Keysight DAQ970A Service Manual

3 Performance Verification
74 Keysight DAQ970A/DAQ973A Service Guide
5 Repeat step 4 for each accuracy verification item.
AC voltage gain verification test
Input Channel 302
Quick
check
[a]
Error from nominal
Voltage Frequency Range
AC filter
[b]
24 hours 90 days 1 year 2 years
100 mV
1 kHz
100 mV >200 Hz
±40 μV ±60 μV ±70 μV ±80 μV
50 kHz ±80 μV ±90 μV ±100 μV ±110 μV
300 kHz Q ±1.1 mV ±1.1 mV ±1.1 mV ±1.1 mV
1 V
1 kHz
1 V >200 Hz
±400 μV ±600 μV ±700 μV ±800 μV
50 kHz ±800 μV ±900 μV ±1 mV ±1.1 mV
300 kHz ±11 mV ±11 mV ±11 mV ±11 mV
30 mV 1 kHz
10 V
>200 Hz
±2 mV ±2 mV ±2.015 mV ±2.018 mV
1 V 1 kHz ±2.2 mV ±2.4 mV ±2.5 mV ±2.6 mV
10 V
10 Hz >3 Hz ±4 mV ±6 mV ±7 mV ±8 mV
100 Hz >20 Hz ±4 mV ±6 mV ±7 mV ±8 mV
20 kHz
>200 Hz
±4 mV ±6 mV ±7 mV ±8 mV
50 kHz Q ±8 mV ±9 mV ±10 mV ±11 mV
100 kHz ±20 mV ±20 mV ±20 mV ±20 mV
300 kHz ±110 mV ±110 mV ±110 mV ±110 mV
100 V
1 kHz
100 V >200 Hz
Q ±40 mV ±60 mV ±70 mV ±80 mV
50 kHz ±80 mV ±90 mV ±100 mV ±110 mV
70 V 300 kHz ±800 mV ±800 mV ±800 mV ±800 mV
300 V 1 kHz
300 V >200 Hz
±210 mV ±300 mV ±330 mV ±360 mV
210 V 50 kHz ±375 mV ±396 mV ±417 mV ±438 mV
70 V 300 kHz ±1.6 V ±1.6 V ±1.6 V ±1.6 V
[a] Q: Quick performance verification test points.
[b] For Channel 302, select bandwidth AC filter.
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Keysight DAQ970A Specifications

General

Scan Rate	Up to 450 channels/sec
Connectivity	USB, LAN, GPIB (optional)
Display	4.3-inch color LCD
Operating Temperature	0 °C to 50 °C
Number of slots	3 slots
Measurement Types	DCV, ACV, DCI, ACI, 2-wire resistance, 4-wire resistance, frequency, temperature, capacitance
Voltmeter	6.5 digit
Resolution	22 bits
Memory	Non-volatile memory