英国Contrec是质量流量仪表的生产商，拥有超过40年的工程经验。ontrec为石油天然气、化工和石化、食品和饮料、能源、水循环等行业生产各种各样的累加器、批量控制器和回路供电指示器等产品。

Contrec 102A Flow Rate Totaliser / Contrec 102A 流量类机器

Contrec 102D Rate Totaliser / Contrec 102D 速率累加器

Contrec 103D Field Mounted Rate Totaliser – DC Powered / Contrec 103D 速率累加器（直流供电）

Contrec 104D Field Mounting Rate Totaliser – Loop Powered / Contrec 104D 速率累加器（回路供电

Contrec 114D Frequency/Pulse Input Batch Controller / Contrec 114D 频率-脉冲累加器

Contrec 120A Level Monitor / Contrec 120A 液位监测仪

Contrec 150A Process Indicator / Contrec 150A 过程显示表

Contrec 202A Analogue Input Rate Totaliser / Contrec 202A 速率累加器

Contrec 202D Field Mounting Flow Totaliser – Battery, Loop or DC Powered / Contrec 202D 流量计

Contrec 214D Pulse/Frequency Input ATEX/IECEx Batch Controller / Contrec 214D 流量计

Contrec 220 ATEX Level and Contents Display / Contrec 220 液位计

Contrec 212 Heat Calculator / Contrec 212 热量计

Contrec 250 Loop Powered Process Indicator / Contrec 250 过程显示仪

Contrec 415 Frequency Input Gas and Steam Computer (Optional EXD) / Contrec 415 流量计算机

Contrec 424 Batch Controller / Contrec 424 流量控制器

Contrec 430D Frequency Input, Numeric Keyboard Batch Controller / Contrec 430D 流量控制器

Contrec 425 Flow Computer / Contrec 425 流量计算机

Contrec Trac-50 Truck Register / Contrec Trac-50 流量计算机

Contrec 515 Series 流量显示表

Contrec 515 – PP01,

Contrec 515 – FA01, Contrec 515 – FA02, Contrec 515 – FA03

Contrec 515 – SC01, Contrec 515 – SC02, Contrec 515 – SC03, Contrec 515 – SC04, Contrec 515 – SC05, Contrec 515 – SC06, Contrec 515 – SC12

Contrec 515 – AC01,

Contrec 515 – BA01,

Contrec 515 – BC01, Contrec 515 – BC03,

Contrec 515 – BF01, Contrec 515 – BF02, Contrec 515 – BF03, Contrec 515 – BF04

Contrec 515 – BR01, Contrec 515 – BR02, Contrec 515 – BR03, Contrec 515 – BR04

Contrec 515 – CB01, Contrec 515 – CB02

Contrec 515 – FN01,

Contrec 515 – GN01, Contrec 515 – GN02, Contrec 515 – GN03, Contrec 515 – GN04, Contrec 515 – GN05, Contrec 515 – GN06, Contrec 515 – GN11, Contrec 515 – GN12, Contrec 515 – GN13, Contrec 515 – GN14, Contrec 515 – GN16,

Contrec 515 – FP01, Contrec 515 – FP02, Contrec 515 – FP03

Contrec 515 – HC01, Contrec 515 – HC02, Contrec 515 – HC03, Contrec 515 – HC04, Contrec 515 – HC06, Contrec 515 – HC12

Contrec 515 – CR01, Contrec 515 – CR02,

Contrec 515 – DP01,

Contrec 515 – DG01, Contrec 515 – DG02

Contrec 515 – MP01, Contrec 515 – MP02,

Contrec 515 – BS01, Contrec 515 – BS03

Contrec 515 – BT01,

Contrec 515 – GC01, Contrec 515 – GC02, Contrec 515 – GC03, Contrec 515 – GC04, Contrec 515 – GC06

Contrec 515 – FC01, Contrec 515 – FC03,

Contrec 515 – SA01

Contrec 515 – LM02

Contrec 515 – LK01

Contrec 515 – TA02

Contrec LoadPro 系列控制器