Electrical Specifications: 
DC 
Current Measurement (Low-Power, Semiconductor Photodiode CAL  MODULE) 
Signal Range:'.2 
0  1  2  3  4  5  6 
Full-Scale C~rrent:~ 
2.51 
nA 
25.1 
nA 
251 
nA 
2.51 
pA 
25.1 
pA 
251 
pA 
2.50 
mA 
AID Resolution: 
126 
fA 
1.26 
pA 
12.6 
pA 
126 
pA 
1.26 
nA 
12.6 
nA 
126 
nA 
(20,000 
Count Precision) 
Display Noise Floor:  18LSD 
I1 
LSD 
I 
1 
LSD 
I 
1 
LSD 
I 
1 
LSD 
I 
1 
LSD 
I 
1 
LSD 
(Input Open, Filter Off) 
Full-scale Acc~racy:~ 
+ 
0.1%  0.05%  0.05%  0.05%  0.05%  0.05%  0.05% 
(Typical) 
Full-Scale Acc~racy:~ 
+0.48%  .30%  .30%  .30%  .30%  .30%  .30% 
(Worst-case) 
' 
Listed signal ranges specify meter capability. Available signal ranges are detector dependent. 
Maximum measurable signal is detector dependent. See description of  detector saturation message "SA, page 
80. 
After 
60 
min warm-up, followed by execution of  AUTOCAL command. See Section 
2.4.4. 
Full scale current may vary due to AUTOCAL compensation 
of 
DC  offsets. 
Analog Output 
Full Scale Voltage: 
0 
- 
2.5V 
into 
50Q 
Accuracy: 
+ 
2.5% 
xii 
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