizing RateUp to 50,000 samples/s (requires Option DIG)
Extended Memory CapacityUp to 2,000,000 readings (requires Option MEM)

Technology

Truevolt technology

Applications

Precision electrical measurements, automated testing, and research and development