Tektronix 213 DMM Instruction Manual page 10

Specifications-213 Service
TABLE 1-1 (continued)
Digital Multimeter Electrical Specifications
Characteristic Performance Requirement
Max Safe Input Voltage
Ac component 1 MHz or less
0.1 V to 10 V
De Coupled 500 V (de + peak ac).
Ac Coupled
800 V (de+ peak ac). Max ac component is 500 V peak
100 V and 1000 V 800 V (de+ peak ac)
DC VOLTS
Accuracy (+20°C to +30°C, batteries only)
NOTE
When operating on power-line voltage, add 10°C
to the ambient temperature for internal heating
before computing accuracy
0.1 V
Within 0.1% of reading ±3 counts. Temp Coef is (within
0.015% of reading+ 0.04% of full scale) per °C
1 V
Within 0.1% of reading ±1 count. Temp coef is (within
0.01% of reading+ 0.01% of full scale) per °C
10 V and 100 V Within 0.15% of reading ±1 count. Temp Coef is (within
0.015% of reading+ 0.01% of full scale) per °C
1000 V
Within 0.2% of reading ±1 count. Temp Coef is (within
0.02% of reading+ 0.01% of full scale) per °C
Settling Time
1.5 seconds for reading within 0.1 %
Normal Mode Rejection Ratio
-60 dB at 60 Hz, -3 dB at 1 Hz
RMS VOLTS Temp Coef is (within 0.05% of reading+ 0.1% of full scale)
per °C
Accuracy (+20°C to +30°C, batteries only)
NOTE
When operating on power-line voltage, add 10°C
to the ambient temperature for internal heating
before computing accuracy
NOTE Within% of reading shown ±5 counts at frequency shown:
Crest factor< 2 and reading at least 10% of
40 Hz 1 kHz
full scale. Accuracy limits increase linearly
for crest factor over 2; up to twice indicated
to to
limits for crest factor of 5
De 1 kHz 40 kHz
0.1 V 2.5%
1.5% 3.5%
1 V 2% 1% 1%
10 V 2%
1% 5%
100 V 2% 1% 1%
1000 V 2% 1% 5%
1-2
REV APR 1988