Tektronix 475A User Manual

28
Table 3
Resistance Ranges
Range Readout Measurement
2oMn
20.00-02.00
20 MQ-2 MQ
2Mn 2.000-0.200 2 Mn-2oo kn
200 kn 200.0-20.00 200 kn-2o kn
20 kn 20.00-02.00 20 kn-2 kn
2 kQ
2.000-0.200 2 kn-2oon
2oon 200.0-000.0 2oon-on
VOLTS
~
The maximum safe input voltage is ±1200 volts (de+
peak ac) between the+ and COM inputs or between
the +
input and chassis.
The maximum COM floating voltage is ±500 volts
(de+ peak ac) to chassis.
The DM44 may be damaged if it is operating in the
resistance mode (OHMS function selected) and a volt-
age exceeding 120 volts rms is applied between the
+and COM leads.
If the readout exceeds 1200 volts or the readout
blinks (indicating overrange), immediately disconnect
the + lead
to prevent possible instrument damage.
1. Press both the VOLTS FUNCTION push button and
the 1.2
kV RANGE push button (see Figure 9).
2. Connect the COM lead to the reference point (usually
a ground or test point) and the
HIGH lead to the
unknown voltage
to be measured.
465B/DM44 Operators
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Tektronix 475A Specifications

General

Brand	Tektronix
Model	475A
Category	Measuring Instruments
Language	English