Operator`s manual

141 Signametrics
ts
s given in Section 2. The test is
commended as an acceptance test when the instrument is first received, and as a verification after performing the
in a
C. Allow the
MM to warm up at least one-half hour before performing any of the tests. The default reading rate of the DMM
1. If you have not done so, install the DMM and ck on to the computer. Ensure that the
computer has been on for at least one-half hour, with the covers on, before conducting this test.
Apply uality cop e short to the DMM V, ect the DCV funct orange.
the D for seve nd perform th ction.
ly th C voltag + & - terminals. Check to see that the ing on the
is wi ated rang
DC Voltag
R Inpu Minimum Reading Maximum Reading
6.1 Performance Tes
This test compares the performance of the SM2060/64 DMM with the specification
re
calibration procedure. To ensure proper performance, the test must be performed with the SM2060 installed
personal computer, with the covers on. The ambient temperature must be between 18°C and 28°
D
should be used in each test.
6.2 DC Voltage Test
The following procedure may be used to verify the accuracy of the DCV function:
place the covers ba
2. a high q per wir Ω + & - inputs. Sel ion, Aut
Allow MM to settle ral seconds, a e Relative fun
3. App e following D es to the V, Ω displayed read
DMM thin the indic e.
e Test
Step ange t
1 24 0V ( - 0.00200 0.002000 mV short) 00 m V 00 m V
2 24 200 199.988 200.0120 mV mV 00 mV 00 mV
3 2 - 200 - 200.012 - 199.98840 mV mV 00 mV 00 mV
4 2 0V 1.99999 2.00001.4 V (short) 00 V 00 V
5 2 2 V 1.99993 2.00007.4 V 00 V 00 V
6 2 - 2 V - 2.0000 - 1.99993.4 V 700 V 0 V
7 2 0V 19.9997 20.00034 V (short) 00 V 00 V
8 2 20 V 19.9987 20.00134 V 00 V 00 V
9 2 - 20 - 20.001 - 19.9984 V V 300 V 700 V
10 2 0V 199.999 200.00040 V (short) 50 V 50 V
11 2 200 199.987 200.01240 V V 50 V 50 V
12 2 -200 - 200.012 - 199.98750 V 40 V V 50 V
13 33 0V (s 299.99930 V 300.00070 V hort) 0 V
14 33 300 V 299.9543 300.04570 V 0 V 0 V
15 330V -300V - 300.0457 - 299.95430 V 0 V