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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)