The Keysight DAQ970A is a high-performance Data Acquisition System and Data Logger. Equipped with a built-in 6.5-digit digital multimeter (DMM) and a 3-slot mainframe, it is designed for highly accurate and versatile multiplexing, switching, and scanning applications.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | USB 2.0 Host (front panel), USB 2.0 Device (rear panel), LAN (10/100 Base-T, LXI-C compliant) |
| Display | 4.3-inch color TFT graphical display, 480 x 272 resolution with built-in trend charting and histograms |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC ±10%, 50/60 Hz ±10%, 400 Hz ±10%, 150 VA maximum power consumption |
| Operating Temperature | 0 °C to 55 °C |
| Dimensions (W×H×D) | 261.2 mm x 104.0 mm x 374.0 mm (with bumpers and feet) |
| Weight | 4.2 kg |
System Performance
| Parameter | Value |
|---|---|
| Internal DMM Resolution | 6.5 digits (22-bit) |
| Maximum Scan Rate | 450 channels/second |
| Maximum Reading Speed to Memory | 50,000 readings/second |
| Internal Reading Memory Capacity | 1,000,000 readings with timestamps |
| Number of Module Card Slots | 3 |
| Maximum Channels per Mainframe | 120 channels (using 3x DAQM908A 40-channel multiplexers) |
| A/D Converter Integration Times | 0.02 PLC, 0.2 PLC, 1 PLC, 10 PLC, 100 PLC |
DC Voltage Measurements
| Parameter | Value |
|---|---|
| DC Voltage Ranges | 100 mV, 1 V, 10 V, 100 V, 300 V |
| DC Voltage Maximum Resolution | 100 nV |
| DCV 1-Year Basic Accuracy | 0.0035% of reading + 0.0005% of range (10 V range) |
| DCV Input Impedance (100mV to 10V ranges) | > 10 GΩ (selectable) or 10 MΩ ± 1% |
| DCV Input Impedance (100V and 300V ranges) | 10 MΩ ± 1% |
| Maximum Input Voltage | 300 V on any input terminal |
AC Voltage Measurements
| Parameter | Value |
|---|---|
| AC Voltage Measurement Type | True RMS AC-coupled |
| AC Voltage Ranges | 100 mV, 1 V, 10 V, 100 V, 300 V |
| AC Voltage Frequency Range | 3 Hz to 300 kHz |
| ACV 1-Year Basic Accuracy | 0.06% of reading + 0.03% of range (10 Hz to 20 kHz, 10 V range) |
| ACV Crest Factor | 3:1 at full scale |
Resistance Measurements
| Parameter | Value |
|---|---|
| Resistance Measurement Configurations | 2-wire and 4-wire |
| Resistance Ranges | 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ, 1 GΩ |
| Resistance Maximum Resolution | 100 μΩ |
| Resistance 1-Year Basic Accuracy | 0.01% of reading + 0.001% of range (10 kΩ range) |
DC Current Measurements
| Parameter | Value |
|---|---|
| DC Current Ranges | 1 μA, 10 μA, 100 μA, 1 mA, 10 mA, 100 mA, 1 A |
| DC Current Maximum Resolution | 1 pA |
| DCI 1-Year Basic Accuracy | 0.05% of reading + 0.005% of range (10 mA range) |
AC Current Measurements
| Parameter | Value |
|---|---|
| AC Current Ranges | 100 μA, 1 mA, 10 mA, 100 mA, 1 A |
| AC Current Measurement Type | True RMS AC-coupled |
| AC Current Frequency Range | 3 Hz to 10 kHz |
| ACI 1-Year Basic Accuracy | 0.1% of reading + 0.04% of range (10 mA range, 10 Hz to 5 kHz) |
Frequency and Period Measurements
| Parameter | Value |
|---|---|
| Frequency Measurement Range | 3 Hz to 300 kHz |
| Period Measurement Range | 3.3 μs to 333 ms |
| Frequency 1-Year Basic Accuracy | 0.01% of reading |
Capacitance Measurements
| Parameter | Value |
|---|---|
| Capacitance Measurement Ranges | 1 nF, 10 nF, 100 nF, 1 μF, 10 μF, 100 μF |
| Capacitance 1-Year Basic Accuracy | 1% of reading + 0.1% of range |
Temperature Measurements
| Parameter | Value |
|---|---|
| Thermocouple Types Supported | B, E, J, K, N, R, S, T |
| RTD Types Supported | PT100, PT1000 (2-wire and 4-wire) |
| Thermistor Types Supported | 2.2 kΩ, 5 kΩ, 10 kΩ |
| Internal CJC Accuracy | ±1.0 °C (typical) |
Triggering and Alarms
| Parameter | Value |
|---|---|
| Scan Trigger Sources | Internal Timer, External, Software, Front Panel (Manual), Bus |
| Alarm Limits per Channel | 2 limits (High, Low) |
| Alarm Outputs | 4 hardware alarm outputs (TTL) |
| External Trigger Input | TTL compatible, selectable edge |
| Trigger Output Pulse | TTL compatible, selectable polarity |
| Built-in Math Functions | Scaling (mX+B), dB, dBm, Limit Testing, Min/Max/Average |
Supported Modules
| Parameter | Value |
|---|---|
| Supported Multiplexer Modules | DAQM900A, DAQM901A, DAQM902A, DAQM908A |
| Supported General Purpose & Matrix Modules | DAQM903A, DAQM904A |
| Supported RF Modules | DAQM905A |
| Supported Multifunction Modules | DAQM907A |
| Supported Digitizer Modules | DAQM909A (4-channel simultaneous digitizer) |
Connectivity and Control
| Parameter | Value |
|---|---|
| Programming Language Support | SCPI, Agilent 34970A/34972A compatibility modes |
| Built-in Web Server Features | Configuration, monitoring, data logging control, SCPI console |
| Companion Desktop Software | Keysight PathWave BenchVue DAQ App |
| Instrument Drivers Supported | IVI-C, IVI-COM, LabVIEW |
Physical and General
| Parameter | Value |
|---|---|
| Form Factor | Benchtop or 2U half-rack |
| Kensington Lock Slot | Available on rear panel |
| Line Frequency | 45 Hz to 66 Hz, and 360 Hz to 440 Hz |
| Power-On Configuration Options | Last State, Factory Default, or User Preset |
| Storage Temperature Range | -40 °C to 70 °C |
| Operating Humidity Range | Up to 80% RH at 40 °C (non-condensing) |
| Maximum Operating Altitude | 3,000 meters (9,842 feet) |
| Warm-up Time | 60 minutes |
| Calibration Interval | 1 year or 2 years |
Compliance and Certifications
| Parameter | Value |
|---|---|
| Safety Standards | IEC 61010-1, EN 61010-1, UL 61010-1, CAN/CSA-C22.2 No. 61010-1 |
| EMC Standards | IEC 61326-1, EN 61326-1, ICES-001, AS/NZS CISPR 11 |
| Environmental Compliance | RoHS, WEEE |
Power Requirements
| Parameter | Value |
|---|---|
| Maximum Power Consumption | 75 VA |
| AC Power Input Voltage Range | 100 V to 240 V (±10%) |
| AC Power Input Frequency Range | 50 Hz to 60 Hz (±10%), 400 Hz (±10% at 100 V to 120 V) |
System Characteristics
| Parameter | Value |
|---|---|
| Non-volatile State Storage Capacity | 5 instrument states |
Connectivity
| Parameter | Value |
|---|---|
| USB Host Port Location | Front panel |
| USB Host Port Compatibility | USB 2.0 (supports FAT32 format USB flash drives) |
| USB Device Port Location | Rear panel |
| USB Device Port Protocol | USBTMC (USB 2.0) |
| LAN Interface Speed and Standard | 10BASE-T/100BASE-TX, LXI Core 2011 Device Specification Version 1.4 |
Environmental Compliance
| Parameter | Value |
|---|---|
| Vibration and Shock Compliance | MIL-PRF-28800F, Class 3 |
| Pollution Degree Rating | Pollution Degree 2 |
Measurement Parameters
| Parameter | Value |
|---|---|
| Continuity Test Current Source | 1 mA |
| Diode Test Current Source | 1 mA |
Measurement Performance
| Parameter | Value |
|---|---|
| DC Common Mode Rejection (CMRR) | 140 dB (with 1 kΩ unbalance in LO) |
| AC Common Mode Rejection (CMRR) | 70 dB (at 50/60 Hz, 1 kΩ unbalance in LO) |
| Normal Mode Rejection (NMRR) | 60 dB (at 50/60 Hz ± 0.1%, for integration times ≥ 1 PLC) |
| DC Input Bias Current | < 30 pA at 25 °C |
| A/D Converter Linearity | 0.0002% of reading + 0.0001% of range |
| Overrange Capability | 120% of range (except max voltage and current ranges) |
| Internal DMM Current Fuse Protection | 3.15 A, 250 V fast-acting fuse |
| Frequency/Period Gate Times | 1 ms, 10 ms, 100 ms, 1 s |
| Continuity Threshold | Fixed at 10 Ω |
Interfaces and Software
| Parameter | Value |
|---|---|
| LXI Compliance | LXI Device Specification 2011, Class C / Core |
Technology
Data Acquisition System (DAQ) / Data Logger
Applications
Automated testing, temperature logging, environmental monitoring, and multi-channel sensor characterization