Brooks Instrument MT3809E - Manual (Page 8)

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Section 1 Introduction
Models MT 3809 & 3819
Installation and Operation Manual
X-VA-MT3809-3819-eng
Part Number: 541B049AHG
September, 2008
Repeatability
0.25% Full Scale
Pressure Ratings
Refer to Table 1-2 for Model MT 3809 maximum non-shock pressure.
Model MT 3819 pressure rating is dependant on flange rating.
Pressure Equipment Directive (PED) 97/23/EC
Flow meter complies under Sound Engineering
Practices (SEP) or Catagories I, II or III
Scales
Standard: Detachable aluminum plate (Single or dual scales)
Graduations: Choice of direct reading units, percentage of maximum flow
Operating Fluid Temperature Limits (Meter only)
Minimum MT 3809 and MT 3819: -20°F (-29°C)
Maximum:
Standard MT 3809: 420°F(215°C)
Standard MT 3809 with Valve: 392°F(200°C)
Standard MT 3819: 302°F (150°C)
Refer to Table 1-3 for temperature limitations for meters with electronics.
Materials of Construction:
Metering Tube
MT 3809 Standard: 316L stainless steel
MT 3809 Optional: Inconnel 625™, Hastelloy B™, Hastelloy C™, titanium
MT 3819 Standard: 316L stainless steel with ETFE (Tefzel) lining