Sierra Instruments Instruction Manual
Smart-Trak
®
2 Series 100
77
Appendix B: Product Specifications
Performance Specifications:
Accuracy
Standard Calibration:
±
1.0% of full scale at operating conditions
High Accuracy Calibration:
±
0.7% of reading plus 0.3% of full scale at
operating conditions.
Dial-A-Gas:
±
1.0% of full scale in all 10 gases
Repeatability
± 0.2% of full scale
Temperature Coefficient
±
0.025% of full scale per °F (
±
0.05% of full scale per °C), or better
Pressure Coefficient
±
0.01% of full scale per psi (
±
0.15 of full scale per bar), or better
Response Time
300 millisecond time constant--2 seconds (typical) to within
±
2% of final
value (includes settling time)
Operating Specifications:
Gases
All clean gases including corrosives; specify when ordering. The following
10 gases make up the standard Dial-A-Gas feature. Alternate gases may be
substituted at time of ordering. Flow rates in slpm.
GAS
Maximum Flow
Low Flow Body
Maximum Flow
Medium Flow Body
Max Flow Rate
High Flow Body
Air
50
300
1000
Argon 72.5
435
1450
Carbon Dioxide (CO
2
) 37
220
740
Carbon Monoxide (CO)
50
302
1000
Methane (CH
4
) 36 227 720
Helium 72.7
420
1454
Hydrogen 50
300
1000
Oxygen 50
300
1000
Nitrogen 50
300
1000
Nitrous Oxide (N
2
O) 35.5
215
710