The Keysight (Agilent) 34411A is a 6½ digit enhanced performance digital multimeter designed for high-speed, high-accuracy bench and system measurements. It sets a high standard for digital multimeter performance with up to 50,000 readings per second at 4½ digits, 1 million readings of volatile memory, and advanced analog level and pre/post-triggering capabilities. Standard interfaces include USB, LAN (LXI Class C), and GPIB, making it ideal for both R&D and automated test environments.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB 2.0, LAN (10/100Base-T, LXI Class C), GPIB (IEEE-488) |
| Display | Dual-line Vacuum Fluorescent Display (VFD) |
| Command Language Compatibility | Agilent 34401A |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V / 120 V / 220 V / 240 V (±10%), 45 Hz to 66 Hz & 360 Hz to 440 Hz, 25 VA max |
| 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 | 3.72 kg |
Measurement Resolution and Accuracy
| Parameter | Value |
|---|---|
| Digits of Resolution | 6½ digits |
| DC Voltage Ranges | 100 mV, 1 V, 10 V, 100 V, 1000 V |
| DC Voltage 1-Year Accuracy | ±(0.0030% of reading + 0.0005% of range) (10 V range) |
| DC Voltage Resolution | 100 nV (on 100 mV range) |
| AC Voltage Ranges | 100 mV, 1 V, 10 V, 100 V, 750 V |
| AC Voltage Frequency Range | 3 Hz to 300 kHz |
| AC Voltage Resolution | 100 nV (on 100 mV range) |
| DC Current Ranges | 100 µA, 1 mA, 10 mA, 100 mA, 1 A, 3 A |
| DC Current Resolution | 100 pA (on 100 µA range) |
| AC Current Ranges | 100 µA, 1 mA, 10 mA, 100 mA, 1 A, 3 A |
| AC Current Frequency Range | 3 Hz to 10 kHz |
| AC Current Resolution | 100 pA (on 100 µA range) |
| Resistance Ranges (2-wire and 4-wire) | 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ, 1 GΩ |
| Resistance Resolution | 100 µΩ (on 100 Ω range) |
| Frequency and Period Range | 3 Hz to 300 kHz (voltage input) |
| Continuity Threshold | Adjustable from 1 Ω to 1000 Ω |
Performance and Sampling Characteristics
| Parameter | Value |
|---|---|
| Maximum Reading Rate (at 4.5 Digits) | 50,000 readings/s |
| Maximum Reading Rate (at 5.5 Digits) | 10,000 readings/s |
| Aperture Time Settings | 20 µs to 1 s |
| Integration Time (NPLC) Range | 0.001 NPLC (0.0012 NPLC @ 60 Hz) to 100 NPLC |
| Internal Reading Memory Capacity | 1,000,000 readings (volatile) |
| Non-volatile Memory Capacity | 50,000 readings |
| Pre-trigger and Post-trigger Buffering | Supported, with memory capacity up to 1,000,000 readings |
| Analog Level Triggering | Yes, with adjustable level and slope on input waveform |
Input Specifications and Noise Rejection
| Parameter | Value |
|---|---|
| Input Impedance (DCV) | > 10 GΩ (100 mV, 1 V, 10 V ranges); 10 MΩ ± 1% (100 V, 1000 V ranges) |
| Input Bias Current | < 30 pA at 25 °C |
| Maximum Input Voltage (Terminal to Terminal) | 1000 VDC / 750 VAC |
| Maximum Input Voltage (LO to Earth) | 500 Vpk |
| Common Mode Rejection Ratio (CMRR) DC | 140 dB |
| Common Mode Rejection Ratio (CMRR) AC | 70 dB (at 50/60 Hz with 1 kΩ unbalance in LO lead) |
| Normal Mode Rejection Ratio (NMRR) at 50/60Hz | 60 dB (for integration times ≥ 1 NPLC) |
System and Connectivity Interfaces
| Parameter | Value |
|---|---|
| GPIB Interface | IEEE-488.2 compliant |
| USB Interface (Device Port) | USB 2.0 (USBTMC-USB488 protocol) |
| LAN/Ethernet Interface | 10/100Base-T (LXI Class C compliant) |
| External Trigger Input | TTL compatible |
| Voltmeter Complete Output | TTL compatible |
| SCPI Command Compatibility | Yes, IEEE-488.2 standard SCPI |
| Data Logging | Built-in data logger with programmable sample interval |
Physical and Environmental
| Parameter | Value |
|---|---|
| Power Line Frequency Range | 45 Hz to 66 Hz and 360 Hz to 440 Hz (automatic sensing) |
| Storage Temperature Range | -40 °C to 70 °C |
| Warm-up Time | 1 hour |
| Rackmount Kit Compatibility | Yes, compatible with Agilent 34190A and 34191A |
Standards, Compliance and Calibration
| Parameter | Value |
|---|---|
| Safety Rating (IEC/EN 61010-1) | IEC 61010-1, EN 61010-1 |
| Measurement Category (CAT Rating) | CAT I 1000 V, CAT II 300 V |
| Calibration Interval | 1 year |
DC Voltage
| Parameter | Value |
|---|---|
| Input Resistance (100 mV to 10 V ranges) | Selectable > 10 GΩ or 10 MΩ ± 1% |
| Input Resistance (100 V and 1000 V ranges) | 10 MΩ ± 1% |
Resistance
| Parameter | Value |
|---|---|
| Input Protection (Resistance) | 1000 V on all ranges |
| Maximum 4-Wire Ohms Lead Resistance | 10% of range (100 Ω and 1 kΩ ranges), 1 kΩ (all other ranges) |
Diode/Continuity Test
| Parameter | Value |
|---|---|
| Input Protection (Diode and Continuity) | 1000 V |
Triggering
| Parameter | Value |
|---|---|
| External Trigger Slope | Selectable rising or falling edge |
| External Trigger Input Level | TTL compatible |
| Voltmeter Complete Output Level | TTL compatible |
Frequency and Period
| Parameter | Value |
|---|---|
| Gate Time Settings | 1 ms, 10 ms, 100 ms, 1 s |
Environmental
| Parameter | Value |
|---|---|
| Operating Altitude | Up to 3,000 meters |
Interfaces
| Parameter | Value |
|---|---|
| Built-in Web Server | Yes, LXI Class C compliant |
Acquisition & Triggering
| Parameter | Value |
|---|---|
| Peak Detector Minimum Pulse Width | 20 µs |
Safety & Compliance
| Parameter | Value |
|---|---|
| Pollution Degree Rating | Pollution Degree 2 |
| Electromagnetic Compatibility (EMC) | EN 61326-1, CISPR 11 |
Technology
6½ Digit Digital Multimeter
Applications
Precision electrical measurement, R&D testing, and automated system testing