Keithley 6512 Instruction Manual page 97

Figure 5-3
Connections for ohms verification
Table 5-3
Limits for ohms verification
6512 263 output
range (nominal)
2k Ω 1k Ω
20k Ω 10k Ω
200k Ω 100k Ω
2M Ω 1M Ω
20M Ω 10M Ω
200M Ω 100M Ω
2G Ω 1G Ω
20G Ω 10G Ω
200G Ω 100G Ω
* Includes Model 263 error.
6512 & 263
guard 263 reading
(____ × 0.16%)
Off
(____ × 0.13%)
Off
(____ × 0.23%)
Off
(____ × 0.225%)
Off
(____ × 0.2125%) + 0.001M Ω
Off
(____ × 0.23%)
Off
(____ × 1.4%)
On
(____ × 1.275%)
On
(____ × 1.1%)
On
Calculated limit
Equipment
error* Limit
+ 0.0004k Ω
= ____
+ 0.001k Ω
= ____
+ 0.01k Ω
= ____
+ 0.0001M Ω = ____
= ____
+ 0.01M Ω
= ____
+ 0.0001G Ω = ____
+ 0.001G Ω
= ____
+ 0.01G Ω
= ____
Performance Verification
COMMON
OUTPUT
MODEL 263
Allowable 6512 reading
(1 year, 18°-28°C)
263 Reading ± Limit
263 Reading ± Limit
263 Reading ± Limit
263 Reading ± Limit
263 Reading ± Limit
263 Reading ± Limit
263 Reading ± Limit
263 Reading ± Limit
263 Reading ± Limit
BA
5-7