Appendix a product specifications – Sierra FLAT-TRAKTM 780S User Manual
Page 47
Series 780S Instruction Manual
Appendix A Specifications
IM-78S-B
A-1
Appendix A
Product Specifications
Performance Specifications
Accuracy
± 2% of reading from 10 to 100% of calibrated range
± 0.5% of full scale below 10% of calibrated range
Repeatability
± 0.2% of full scale
Temperature Coefficient
± 0.02% of reading per °F within ± 50°F of customer specified conditions
± 0.03% of reading per °F within ± 50°F to 100°F of customer specified conditions
±0.04% of reading per °C within ± 25°C of customer specified conditions
±0.06% of reading per °C within ± 25°C to 50°C of customer specified conditions
Pressure Coefficient
Negligible when within ± 50 psig (± 3.4 barg) of customer specified conditions
Response Time
One second to 63% of final velocity value
Operating Specifications
Gases
Most gases compatible with 316L stainless steel (consult factory)
Mass Flow Rates
Air Flow Ranges
(1)
Pipe Size
Minimum
Maximum
(2) (3)
scfm
(nm
3
/hr)
scfm
(nm
3
/hr)
1/4-inch
0–0.5
(0–0.7)
0–9
(0–14)
1/2-inch
0–2
(0–3.0)
0–40
(0–60)
3/4-inch
0–4
(0–5.9)
0–75
(0–120)
1-inch
0–6
(0–8.9)
0–120
(0–180)
1 1/2-inch
0–15
(0–22)
0–280
(0–440)
2-inch
0–23
(0–33)
0–470
(0–680)
3-inch
0–50
(0–74)
0–1000
(0–1500)
4-inch
0–90
(0–130)
0–1800
(0–2700)
6-inch
0–200
(0–300)
0–4000
(0–5900)
8-inch
0–350
(0–520)
0–7000
(0–10,000)
Notes:
(1) Flow rates for air and nitrogen. Standard conditions: 70°F
and one atmosphere for scfm; 0°C and one atmosphere for
nm
3
/hr. Consult factory for other gases.
(2) Higher flow ranges available, consult factory.
(3) Maximum flow rates are limited for hazardous area
and high temperature versions, consult factory.
Dual Calibration
User-selectable dual ranges or two different gases
Gas Pressure
150 lb flange or PN16 DIN (–40° F to 100° F): 230 psig (15.9 barg) maximum
150 lb flange or PN16 DIN (250° F): 185 psig (12.8 barg) maximum
150 lb flange or PN16 DIN (450° F): 155 psig (10.7 barg) maximum
NPT (–40° F to 450° F): 500 psig (34 barg) maximum, 5 to 150 psig
(0.3 barg to 10 barg) optimum
Gas & Ambient Temperature Gas...............–40° to 250°F (–40° to 120°C) Optional –40° F to 450° F
(–40° C to 230° C) not available on 1/4 and 1/2-inch flow bodies
Ambient........–5° to 120°F (–20° to 50°C)