FMA-872A-V流量計 美國omega

適用于所有潔凈氣體的高流速質量控制器和儀表
FMA-700A and FMA-800A
適用于所有潔凈氣體的高流速質量控制器和儀表

±1%精度（500 SLM），0.2%的可重復性 ±
低成本
對于流量達1000 SLM
為增加安全性 常閉閥
快速響應
高度不敏感
可移動的傳感管組件
歐米茄?fma-700a和800A系列質量流量計和控制器延長質量流量測量和控制的范圍從0到5 sccm的1000 SLM 50:1的調節能力。像所有的質量流量傳感器，這些新的單位質量流量的直接測量，無需溫度或壓力修正。
在加熱循環管的工作原理傳感器系列fma-700a和800A。單位功能的耐腐蝕不銹鋼和氟橡膠結構和325目（44微米）入口濾網防止傳感器污染。流閥體和閥泄漏小于10-8大氣壓氦氣CC /秒。萬一斷電，閥是常閉的。
fma-78p4 fma-78p2和2的和4通道讀出/電源/設定值控制電子盒使用fma-700a和800A系列質量流量傳感器。單位以0到102.4%全尺寸顯示，一個±15 VDC電源，設定電位器（質量流量控制器），電源線，和一個電連接器連接的電子盒的輸出。
fma-78p系列的率指標/電子封裝也有背面板混合控制開關選擇獨立/從操作的每個通道（通道1是主），和單位包括0至5伏直流電輸出的每個通道的記錄，數據采集，或計算機接口。

規格

Accuracy: ±1% full scale (up to 500 SLM), ±2% full scale for 750 to 1000 SLM
Repeatability: ±0.2% full scale
Turndown Ratio: 50:1
Response Time: 2.0 seconds
Analog Setpoint:
0 to 5 Vdc: Voltage output models
4 to 20 mA: Current output models
Linear Output:
Standard: 0 to 5 Vdc into 2000 Ω min.
Optional: 4 to 20 mA, into 200 to 750 Ω
Max Pressure:
??FMA-760A to FMA-772A: 1000 psig
FMA-773A to 778A: 200 psig
??FMA-860A to FMA-874A: 1500 psig
FMA-875A to FMA-878A: 1000 psig
?? For maximum pressures up to 3000 psig, consult Flow Engineering for quote.
Pressure Coefficient: 0.1% typical
Differential Pressure:
FMA-800A Series: 0.5 psid
FMA-700A Series: No less than 20% of supply pressure, depending on parameters
Temperature Range (Gas and Ambient): -10 to 70°C (14 to 158°F)
Temperature Coefficient: 0.05% full scale/°C
Wetted Parts: 316 SS body and sensing tube assembly, FKM elastomers, other materials available
POWER
Voltage Output Models: 12 Vdc (±5%) or 15 Vdc (±10%)
mA Output Models: 15 Vdc (±5%) or 24 Vdc (±15%)
Current Consumption:
FMA-800A: <45 mA DC
FMA-700A: <250 mA DC

產品型號/產品描述
Mass Flowmeters with Compression Fitting Connections
FMA-860A-V 1/8" 5 SCCM
FMA-861A-V 1/4" 10 SCCM
FMA-861-V 1/4" 10 SCCM, requires ±15 Vdc power supply
FMA-862A-V 1/4" 20 SCCM
FMA-862-V 1/4" 20 SCCM, requires ±15 Vdc power supply
FMA-863A-V 1/4" 50 SCCM
FMA-864A-V 1/4" 100 SCCM
FMA-865A-V 1/4" 200 SCCM
FMA-866A-V 1/4" 500 SCCM
FMA-867A-V 1/4" 1 SLM
FMA-868A-V 1/4" 2 SLM
FMA-869A-V 1/4" 5 SLM
FMA-870A-V 1/4" 10 SLM
FMA-871A-V 1/4" 15 SLM
FMA-871-V 1/4" 15 SLM, requires ±15 Vdc power supply
FMA-872A-V 1/4" 20 SLM
FMA-873A-V 1/4" 50 SLM
FMA-874A-V 1/4" 100 SLM
FMA-875A-V 3/8" 200 SLM
FMA-876A-V 3/8" 500 SLM
FMA-877A-V 1/2" 750 SLM
FMA-878A-V 3/4" 1000 SLM
Mass Flow Controllers with Compression Fitting Connections
FMA-760A-V-(*) 1/8" 5 SCCM
FMA-761A-V-(*) 1/4" 10 SCCM
FMA-762A-V-(*) 1/4" 20 SCCM
FMA-763A-V-(*) 1/4" 50 SCCM
FMA-764A-V-(*) 1/4" 100 SCCM
FMA-765A-V-(*) 1/4" 200 SCCM
FMA-766A-V-(*) 1/4" 500 SCCM
FMA-767A-V-(*) 1/4" 1 SLM
FMA-768A-V-(*) 1/4" 2 SLM
FMA-769A-V-(*) 1/4" 5 SLM
FMA-770A-V-(*) 1/4" 10 SLM
FMA-771A-V-(*) 1/4" 15 SLM
FMA-772A-V-(*) 1/4" 20 SLM
FMA-773A-V-(*) 1/4" 50 SLM
FMA-774A-V-(*) 1/4" 100 SLM
FMA-775A-V-(*) 3/8" 200 SLM
FMA-776A-V-(*) 3/8" 500 SLM
FMA-777A-V-(*) 1/2" 750 SLM
FMA-778A-V(*) 3/4" 1000 SLM
Electronic Boxes for voltage output units only
FMA-78P2 For up to 2 sensors?
FMA-78P4 For up to 4 sensors?
Accessories
FMA-78C10 10' interconnecting cable with connectors
FMA-78C25 25' interconnecting cable with connectors
FMA-78C50 50' interconnecting cable with connectors
FPW-15 15 Vdc power supply for "A" version only
 

注釋: Comes complete with operator's manual and mating connector.
(*)Replace asterisk in part number with gas name and inlet/outlet pressure.
For 4-20 mA output replace the "-V" suffix with "-I", no additional cost.
NOTE: All flow ranges are specified for Nitrogen or Air. when used for other gases, a correlation factor is used to determine flow rate.
Calibrations done at ambient temperature only (20° or 70°F)
For NIST calibration, add suffix, "-NIST" to model number, add $250 to cost.
?? For maximum pressures up to 3000 pounds, consult Flow Engineering for a quote.
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)

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