xii
Electrical Specifications:
DC Current Measurement (Low-Power, Semiconductor Photodiode CAL MODULE)
Signal Range:
1,2
01 23 456
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
012345678
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 50Ω
Accuracy: ± 2.5%
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