美國omega FTB3001橢圓齒輪流量計(jì)
 

容積式(PD)流量計(jì)
FTB3001FTB3002
容積式(PD)流量計(jì)

無齒橢圓齒輪結(jié)構(gòu)（）
高精度
緊湊設(shè)計(jì)
高分辨率電子輸出
溫度176 C（350 F°° ）
額定壓力為3000 psig 1 NPT配件標(biāo)準(zhǔn)
多軸承的選擇
316不銹鋼結(jié)構(gòu)（標(biāo)準(zhǔn)）
沒有特殊的齒輪高粘度 需要
線性不受粘度變化
1年底裝修標(biāo)準(zhǔn)法蘭MNPT，可選
 

The oval-shaped smooth gears in the FTB3000 Series are used to displace a precise volume of fluidwhich is passed through th emeasurement chamber during each revolution. The toothless designworking with the fluid being measured provides a complete viscous seal within the measuring chamber. This sealing effect provides for greater flow measurement accuracy.
The displacement of the fluid is translated via a magnetic or Hall-effect pick-up into a pulse output that is proportional to the flow.
The unique design of the FTB3000 oval gear meter incorporates two smooth(toothless) oval gears positioned 90 degrees out of phase. The measurement gears are held together by two timing gears. The standard meter contains no seal between the measurement chamber and the timing chamber. The timing gears have a pitch diameter equal to the outside diameter of the measurement gears. The flow through the meter measurement chamber follows the path of least resistance. Therefore no liquid passes through the center cavity between the measurement gears. The fluid is displaced from the inlet to the outlet via the area between the smooth oval gear and the inner diameter of the meter housing.
Conventional oval gears have teeth that mesh. One of the advantages of smooth oval gears is that the viscous flow does not get trapped or squeezed between the gears. Typically oval gears need to have cuts made in the teeth to allow high viscosity fluids to pass. These cuts result in a decrease in accuracy.
SPECIFICATIONS
Service Fluid: Clean liquids max particle size 3.175 mm (0.125")
Accuracy: ±0.25% of reading
Viscosity: 100 cSt or greater
Repeatability: ±0.05%
Operating Temperature:
FTB3001: -240 to 176°C (-400 to 350°F)
FTB3002: -40 to 150°C (-40 to 302°F)
Operating Pressure: 3000 psig standard
Wetted Parts: 316 SS body and gears with PEEK? gear seats
Bearings: Shielded self-lubricating 440 SS ball bearings
Connections: 1 MNPT
Pick Up Coil: Magnetic type or Hall Effect (6 to 24 Vdc power)
Calibration: Ten-point calibration traceable to NIST @ 100 centistokes
Weight: 7.53 kg (16.6 lb)

產(chǎn)品型號/產(chǎn)品描述  
FTB3001 2 to 25 GPM rate magnetic pick-up 
FTB3002 0.02 to 25 GPM rate Hall-effect sensor
Accessories
U24Y175 24 Vdc 175 mA power supply
 
DPF701 Panel meter for rate or total
 

注釋: Add suffix “-150LBF” (150 lb stainless steel flange) or “-300LBF” (300 lb stainless steel flange) to the part number and $250 to the price.
Comes complete with operator’s manual mating connector and 10-point NIST calibration.

 美國omega FTB3001橢圓齒輪流量計(jì)
 

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