Analyzers and Sensors for Process Industries

Analyzers and sensors for oxygen and hydrogen sulphide Designed for safe and reliable operation in harsh and challenging process environments, our O₂ and H₂S analyzers have proven themselves installations around the world. With their simple and economic operation, they are the preferred choice of engineers for the demanding applications in natural gas exploration, extraction and transmission as well as in petrochemical and refinery plants.

GPR-7500 and GPR-7100 Easy to operate Hydrogen Sulphide Analyzers ATEX & UL certified variants Accurate to < 2% of scale with an LDL of 0.1 ppm H2S Dedicated sample handling systems are included Optional liquid drain system (for entrained liquids) 24 month typical sensor life (simple to exchange) Easy to use HMI for set-up, operation and field calibration	GPR-18 Series and GPR-28 Series Explosion-Proof Oxygen Analyzers (Exd) High quality galvanic oxygen sensor technology Long O2 sensor life 24 to 36 months for low maintenance No need for frequent electrolyte top-up Field-proven superior electrochemical sensor stability Accuracy ±2% of selected range Sensitivity < 0.5% of range 4 standard measurement ranges Flame arrestors fitted (standard)	GPR-1200 & GPR-3500 Fast Responding Oxygen Analyzers Measurement ranges from 0-10 ppm up to 0-100% O₂ Accuracy of better than 2% of range 24-32 months sensor life span (in normal use) Up to 30 days battery life Internal pump option 0-1V output XLT sensor options for CO₂ backgrounds Rugged industrial enclosures
GPR-1000, GPR-1100, GPR-2000 & GPR-3500 General Purpose Portable Oxygen Analyzers from 0.1 ppm up to 100% oxygen Rugged- made to last in field operation Easy to use Up to 30 days battery life (40 hours with pump) Measurement ranges from 0-10 ppm up to 0-100% O₂ 24 to 32 months sensor life span (in normal use) Lightweight – 2.5Kgs Internal pump option 0-1V output XLT sensor options for CO₂ backgrounds	GPR-1500 Series Oxygen Analyzers for Natural Gas Four measurement ranges provided LDL of 50 ppb Measures in CO₂ backgrounds with XLT sensor Sensor life of up to 24 months Simple, intuitive HMI Optional Modbus Range of sampling options available	GPR-1500 GB & GPR-2500 GB Oxygen Monitor for Glove Boxes and Confined Spaces Measurement ranges from 0-10ppm up to 0-25% O₂ Accuracy of better than 2% of range 24 months sensor life span (in normal use) 4-20 mA output 18-24V loop powered XLT sensor options for CO₂ backgrounds
GPR-2800 Series Process Oxygen Analyzers for Hazardous Areas UL or ATEX certified for use in hazardous areas Four measurement ranges 0-1%, 0-5%, 0-10% & 0-25% O₂ Low maintenance with an average sensor life of up to 32 months (for GPR sensor) Sample in CO₂ backgrounds with XLT sensor Easy to use HMI Optional Modbus communications Optional liquid drain option for removing entrained liquids	GPR-35, GPR-2500 SN (ATEX), GPR-2800 IS Room Oxygen Deficiency Monitors with Alarm Low maintenance with typically 32 months oxygen sensor life Audible and visual oxygen deficiency alarm available Up to four measurement ranges Accuracy of <2% of span Mains power with battery back-up (GPR-35) Remote oxygen sensor & pump options (GPR-35) Analog output for connection to DCS 12-28 V DC operation (GPR-2500 versions)	GPR-1800 IS, GPR-1800 AIS Trace Oxygen Industrial Gas Analyzer Four measurement ranges provided LDL of 50 ppb Measures in CO₂ with XLT sensor Sensor life of up to 24 months Simple, intuitive HMI Barometric pressure and temperature compensation Two user configurable alarms Optional Modbus Range of sampling options available
	GPR-2500 Series Wall Mounted Percent Oxygen Analyzer Advanced galvanic electrochemical sensors Measuring oxygen in ranges: 0-1% up to 0-100% (model dependant) Accuracy of better than 2% of selected range Auto-ranging or fixed range (user selectable) Long lifespan of the GPR sensor of 32 months and more Simple to use HMI