北京朗潤達(dá)科貿(mào)有限公司
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北京朗潤達(dá)科貿(mào)有限公司
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更新時(shí)間：2026-05-25 15:39:52瀏覽次數(shù)：92次
聯(lián)系我時(shí)，請(qǐng)告知來自 儀表網(wǎng)641B系列風(fēng)速變送器采用熱式質(zhì)量流量傳感技術(shù)。可選量程范圍從250 FPM 到 2000 FPM或公制單位1.25 MPS 到 10 MPS。 應(yīng)用及案例? Exhau......
產(chǎn)品特色
? SS sensor suitable for dirty air flow measurement
? Ranges from 250 FPM (1.25 MPS) to 2000 FPM (10 MPS)
? 4 to 20 mA output
? Digital filter for signal damping
Service: Air And Compatible, Non-Combustible Gases.
Accuracy: 5% FS Process Gas: 32 To 122°F (0 To 50°C); 6% FS Process Gas: -40 To 32°F & 122 To 212°F (-40 To 0°C & 50 To 100°C).
Response Time: Flow: 1.5 Seconds To 95% Of Final Value (Output Filter Set To Minimum).
Temperature Limits: Process: -40 To 176°F (-40 To 80°C). Ambient: 32 To 140°F (0 To 60°C).
Humidity Limit: Non-Condensing.
Power Requirements: 12-35 VDC, 10-16 VAC. 1.5 A Rating Required On Supply Due To Initial Power Surge Drawn By Transmitter.
Output Signal: 4-20 MA, Isolated 24V Source, 3 Or 4-Wire Connection.
Output Filter: Selectable 0.5-15 (Seconds).
Loop Resistance: 600 Ohms Max.
Current Consumption: 300 MA Max*.
Electrical Connections: Screw Terminal.
Enclosure Rating: Designed To Meet NEMA 4X (IP66).
Mounting Orientation: Unit Not Position Sensitive.
Weight: 12.6 Oz (357.2 g).
*A Brief Current Transient Exceeding 300 MA May Be Seen On Startup.
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