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北京化工研究院研制的S-LZD-B型金属管转子流量计变送器及S-OC-B型关联信号转换器于1988年8月11日在北京通过化工部部级鉴定。会议认为本仪表具有体积小、灵敏度及可靠性高、防爆性能优良等特点,防爆标志为iaⅡCT_4属于本质安全防爆仪表,可用于易燃易爆场所的流体流量的精密测量。测量范围:液体为2.5～100L/h、气体为75～3000L/h,输出为线性的4～20mA或0～10mA,可与DDZ-Ⅲ、DDZ-Ⅱ或国外同类自动化仪表组合,实
Beijing Chemical Research Institute developed S-LZD-B-type metal tube rotor flowmeter transmitter and S-OC-B-related signal converter on August 11, 1988 in Beijing through the Ministry of Chemical Industry ministerial identification. Meeting that the instrument has a small size, high sensitivity and reliability, explosion-proof performance and other characteristics of the explosion-proof flag ia Ⅱ CT_4 belong to intrinsically safe explosion-proof instrumentation, can be used for flammable and explosive places of the precise measurement of fluid flow. Measuring range: liquid is 2.5 ~ 100L / h, gas is 75 ~ 3000L / h, the output is linear 4 ~ 20mA or 0 ~ 10mA, with DDZ-Ⅲ, DDZ-Ⅱ or similar foreign automation instruments,