Tektronix 2465A Operator's Manual page 125

Performance Characteristics
Table 6-2
Option 01 (DMM) Electrical Characteristics
Characteristics Performance Requirements
DC VOLTS
Accuracies by Range
+18°C to +28°C
200 mV to 200 V ±(0.03% of reading + 0.01% of full scale).
SOO V ± (0.3% of reading + 0.04% of full scale).
-1SoC to +18°C and +28°C
to +SsoC
200 mV to 200 V Add ± (0.003% of reading + 0.001 % of full
scale)/oC below 18°C or above 28°C.
SOO V Add ± (0.003% of reading + 0.004% of full
scale)/oC below 18°C or above 28°C.
Common Mode Rejection Ratio >100 dB at dc: >80 dB at SO and 60 Hz, with
1 kn imbalance.
Normal Mode Rejection Ratio >60 dB at SO and 60 Hz.
Resolution 1 part in 20,000 of full scale except 0.1 V on
SOO V range.
Step Response Time
Manual Range Less than 1 second.
Auto Range Less than 2 seconds.
Input Resistance
200 mV and 2 V Ranges >1 Gn or 10 Mn, ±1%.
20 V to SOO V Ranges 10 Mn ±1%.
Input Bias Current at 23°C Ambient Less than 10 pA.
Temperature
Reading Rate Approximately 3 per second.
246SA/24SSA/244SA Operators 6-1S