特性
介质: Compatible gases & liquids.
接液材质: Brass, silicone, 300 SS.
精度: Transmitter Output: ±2% F.S. (includes linearity, hysteresis and repeatability). Gage: ±3% of full scale at 70°F (21.1°C).
稳定性: ±1% F.S./yr.
温度限制: 20 to 120°F. (-6.67 to 48.9°C).
压力限制: -20" Hg to 500 psig (0.677 to 34.4 bar).
热效应: 0.025%/°F (0.045%/°C) includes zero & span.
电源: 10-35 VDC.
输出: 4 to 20 mA.
环路阻抗: 0-1250 ohms maximum.
电气连接: M-12 circular 4 pin connector.
连接: 1/4" female NPT high and low pressure taps, duplicated - one pair top for air and gas, and one pair bottom for liquids.
封装: Designed to meet NEMA 4X (IP66).
安装方向: Diaphragm in vertical position. Consult factory for other position orientations.
重量: 8 lb 4 oz (3.74 kg).
认证: CE.

型号	描述
631B-0	液体/气体压差变送器, 范围 0-0.5" w.c.
631B-1	液体/气体压差变送器, 范围 0-1" w.c.
631B-2	液体/气体压差变送器, 范围 0-2" w.c.
631B-3	液体/气体压差变送器, 范围 0-5" w.c.
631B-5	液体/气体压差变送器, 范围 0-25" w.c.