xii
Electrical Specifications:
DC Current Measurement (Low-Power, Semiconductor Photodiode CAL MODULE)
Signal Range:
1,2
0
1
2
3
4
5
6
Full-Scale Current:
4
2.51 nA
25.1 nA
251 nA
2.51 µA
25.1 µA
251 µA
2.50 mA
A/D 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:
≤
8 LSD
≤
1 LSD
≤
1 LSD
≤
1 LSD
≤
1 LSD
≤
1 LSD
≤
1 LSD
(Input Open, Filter Off)
Full-Scale Accuracy:
3
±
0.1%
0.05%
0.05%
0.05%
0.05%
0.05%
0.05%
(Typical)
Full-Scale Accuracy:
3
±
0.48%
.30%
.30%
.30%
.30%
.30%
.30%
(Worst-Case)
Peak-Peak Current Measurement (Low-Power, Semiconductor Photodiode CAL MODULE)
Signal Range:
1, 2
0
1
2
3
4
5
6
7
8
Full Scale (P-P) Current:
4
253 nA
797 nA
2.52 µA
7.97 µA
25.1 µA
79.3 µA
251 µA
793 µA
2.51 mA
A/D Resolution:
61.7 pA
195 pA
616 pA
1.95 nA
6.13 nA
19.4 nA
61.3 nA
194 nA
613 nA
Full-Scale Accuracy:
3
±
1%
±
1%
±
1%
±
1%
±
1%
±
1%
±
1%
±
1%
±
1%
(Typical)
Full-Scale Accuracy:
3
±
2%
±
2%
±
2%
±
2%
±
2%
±
2%
±
2%
±
2%
±
2%
(Worst Case)
Bandwidth (3db):
(5 Hz - 1 kHz)
(5 Hz - 10 kHz)
(5 Hz - 47 kHz)
Frequency Range for
±
2% (Typ) Accuracy:
(50 Hz - 100 Hz)
(50 Hz - 1.4 kHz)
(50 Hz - 7 kHz)
Trigger Level: 4% of full scale (fixed) above ground.
1
Listed signal ranges specify meter capability. Available signal ranges are detector dependent.
2
Maximum measurable signal is detector dependent. See description of detector saturation message “SA”, page 83.
3
After 60 min warm-up, followed by execution of AUTOCAL command. See Section 2.4.4.
4
Full scale current may vary due to AUTOCAL compensation of DC offsets.
Analog Output
Full Scale Voltage: 0 - 2.5V into 50
Ω
Accuracy:
±
2.5%
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