MM0474
Figure 1.
Model 8402B, front panel.
c. DC Substitution Function.
(1) Range: Current variable over a range compatible with measurements
from 1 mW to 10 mW (precision differential or digital voltmeter required,
voltmeter input resistance greater than 10 megohms is required for negligible
(2) Uncertainty (0.06% + thermistor operating resistance uncertainty +
2X voltmeter uncertainty) 0 to 55C.
(3) Voltmeter output: Dual banana connector on rear panel for monitoring
voltage across precision resistors.
d. Power Requirements.
The model 8402B is operated from an AC power
source of either 115V or 230V, 50 to 400 Hz.
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