* 美國德威爾 dwyer 607系列微差壓變送器 *
精度為±0.25%或±0.5%，量程從0-0.1英寸水柱起
607系列 微差壓變送器能夠測到非常微小的差壓，并具有優(yōu)良的穩(wěn)定性和可靠性，精度有±0.25%或±0.5%，測量范圍從0-0.1到0-25英寸水柱，用途廣泛。超薄的玻璃纖維覆膜硅膜片可耐受振動或顫動，消除漂移。每個變送器都帶有NIST溯源證書。NEMA-2防護等級，堅固的不銹鋼外殼可保護其不受水份和灰塵的影響。它可用于空氣和其它兼容氣體。
Service: Air and nonconductive, noncorrosive gases.
Wetted Materials: Consult factory.
Accuracy: ±0.5% or ±0.25% F.S.
Stability: ±0.5% F.S.O./yr.
Temperature Limits: -20 to 160°F (-29 to 71°C), 10 to 95% RH.
Pressure Limits: 10 psig (0.69 bar).
Compensated Temperature Range: 35 to 135°F (2 to 57°C).
Thermal Effects: ±0.015% F.S./°F (zero and span).
Power Requirements: 12-36 VDC.
Output Signal: 4 to 20 mA DC, 2-wire.
Zero and Span Adjustments: Externally accessible potentiometers, non-interactive, ±10% F.S. adjustment.
Response Time: 250 msec max.
Loop Resistance: 0 to 1045 ohms Vmin=12V+[(.22A)(RL)].
Current Consumption: 3.6 mA (min).
Electrical Connections: Screw terminals.
Process Connections: Barbed stainless steel for 3/16" I.D. tubing.
Housing: 300 Series stainless steel (NEMA 2).
Weight: 1.04 lb (472 g).
Agency Approvals: CE.
