Panametrics CGA 351, Руководство пользователя, Страница: 95 / 119

CGA 351 User’s Manual 89
Chapter 6.
Chapter 6.
6.1 Specifications
6.1.1 General Specifications
Accuracy:
0.2 ppm from 0 to 10 ppm
± 2% of reading for all other ranges
Repeatability:
± 1% of reading
Reproducibility:
± 0.2% of reading in 24 hours
± 1% of reading in 30 days
Response Time:
Less than 2 seconds for 90% step change
Stability:
Less than 3% of reading per year
Operating Temperature:
Typical: 700°C
Maximum: 950°C
Pressure Effect:
Less than 0.2% of reading per mm Hg
Sample Flow Rate Influence:
Per 40 cc/min flow change at 400 cc/min
0.2 ppm from 0 to 10 ppm or 2% of reading
Line Voltage Influence:
±10% nominal line voltage
Background Gas Variation Effect:
Sample gas must be clean, dry and free of combustibles.
For best results, use the same background gas for calibration.
Standard factory calibration is 5 ppm O
2
in N
2
.
Enclosures:
NEMA 4X/IP66, stainless steel