The Keysight 34470A is a 7.5-digit Truevolt digital multimeter (DMM) designed for extreme accuracy, high resolution, and low measurement noise. It offers a 4.3-inch color graphical display, built-in math and statistical functions, and high-speed digitizing capabilities, making it an ideal instrument for demanding benchtop and automated test system applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB 2.0 (host/device), LAN (LXI Core compliant), GPIB (optional) |
| Display | 4.3-inch color TFT-LCD with bar meter, trend chart, histogram, and numeric formats |
| Real-Time Clock | Yes (with battery backup) |
| Active Input Terminal Indicators | No |
| Maximum Voltage LO to Earth | 500 V peak |
| Warm-up Time | 60 minutes |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V / 120 V / 220 V / 240 V ±10%, 45 Hz to 66 Hz and 360 Hz to 440 Hz; 30 VA typical (75 VA peak) |
| Operating Temperature | 0 °C to 55 °C |
| Dimensions (W×H×D) | 261.2 mm × 103.8 mm × 303.2 mm (with bumpers and handle) |
| Weight | 3.76 |
Resolution and Display
| Parameter | Value |
|---|---|
| Digits of Resolution | 7.5 digits |
| Maximum Count | 12,000,000 |
DC Voltage
| Parameter | Value |
|---|---|
| DCV Ranges | 100 mV, 1 V, 10 V, 100 V, 1000 V |
| DCV Best 1-Year Accuracy | 0.0016% of reading + 0.0005% of range (10 V range) |
| DCV Maximum Resolution | 10 nV (on 100 mV range) |
| DCV Input Impedance | > 10 GΩ (100 mV, 1 V, 10 V ranges); 10 MΩ ± 1% (100 V, 1000 V ranges) |
| ADC Linearity | 0.5 ppm of reading + 0.05 ppm of range (10 V range) |
| Input Bias Current | < 30 pA at 25 °C |
| DC Common Mode Rejection Ratio (CMRR) | 140 dB (for 1 kΩ LO lead unbalance) |
| Normal Mode Rejection Ratio (NMRR) | 60 dB at 50/60 Hz (for NPLC ≥ 1) |
| Maximum Input Voltage (DCV) | 1000 V on all ranges |
AC Voltage
| Parameter | Value |
|---|---|
| ACV Measurement Type | True RMS (AC-coupled) |
| ACV Ranges | 100 mV, 1 V, 10 V, 100 V, 750 V |
| ACV Frequency Range | 3 Hz to 300 kHz |
| ACV Best 1-Year Accuracy | 0.06% of reading + 0.03% of range (10 Hz to 20 kHz) |
| ACV Maximum Resolution | 100 nV (on 100 mV range) |
| AC Common Mode Rejection Ratio (CMRR) | 70 dB (for 1 kΩ LO lead unbalance, 50/60 Hz) |
| Maximum Input Voltage (ACV) | 750 V RMS (1000 V peak) on all ranges |
DC Current
| Parameter | Value |
|---|---|
| DCI Ranges | 1 μA, 10 μA, 100 μA, 1 mA, 10 mA, 100 mA, 1 A, 3 A, 10 A |
| DCI Best 1-Year Accuracy | 0.015% of reading + 0.002% of range (10 mA range) |
| DCI Maximum Resolution | 100 fA (on 1 μA range) |
AC Current
| Parameter | Value |
|---|---|
| ACI Measurement Type | True RMS (AC-coupled) |
| ACI Ranges | 100 μA, 1 mA, 10 mA, 100 mA, 1 A, 3 A, 10 A |
| ACI Frequency Range | 3 Hz to 10 kHz |
| ACI Best 1-Year Accuracy | 0.1% of reading + 0.04% of range (10 mA to 3 A ranges) |
Resistance
| Parameter | Value |
|---|---|
| Resistance Measurement Configurations | 2-wire and 4-wire resistance |
| Resistance Ranges | 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ, 1 GΩ |
| Resistance Best 1-Year Accuracy | 0.004% of reading + 0.0005% of range (10 kΩ range) |
| Resistance Maximum Resolution | 10 μΩ (on 100 Ω range) |
Frequency and Period
| Parameter | Value |
|---|---|
| Frequency Range | 3 Hz to 300 kHz |
| Period Range | 333 ms to 3.3 μs |
Secondary and Specialized Measurements
| Parameter | Value |
|---|---|
| Capacitance Ranges | 1 nF, 10 nF, 100 nF, 1 μF, 10 μF, 100 μF |
| Capacitance Best 1-Year Accuracy | 1% of reading + 0.5% of range |
| Temperature Sensor Support | RTD, Thermistor, Thermocouple |
| Diode Test Voltage / Current | 5 V test voltage; 10 μA, 100 μA, or 1 mA test current |
| Continuity Threshold | Adjustable from 1 Ω to 1000 Ω |
System Speed and Performance
| Parameter | Value |
|---|---|
| Aperture Time Range | 20 μs to 2 s |
| Integration Time Options (NPLC) | 0.02, 0.2, 1, 10, 100 NPLC (down to 0.001 NPLC with high-speed digitizing option) |
| Reading Rate to Internal Memory | 5,000 readings/s (standard); 50,000 readings/s (with DIG option) |
| Maximum Internal Storage Capacity | 50,000 readings (standard); 2,000,000 readings (with MEM option) |
Triggering and Math Functions
| Parameter | Value |
|---|---|
| Built-in Math Functions | Null, Min/Max/Average, dB, dBm, Limit Test, Scaling |
Interfaces and Connectivity
| Parameter | Value |
|---|---|
| External Trigger Input | BNC input, TTL compatible |
| Voltmeter Complete (VMC) Output | BNC output, TTL compatible |
Power and Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to 70 °C |
| Operating Humidity Range | Up to 80% RH at 40 °C (non-condensing) |
| Calibration Interval | 1 year or 2 years (user choice) |
| Safety Standards | EN 61010-1:2010, CAN/CSA-C22.2 No. 61010-1-12, UL Std. No. 61010-1 |
| Measurement Category (CAT) Rating | CAT II 300 V |
Physical Characteristics
| Parameter | Value |
|---|---|
| Rack Unit Height | 2U (half-rack width) |
Programming
| Parameter | Value |
|---|---|
| Emulation Languages | Keysight 34401A, Keysight 34410A/34411A |
| LXI Compliance | LXI Consortium LXI Device Specification 2011, Version 1.4 |
AC Performance
| Parameter | Value |
|---|---|
| Maximum Crest Factor | 3:1 at full scale |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 3,000 m |
Safety & Compliance
| Parameter | Value |
|---|---|
| Pollution Degree | Pollution Degree 2 |
Performance
| Parameter | Value |
|---|---|
| Digitizing Rate | Up to 50,000 samples/s (with Option DIG) |
Frequency
| Parameter | Value |
|---|---|
| Frequency Measurement Method | Reciprocal counting |
User Interface
| Parameter | Value |
|---|---|
| Display Views | Numeric, Bar Meter, Trend Chart, Histogram |
Technology
Truevolt technology
Applications
High-precision electronic design, metrology, manufacturing test, and research & development