RKI Instruments Methane Routine-Span Alum 58L 724-103-32 acts as a secondary standard PRT probe for North American Standards in frequent multi-unit calibration and general purpose 50% LEL methane reference audits for routine span adjustments.

• Operating Range: 58 Liters High Pressure Aluminum.
• Accuracy Standard: High ±2% Analytical Accuracy.
• Certified Compliance: Medium-Volume Aluminum Efficiency Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.

RKI Instruments Methane SDM-Station Steel 103L 724-103-33 delivers a secondary standard PRT probe for International Standards in stationary maintenance hubs and large-volume 50% LEL methane reference audits for SDM-Series docking stations.

• Operating Range: 103 Liters High Pressure Steel.
• Accuracy Standard: High 1000 psig Pressure Rating.
• Certified Compliance: NIST Traceable Reference Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.

RKI Instruments Methane SS-Valve Alum 58L 72-5380RKS acts as a secondary standard PRT probe for North American Standards in high-frequency field service and enhanced durability 50% LEL methane reference audits for stainless steel valve configurations.

• Operating Range: 58 Liters High Pressure Aluminum.
• Accuracy Standard: High ±2% Analytical Accuracy.
• Certified Compliance: Enhanced Durability S-Series Hardware Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.

RKI Instruments Methane Field-Kit Alum 34L 72-5420RK functions as a secondary standard PRT probe for North American Standards in utility sectors and standard 50% LEL methane span calibration audits for individual technician field kits.

• Operating Range: 34 Liters High Pressure Aluminum.
• Accuracy Standard: High ±2% Analytical Accuracy.
• Certified Compliance: NIST Traceable Reference Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.

RKI Instruments 72-5425RK Utilizing a durable steel construction for permanent benchtop setups, this unpowered calibration gas compound provides automated SDM-Series docking hub verification and features a 4-year shelf life warranty.

• Holds non reactive 2.5% volume methane.
• Leverages durable heavy gauge steel.
• Spans 1000psig high pressure ratings.
• Provides traceable NIST calibrated reference.
• Employs standard C-10 mechanical valves.

RKI Instruments Methane Multi-Cal Alum 58L 72-5426RK acts as a precision thermal calibration unit for North American Standards in general purpose routine span adjustments and 50% LEL methane reference audits for frequent multi-unit calibration.

• Operating Range: 58 Liters High Pressure Aluminum.
• Accuracy Standard: High ±2% Analytical Accuracy.
• Certified Compliance: Medium-Volume Aluminum Efficiency Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.

RKI Instruments Methane SDM-Dock Steel 103L 72-5432RK acts as a precision thermal calibration unit for North American Standards in stationary maintenance hubs and large-volume 50% LEL methane reference audits for SDM-Series docking stations.

• Operating Range: 103 Liters High Pressure Steel.
• Accuracy Standard: High ±2% Analytical Accuracy.
• Certified Compliance: Heavy-Duty Stationary Maintenance Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.

RKI Instruments 72-5433RK Utilizing a durable steel construction for permanent benchtop setups, this unpowered calibration gas compound provides centralized maintenance instrument verification and features a 4-year shelf life warranty.

• Holds non reactive fifty percent.
• Leverages durable heavy gauge steel.
• Spans 1000psig high pressure ratings.
• Provides traceable NIST calibrated reference.
• Employs standard C-10 mechanical valves.

RKI Instruments Methane Heavy-Duty Steel 103L 72-5436RK functions as a secondary standard PRT probe for North American Standards in stationary maintenance hubs and large-volume 50% LEL methane reference audits for SDM-Series automated docking stations.

• Operating Range: 103 Liters High Pressure Steel.
• Accuracy Standard: High 1000 psig Pressure Rating.
• Certified Compliance: Heavy-Duty Steel Cylinder Durability Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.

RKI Instruments Methane Compliance Alum 34L 72-5444RK functions as a secondary standard PRT probe for North American Standards in routine mobile utility inspections and 50% LEL methane span audits for compliance and safety kit integration.

• Operating Range: 34 Liters High Pressure Aluminum.
• Accuracy Standard: High ±2% Analytical Accuracy.
• Certified Compliance: Routine Mobile Utility Inspection Standard.
• Data Logging: 48 Month Non-Reactive Stability Records.
• Process Connection: C-10 5/8-18 UNF Valve Interface.