Additel 761A, User Manual

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6
in absolute mode. Applicable only for use with the ADT761A-500 and ADT761A-1K
◆ Stability: 0.005%FS or 0.05 Pa, whichever is greater. 761A-BP: 0.02 hPa
◆
Control response time: 20%FS pressure step, external 50cc volume access, high speed mode,<30 seconds;
◆ Media: Air
◆
Electrical measurement specification (environment temperature 20
℃
±5
℃
,
one-year stability)
Table 1- 2 Electrical measurement specification
Model
Specification
Range Resolution Accuracy Note
mA Measure
Auto-ranging
±25 or ±50 mA
0.1 µA 0.008%RD+0.004%FS
Impedance <10Ω
V Measure
±300 mV 1 µV 0.008%RD+0.002%FS
Impedance >1GΩ
Auto-ranging±5,
±12 or ±30 V
±5V:20 µV
±12V:100 µV
±30V:100 µV
0.008%RD+0.002%FS
Impedance >1MΩ
Loop Power Source 24 V N/A ±0.24 V 50 mA (Max Loading)
mA Source
0 to 2.5 mA or 2.5 to
25 mA
0-2.5 mA: 0.05µA
0-25 mA:0.5µA
0-2.5 mA: 0.008%RD+0.1 µA
0-25 mA: 0.008%RD+1.0 µA
20 mA @ 1KΩ