Keysight DAQ970A Service Manual

Performance Verification 3
Keysight DAQ970A/DAQ973A Service Guide 71
DC voltage gain verification test
Input
Channel 302
Quick
check
[a]
Error from nominal
Function
[b]
Range 24 hours 90 days 1 year 2 years
100 mV
DC voltage
100 mV
±8 μV ±10 μV ±11 μV ±12.5 μV
–100 mV ±8 μV ±10 μV ±11 μV ±12.5 μV
1 V
1 V
±21 μV ±31 μV ±41 μV ±56 μV
–1 V ±21 μV ±31 μV ±41 μV ±56 μV
4 v
10 V
±70 μV ±124 μV ±160 μV ±220 μV
10 V Q ±130 μV ±250 μV ±340 μV ±490 μV
–10 V ±130 μV ±250 μV ±340 μV ±490 μV
100 V
100 V
±2.6 mV ±4.1 mV ±4.6 mV ±6.1 mV
–100 V Q ±2.6 mV ±4.1 mV ±4.6 mV ±6.1 mV
300 V
300 V
±12 mV ±16.5 mV ±18 mV ±22.5 mV
–300 V ±12 mV ±16.5 mV ±18 mV ±22.5 mV
[a] Q: Quick performance verification test points.
[b] For Channel 302, select NPLC 10.
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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