FTB-111涡轮流量计 美国omega
涡轮机流量计，采用经济型滚珠轴承设计 FTB-100 Series 涡轮机流量计，采用经济型滚珠轴承设计
NIST证书 1 / 2%的读数精度± 非金属轴承的寿命长 更换轴承领域可不丢失校准 拆卸快速方便维修 导流锥稳定低质量转子轴承寿命增加 4到20毫安，0-5 V，和缩放的频率输出
The FTB-100 Series of turbine meters have a sealed ball bearing design for high accuracy performance (±?% of reading, not full scale) at an economical cost. The non-metallic bearing retainers minimize friction, thereby allowing these meters to be used with clean fluids that have poor lubricating properties ( i.e.water). Ball bearings also give the widest linear flow range, particularly in larger turbines. Bearing replacement and clean-up are fast and easy, since all internal parts are easily accessible by removing a single nut. These turbine flowmeters have a low mass rotor design which allows rapid dynamic response, so they can be used in pulsating flow applications. Deflector cones eliminate downstream thrust on the rotor and allow hydrodynamic positioning of the rotor between the cones. This provides wider rangeability and longer bearing life than conventional turbine flowmeters. Integral flow-straightening tubes minimize the effects of upstream turbulence. FTB-100 Turbine Meters are available with integral signal conditioners (as shown in photo) which provide scaled and unscaled frequencies, 4-20 mA, or 0-5 Volt outputs. Units without integral signal conditioners are supplied with mating connector for two-wire hook-up. SPECIFICATIONS Accuracy: ±?% of reading Repeatability: ±0.1% of reading Maximum Temperature Range: -268 to 232°C (-450 to 450°F) Maximum Intermittent Overrange: 150% of maximum range Minimum Output Amplitude: 30 mV Peak-to-Peak Unscaled Pulse Materials of Construction: Body: 304 stainless steel; 1/2 NPT bodies contain Silver Solder. 3/4 NPT and larger are welded. Rotor: 17-4 pH steel Bearings: Ceramic Minimum straight pipe requirements: 10 pipe diameters upstream, 5 downstream
产品型号/产品描述 FTB-101 0.35-3.5 GPM Range, Water; 1/2 MNPT FTB-102 0.75-7.5 GPM Range, Water; 1/2 MNPT FTB-103 1.25-9.5 GPM Range, Water; 1/2 MNPT FTB-104 1.75-16 GPM Range, Water; 3/4 MNPT FTB-105 2.5-29 GPM Range, Water; 3/4 MNPT FTB-106 4-60 GPM Range, Water; 1 MNPT FTB-107 6-93 GPM Range, Water; 1? MNPT FTB-108 8-130 GPM Range, Water; 1? MNPT FTB-109 15-225 GPM Range, Water; 2 MNPT FTB-110 25-400 GPM Range, Water; 2? MNPT FTB-111 40-650 GPM Range, Water; 3 MNPT 注释: Comes with NIST certificate for water and complete operator’s manual. Standard NIST calibration: Viscosity = 1CK: no charge; 0.8 CK to 0.99 CK: add $369; 2 CK to 100 CK: for FTB-101 through FTB-107, add $369; for FTB-108 and FTB-109, add $356, and for FTB-110 and FTB-111, add $465. If an integral signal conditioner is required please order as a system. Omega will scale the signal conditioner to the turbine meter.
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