ISDP系列 本安防爆型微差壓變送器-德威爾Dwyer
ISDP系列 本安防爆型微差壓變送器采用NEMA 4X的防護(hù)，輸出4-20mA信號(hào)，大屏的LCD顯示，可編程顯示差壓，流速或流量。可通過(guò)面板的按鍵來(lái)編程設(shè)置：安全級(jí)別，英制公制的工程單位，風(fēng)速或風(fēng)量，皮托管K系數(shù)，圓管，矩形管尺寸用于計(jì)算流量，等等。ISDP采用兩線(xiàn)制，10-35V電源，帶4針M-12連接頭。它的精度為0.5%， 量程范圍從0.25 - 100英寸水柱，還有正負(fù)雙向量程到10英寸水柱。這些使得ISDP變送器非常適用于危險(xiǎn)場(chǎng)合來(lái)監(jiān)測(cè)差壓或風(fēng)速風(fēng)量，防爆級(jí)別為Class I Div. I Groups A, B, C, D; Class II Div. I Groups E, F, G; Class III Div. I 。
Service: Air and non-corrosive gases.
Wetted Materials: Ranges 5 in w.c. and Greater: glass, PVC, silicon, alumina ceramic, epoxy, RTV, gold, aluminum, stainless steel and nickel; Ranges 1 in w.c. and Lower: stainless steel, silicone, gold, ceramic.
Housing Materials: Aluminum, glass.
Accuracy: ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warm-up).
Stability: < ±1% per year.
Pressure Limits: Ranges ≤ 2.5 in w.c.: 2 psi; 5 in w.c.: 5 psi; 10 in w.c.: 5 psi; 25 in w.c.: 5 psi; 50 in w.c.: 5 psi; 100 in w.c.: 9 psi.
Temperature Limits: 32 to 140°F (0 to 60°C).
Compensated Temperature Limits: 32 to 140°F (0 to 60°C).
Thermal Effects: 0.020%/°F (0.036/°C) from 77°F (25°C).
Power Requirements: 10 to 35 VDC.
Output Signal: 4 to 20 mA DC.
Zero & Span Adjustments: Accessible via menus.
Response Time: 250 ms (damping set to 1).
Display: 4 digit LCD 0.6" height.
Electrical Connections: M-12 4 PIN Connector.
Process Connections: 1/8" female NPT.
Enclosure Rating: Designed to meet NEMA 4X (IP66).
Mounting Orientation: Mount unit in vertical plane.
Weight: 2 lb 10 oz (1.19 kg).
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