Gas Monitors

MSA SAFETY SALES, LLC2 NATIONAL ENERGY EQUIPMENT1 PRAXAIR4 RIDGE TOOL COMPANY1

Emerson 1 GALAXY® GX2 Automated Test System 13 Industrial Scientific 213 Justrite 1 MSA 91 MSA Link Pro is now Safety io Grid Fleet Manager 1 Praxair 4 RAE Systems 9 Ridgid Tool 1

Battery Pack 1 Body Harness Kit 1 Calibration Gas 55 Calibration Gas Cylinder 1 Calibration Gas Kit 2 Calibration Gas Regulator 1 Calibration Kit 5 Calibration Station 2 Carbon Mask 1 Combustible Gas Detector 1 Confined Space Kit 2 Cover 1 Datalink Module 1 Demand Flow Regulator 2 Demand Regulator 1 Detection Tube 11 Display Connector Kit 1 Docking Module without Charging Cable 2 Docking Station 4 Dust Filter 1 Electronic Cylinder Holder 1 Enabler Kit 1 Filter 1 Front Assembly Case 1 Front Housing with Integrated Dust Filter 2 Gas Detector Docking Module 1 Gas Monitor Docking Station 5 Gas Monitor Replacement Sensor 36 Gas Monitor Test Station 5 Gas Regulator 5 Gas Regulator Manifold Kit 1 Gas Regulator with Pressure Switch 6 Gasket 1 High Pressure Regulator 1 Holder 1 IR Connectivity Kit 1 Inline Dust Filter 1 Inline Water Stop 1 Interface Adapter 1 LCD Assembly 1 LCD Frame Assembly 1 Link Pro Digital Software Key 1 Luer Fitting 1 Matched Flow Regulator 1 Multi Gas Detector 5 Multi-Gas Detector 8 Multi-Gas Detector Confined Space Kit 1 Multi-Gas Detector with Pump 1 Multi-Gas Monitor 1 Multigas Detector 7 Multigas Detector Module 2 Multigas Detector Module with Pump 2 Multigas Detector with Diffusion 13 Multigas Detector with Pump 5 Neck Lanyard with Safety Release 1 Organic Vapor Monitor 2 Organic Vapour Monitor 1 PID Sensor 1 Power Supply Cord 1 Printer Cable 1 Pump Kit 1 Pump Probe with Charger 1 Quad Sensor Screen 1 Quad Sensor Screen Filter 3 Receipt and Sticker Label Roll 1 Remote Sensor 1 Replacement Filter 2 Replacement Gortex Filter Insert 1 Replacement Sensor 2 Replacement Wall Outlet Adaptor 1 Sampling Line 3 Sampling Line Tube 1 Sampling Probe 1 Sampling Pump 3 Sampling Pump Module 1 Sampling Tubing Kit 1 Screw 1 Sensor 4 Sensor Assembly 1 Sensor Barrier Assembly 1 Sensor Kit 2 Sensor Screen 1 Sensor Screen with Gasket 1 Single Gas Cylinder 1 Single Gas Detector 28 Single Gas Monitor 3 Single Gas Monitor with Alarm Setting 1 Sleeve Flashback Arrestor 1 Smoke Detector with Base 1 Smoke Sensor 3 Smoke Tube Kit 1 Suspender Clip 1 Suspender Clip Spacer 1 Test Stand Printer 1 USB Adapter Cable 1 Vehicle Battery Charger 2 Vehicle Power Adaptor 1 Ventilation Smoke Tube 1 Wall Mount Adapter 1 Water Barrier Kit 1 Water Barrier/Filter Replacement Sensor 1 Water/Dust Sensor Barrier 1

Cloud Connected, 3-Port 2 Compact 8 Compact, Lightweight, Water Resistant 1 Demand Flow 6 Disposable, Personal 1 Dockable 7 Electrochemical 12 Fixed Flow 1 Free Standing 1 General Purpose 1 Handwheel Adjustment 1 High Capacity 1 LEL Explosive 1 Large, Electrochemical 8 Long Skirt and Nose Cup 1 Maintenance Free 3 Manual Shut-off 2 Motorized 1 Motorized, Slide-On 1 Multi Unit 1 Multi Unit, Cradle 2 Non-Reactive 15 Non-Reactive, Recyclable 1 PID 1 Photoelectric 1 Portable 6 Quad 1 Reactive 15 Rechargeable 1 Rectangular 1 Rectangular, Free Standing 1 Replacement 6 Robust 1 Screw On 1 Single 1 Single-Unit, Truck-Mount, Hardwired 1 Slide-On 2 Small 1 Small, Catalytic Bead 3 Small, Electrochemical 3 Small, Infrared 2 Standalone, 3-Port 3 Standalone, Transportable 2 Standard 3 Standard Standalone 1 Standard Standalone, Charging 1 Straight, Air Line 1 Surface Mount 1 Universal 1 Water Stop 1 XXS 1

DualSense®, Tango® 2 Econo-Cal™ 5 Fisher™ 1 GALAXY® GX2 7 GALAXY®, Solaris 2 Gas Miser® 1 GasAlert Extreme 7 GasAlertMax XT II 2 GasAlertMicro 5 1 GasAlertMicroClip 3 GasAlertMicroClip XT 1 GasAlertQuattro 4 GasBadge® 1 GasBadge® Pro 9 IntelliDoX 2 JetEye 1 MicroDock II 7 Pac® 6000 1 Pac® 6500 1 Polytron® 7000 1 Portagas™, Portagreen™ 1 Prosolv® 1 Radius™ BZ1 2 Rattler™ 1 SafeCore™ 4 T40 Rattler™ 1 Tango® 2 ToxiPro® 1 V-Cal™ 2 Ventis® MX4 15 Ventis® Pro 5 2 X-am® 2500 1 XCell® 1 iBrid™ MX6 11

1 ppm (CO), 0.1 ppm (H2S) 3 1% (CH4), 1% (LEL), 0.1% (O2), 1 ppm (CO), 0.1 ppm (SO2) 1 1% (LEL), 0.1 ppm (H2S), 0.1 ppm (SO2), 0.1% (O2) 1 1% (LEL), 0.1% (O2) 2 1% (LEL), 0.1% (O2), 0.1 ppm (H2S) 2 1% (LEL), 0.1% (O2), 0.1 ppm (SO2), 0.1 ppm (H2S) 2 1% (LEL), 0.1% (O2), 1 ppm (CO) 2 1% (LEL), 0.1% (O2), 1 ppm (CO), 0.01 ppm C(O2) 1 1% (LEL), 0.1% (O2), 1 ppm (CO), 0.1 ppm (H2S) 14 1% (LEL), 0.1% (O2), 1 ppm (CO), 0.1 ppm (H2S), 0.1 ppm (NO2) 1 1% (LEL), 0.1% (O2), 1 ppm (CO), 0.1 ppm (H2S), 0.1 ppm (SO2) 1 1% (LEL), 0.1% (O2), 1 ppm (CO), 0.1 ppm N(O2) 2 1% (LEL), 0.1% (O2), 1 ppm (CO), 1 ppm (H2S), 1 ppm (SO2) 1 1% (LEL), 0.1% (O2), 1 ppm (H2S), 1 ppm (CO) 1 1% (LEL), 0.1% Vol (O2), 5 ppm (CO), 1 ppm (H2S) 1 1% (LEL), 0.1% Vol (Oxygen), 1 ppm (Carbon Monoxide), 1 ppm (Hydrogen Sulfide), 0.1 ppm (Nitrogen Dioxide) 1 1% LEL 4 1% LEL or 0.1% Vol 1 1% Vol 1 H2S (1 ppm Increments), CO (1 ppm Increments), O2 (0.1 % v/v Increments), LEL (0.1 % v/v Increments), VOC (1 ppm Increments) 1

CH4, CO, O2, H2S, HCN 2 CH4, O2, CO, H2S, SO2 1 CO 9 CO, H2S, CH4 2 CO, H2S, CO2, CH4 1 CO, NO2, O2, Methane 1 CO2 2 Carbon Monoxide 2 Carbon Monoxide, Methane, Oxygen, Hydrogen Sulfide, Balance Nitrogen 1 Carbon Monoxide, Methane, Oxygen, Hydrogen Sulfide, Sulfur Dioxide, Nitrogen 2 Chlorine 3 Cl2 1 Combustible, O2, Toxic 1 H2 1 H2S 7 H2S, CO, CH4, O2 1 HCN 3 Hydrogen Chloride 1 Hydrogen Sulfide 3 Hydrogen Sulfide, Carbon Monoxide, Methane, Oxygen 1 Isobutylene, N2 1 LEL CH4 1 LEL, O2, H2S, CO 1 LEL, O2, H2S, CO, PID 1 LP 1 Methane 2 NH3 2 NO2 6 Nitrogen 2 Nitrogen Dioxide 1 O2 5 O2, CO, H2S, C5H12 1 O2, H2S, C5H12 1 O2, H2S, Pentane 1 O3 1 Oxygen 1 Oxygen, Isobutylene, CH4, Butane, Propane, Pentane, Hexane, Nitrogen Gas, Zero Air THC 1 Oxygen, Pentane, Carbon Monoxide, Hydrogen Sulfide, Sulfur Dioxide, Nitrogen 1 PH3 1 Pentane 1 Phosphine 1 Propane 2 SO2 5 SO2, N2 1 Sulfur Dioxide (SO2) 1

10 ppm Nitrogen Dioxide 1 10 ppm Sulfur Dioxide 1 100 ppm Carbon Monoxide, Balance Nitrogen 1 100 ppm Carbon monoxide, 5 ppm Nitrogen Dioxide, 18% Oxygen, 2.5% Methane 1 100 ppm Cl2 1 125 ppm 0.0001 - 0.05% Hydrogen Sulfide, 99.95 - 99.9999% Nitrogen 1 15% Oxygen, 300 ppm Carbon Monoxide, 35 ppm Hydrogen Sulfide, 1.3% Methane 1 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, 1.45% Methane 1 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, 2.5% Methane 1 2.5% CH4, 20.9% O2, 25 ppm H2S, 100 ppm CO, N2 Balance 1 2.5% Methane 1 20.9% Oxygen, Nitrogen Balance 1 25 ppm 0.0001 - 0.05% Hydrogen Sulfide, 99.95 - 99.9999% Nitrogen 2 25 ppm Ammonia, N2 Balance 1 25 ppm H2S Balance Air 1 25 ppm H2S, 100 ppm CO, 1.25% CH4 1 25 ppm H2S, 18% O2, 25% LEL Pentane 1 25 ppm Hydrogen Sulfide 1 25 ppm Hydrogen Sulfide, 100 ppm Carbon Monoxide, 2.5% Methane, 18% Oxygen, N2 Balance 1 25 ppm Hydrogen Sulfide, 100 ppm Carbon Monoxide, Nitrogen, 3500 PPM Pentane (25% LEL), 18% Oxygen 1 25 ppm NO2 1 25 ppm SO2, N2 Balance 1 25% LEL Propane 1 300 ppm Carbon Monoxide 1 35 ppm SO2/N2 1 40 ppm Hydrogen Sulfide, N2 Balance 1 5 ppm Nitrogen Dioxide 2 5% Carbon Dioxide 1 50 ppm 0.001 - 0.0999% Carbon Monoxide, 76.4001 - 80.499% Nitrogen, 19.5 - 23.5% Oxygen 1 50 ppm Carbon Monoxide 1 60 ppm Carbon Monoxide, 1.45% LEL, 15% Oxygen, 20 ppm Hydrogen Sulfide, 10 ppm Sulfur Dioxide 2 72.975 - 99.9965% Nitrogen, 0.0015 - 23.5% Oxygen, 0.0005 - 2.5% Methane, 0.0005 - 1% Carbon Monoxide, 0.001 - 0.025% Hydrogen Sulfide 1 74.7 - 79.099% Nitrogen, 20.9% Oxygen, 0.0001 - 4.4% Methane 1 75.51 - 80.49% Nitrogen, 19.5 - 23.5% Oxygen, 0.00001 - 0.99% Sulfur Dioxide 2 75.75 - 80.4% Nitrogen, 19.5 - 23.5% Oxygen, 0.1 - 0.75% n-Pentane 1 76.4001 - 80.499% Nitrogen, 19.5 - 23.5% Oxygen, 0.001 - 0.0999% Carbon Monoxide 1 80.25 - 99.9% Nitrogen, 0 - 19% Oxygen, 0.1 - 0.75% Pentane 1 <= 21.5% Oxygen, <= 2% Hydrogen, Balance Nitrogen 2 <= 21.5% Oxygen, <= 2.5% Methane, Balance Nitrogen 1 > 99.99% Nitrogen 1 Bump Gas CH4 50% LEL Air 1