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HYDRA
Service Manual
1-14
Table 1-3. 2620A/2625A Specifications (cont)
Frequency Inputs (cont)
Sensitivity
Frequency Level (sine Wave)
15 Hz - 100 kHz
100 kHz - 300 kHz
300 kHz - 1 MHz
Above 1 MHz
100 mV rms
150 mV rms
2V rms
NotSpecified
Maximum AC Input
300V rms or 424V peak on channels 0, 1, and 11
150V rms or 212V peak on channels 2 to 10 and 12 to 20
Voltage ratings between channels must not be exceeded
2 x 10
6
Volt-Hertz product on any range, normal mode input
1 x 10
6
Volt-Hertz product on any range, common mode input
Crosstalk Rejection
Refer to "Crosstalk Rejection" at the end of this table.
Typical Scanning Rate
(Channels per Second, for 1, 10, and 20 Channel Scans with Shorted Inputs)
Function Range Slow Fast
Channels: 1 10 20 1 10 20
VDC 300 mV 1.7 3.6 3.8 2.2 10.3 12.9
VDC 3V 1.7 3.6 3.8 2.2 10.3 12.9
VDC 30V 1.7 3.6 3.8 2.2 10.3 12.9
VDC 150/300V 1.7 3.5 3.8 2.2 10.2 12.8
VDC AUTO 1.0 3.4 3.6 2.2 8.9 10.7
Temperature J 1.5 3.1 3.5 1.9 9.5 12.1
Temperature PT 1.0 2.5 2.6 1.7 4.2 4.5
VAC 300 mV 1.0 1.5 1.5 1.3 2.3 2.4
VAC 3V 1.0 1.5 1.5 1.3 2.3 2.4
VAC 30V 1.0 1.5 1.5 1.3 2.3 2.4
VAC 150/300V 1.0 1.5 1.5 1.3 2.3 2.4
VAC AUTO 1.0 1.4 1.5 1.3 2.3 2.4
Ohms 300Ω 1.5 2.5 2.6 1.8 4.2 4.5
Ohms 3 kΩ 1.5 2.5 2.6 1.7 4.2 4.5
Ohms 30 kΩ 1.5 2.5 2.6 1.7 4.2 4.5
Ohms 300 kΩ 1.0 1.5 1.5 1.4 2.8 2.9
Ohms 3 MΩ 1.0 1.5 1.5 1.4 2.7 2.9
Ohms 10 MΩ 1.0 1.5 1.5 1.4 2.7 2.9
Ohms AUTO 1.5 2.5 2.6 1.7 4.2 4.5
Frequency any 0.5 0.6 0.7 0.6 0.7 0.7