Gas Monitors

NATIONAL ENERGY EQUIPMENT 1 RIDGE TOOL COMPANY 1

3M 4 Draeger 3 ALTAIR® 5X Multigas Detector 2 ALTAIR® Pump Probe 2 Jordair Compressors 2 ALTAIR® 4XR Multigas Detector 1 ALTAIR® Single-Gas Detector 1 Edwards-Signals 1 Emerson 1 Justrite 1 MSA Link Pro is now Safety io Grid Fleet Manager 1 Ridgid Tool 1

Single Gas Monitor with Alarm Setting 1 Gas Monitor Replacement Sensor 38 Detection Tube 11 Multigas Detector 11 Battery Charger 6 Gas Regulator with Pressure Switch 6 Calibration Kit 5 Docking Station 5 Gas Monitor Docking Station 5 Gas Monitor Test Station 5 Gas Regulator 5 Replacement Sensor 5 Sampling Line 4 Sensor 4 Quad Sensor Screen Filter 3 Sampling Pump 3 Sensor Kit 3 Smoke Sensor 3 Alarm Amplifier 2 Calibration Gas Kit 2 Calibration Station 2 Confined Space Kit 2 Demand Flow Regulator 2 Docking Module without Charging Cable 2 Front Housing with Integrated Dust Filter 2 Multigas Detector Module 2 Multigas Detector Module with Pump 2 Organic Vapor Monitor 2 Replacement Filter 2 Vehicle Battery Charger 2 Activated Carbon Filter 1 Alarm Muffler 1 Barrier Water Oxygen Sensor 1 Base Station 1 Battery Charger with North American Plug 1 Battery Cover 1 Battery Latch 1 Battery Pack 1 Belt Clip 1 Body Harness Kit 1 Calibration Gas Regulator 1 Calibration Testing Gas 1 Carbon Mask 1 Category 5E Cable 1 Combustible Gas Detector 1 Cover 1 Cylinder Holder 1 Datalink Module 1 Demand Regulator 1 Detector Chip 1 Diffusion Cap Assembly 1 Display Connector Kit 1 Dust Filter 1 Dust Filter/Water Stop 1 Electronic Cylinder Holder 1 Enabler Kit 1 Filter 1 Filter Cover Assembly 1 Filter Sensor 1 Front Assembly Case 1 Gas Detector Docking Module 1 Gas Detector Pump 1 Gas Regulator Manifold Kit 1 Gasket 1 High Pressure Regulator 1 Holder 1 IR Connectivity Kit 1 Inline Dust Filter 1 Inline Water Stop 1 Insert 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 Confined Space Kit 1 Multi-Gas Monitor 1 Neck Lanyard with Safety Release 1 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 Quick Disconnect Fitting 1 Receipt and Sticker Label Roll 1 Remote Sensor 1 Replacement Backup Battery 1 Replacement Belt Clip Kit 1 Replacement Gortex Filter Insert 1 Replacement Wall Outlet Adaptor 1 Sample Tube Kit 1 Sampling Line Tube 1 Sampling Probe 1 Sampling Pump Module 1 Sampling Tubing Kit 1 Screw 1 Sensor Assembly 1 Sensor Barrier Assembly 1 Sensor Screen 1 Sensor Screen with Gasket 1 Single Gas Cylinder 1 Sleeve Flashback Arrestor 1 Slide-On Pump 1 Smoke Detector with Base 1 Smoke Tube Kit 1 Suspender Clip 1 Suspender Clip Spacer 1 Test Stand Printer 1 USB Adapter Cable 1 Vehicle Power Adaptor 1 Ventilation Smoke Tube 1 Vibrating Alarm Motor 1 Wall Mount Adapter 1 Water Barrier Kit 1 Water Barrier/Filter Replacement Sensor 1 Water/Dust Sensor Barrier 1

Replacement 8 Dockable 7 Demand Flow 6 Non-Wireless 5 Wireless 5 2-Inlet 4 Catalytic 3 Small, Catalytic Bead 3 Small, Electrochemical 3 Standalone, 3-Port 3 Standard 3 Cloud Connected, 3-Port 2 Manual Shut-off 2 Multi Unit, Cradle 2 Slide-On 2 Small, Infrared 2 Standalone, Transportable 2 1-Inlet, Domestic 1 1-Inlet, Multi-Unit 1 1-Valve, Charging 1 1-Valve, Portable, No-Charging 1 12-Unit 1 4-Valve, Charging 1 6-Port, Cloud Connected 1 Adjustable, Lightweight, Portable 1 Aspirator, Manual 1 Cloud-Connected 1 Compact, Lightweight, Water Resistant 1 Compact, Single Unit 1 Disposable, Personal 1 Ethernet 1 Fixed Flow 1 Free Standing 1 General Purpose 1 Handwheel Adjustment 1 High Capacity 1 Internal 1 LEL Explosive 1 Lightweight, Compact 1 Long Skirt and Nose Cup 1 Motorized 1 Motorized, Slide-On 1 Multi Unit 1 Non-Reactive, Recyclable 1 PID 1 Photoelectric 1 Quad 1 Quick-Disconnect 1 Rechargeable 1 Rectangular 1 Rectangular, Free Standing 1 Rugged Design 1 Screw On 1 Single 1 Single-Unit, Truck-Mount, Hardwired 1 Small 1 Standard Standalone 1 Standard Standalone, Charging 1 Straight, Air Line 1 Universal 1 Water Stop 1 XXS 1

iBrid™ MX6 12 GasBadge® Pro 10 MicroDock II 7 DSX™ 6 GasAlertQuattro 4 SafeCore™ 4 ALTAIR® 4X 3 ALTAIR® Pro 2 AlarmAmp™ 2 DualSense®, Tango® 2 GALAXY®, Solaris 2 GasAlertMax XT II 2 GasAlertMicro 5 2 IntelliDoX 2 Radius™ BZ1 2 Tango® 2 V-Cal™ 2 Ventis® Pro 5 2 ALTAIR® 2X 1 ALTAIR® 5X 1 ALTAIR®/Xcell® 1 Alarm Muffler 1 Analytics™ 1 DSX™, SafeCore™ 1 Fisher™ 1 Gas Miser® 1 GasAlertMicroClip XL 1 GasAlertMicroClip XT 1 GasBadge® 1 JetEye 1 Pac® 6000 1 Polytron® 7000 1 Prosolv® 1 Rattler™ 1 ToxiPro® 1 Ventis® 1 X-am® 2500 1 XCell® 1 Xcell® 1

1% (LEL), 0.1 ppm (H2S), 0.1 ppm (SO2), 0.1% (O2) 2 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), 0.1 ppm N(O2) 2 0.001% 1 0.02 ppm 1 0.1% (O2), 1 ppm (CO) 1 0.1% Volume Increments Oxygen, 1% LEL Increments Combustible, 1 ppm Increments Hydrogen Sulphide, 1 ppm Increments Carbon Monoxide 1 0.5 ppm 1 1% (CH4), 1% (LEL), 0.1% (O2), 1 ppm (CO), 0.1 ppm (SO2) 1 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), 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), 1 ppm (H2S), 1 ppm (SO2) 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 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 O2 (0.1% vol. Increments), LEL (1% LEL Increments), H2S (1 ppm Increments), CO (1 ppm Increments) 1

Zero Air 1 SO2 7 Carbon Monoxide 3 Chlorine 3 HCN 3 Methane 3 Propane 3 Ammonia 2 CH4, CO, O2, H2S, HCN 2 Carbon Monoxide, Methane, Oxygen, Hydrogen Sulfide, Sulfur Dioxide, Nitrogen 2 NH3 2 Nitrogen 2 10 ppm Sulfur Dioxide 1 100 ppm Carbon Monoxide 1 100 ppm Hydrogen 1 25 ppm Ammonia 1 5 ppm Sulfur Dioxide 1 5% CO2 1 50 ppm Carbon Monoxide 1 500 ppm Hydrogen 1 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide 1 Ammonia, N2 1 Balance Nitrogen 1 Butane 1 CH4, CO, H2S, HCN, O2 1 CH4, O2, CO, H2S, SO2 1 CO, H2S, CO2, CH4 1 CO, NO2, O2, Methane 1 CO2, N2 1 Carbon Monoxide, Hydrogen Sulfide, Oxygen, Pentane and Balance Nitrogen 1 Carbon Monoxide, Methane, Oxygen, Hydrogen Sulfide, Balance Nitrogen 1 Carbon Monoxide, Oxygen, Pentane and Balance Nitrogen 1 Cl2 1 Combustible, O2, Toxic 1 H2 1 H2S, CO, CH4, O2 1 Hydrogen Sulfide, Sulphur Dioxide and Nitrogen 1 Hydrogen and Balance Air 1 Isobutylene, N2 1 LEL CH4 1 LEL, O2, H2S, CO 1 LEL, O2, H2S, CO, PID 1 LP 1 Nitrogen Dioxide 1 O2, CO, H2S, C5H12 1 O2, H2S, C5H12 1 O2, H2S, Pentane 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 SO2, N2 1 Sulfur Dioxide (SO2) 1

10 ppm Chlorine 2 5 ppm Nitrogen Dioxide 2 60 ppm Carbon Monoxide, 1.45% LEL, 15% Oxygen, 20 ppm Hydrogen Sulfide, 10 ppm Sulfur Dioxide 2 75.51 - 80.49% Nitrogen, 19.5 - 23.5% Oxygen, 0.00001 - 0.99% Sulfur Dioxide 2 <= 21.5% Oxygen, <= 2% Hydrogen, Balance Nitrogen 2 0.0005 - 50% Carbon Dioxide, 5.6 - 8% Butane, Balance Nitrogen 1 0.001 - 19.49% Oxygen, 0.1 - 0.75% Pentane, 100 ppm 0.005 - 0.09% Carbon Monoxide, 25 ppm 0.001 - 0.025% Hydrogen Sulfide, 5 ppm 0.0001 - 0.05% Sulfur Dioxide in Balance Nitrogen 1 0.03% 300 ppm Carbon Monoxide, 1.45% 1000 ppm Methane, 15% Oxygen, 0.001% 10 ppm Hydrogen Sulfide, Balance Nitrogen 1 0.6% Propane 1 0.75% Pentane, Balance Air 1 1 ppm 0.00001 - 0.0499% Phosphine, 99.9501 - 99.99999% Nitrogen 1 1.45% CH4, 15% O2, 60% CO, 20% H2S, 10% SO2 1 10 ppm C4H10, N2 1 10 ppm Hydrogen Cyanide 1 10 ppm Sulfur Dioxide 1 100 ppm CO, 18% O2 and 25% LEL Pentane 1 100 ppm CO, 2.5% Methane (50% LEL) and 18% O2 1 100 ppm Carbon monoxide, 5 ppm Nitrogen Dioxide, 18% Oxygen, 2.5% Methane 1 100 ppm Cl2 1 1000 ppm CO2, N2 1 125 ppm 0.0001 - 0.05% Hydrogen Sulfide, 99.95 - 99.9999% Nitrogen 1 15% Oxygen, 60 ppm Carbon Monoxide, 20 ppm Hydrogen Sulfide, 2.5% Carbon Dioxide, 1.45% Methane 1 2.5% CH4, 20.9% O2, 25 ppm H2S, 100 ppm CO, N2 Balance 1 2.5% Methane 1 20 ppm Carbon Monoxide 1 20 ppm H2S and 10 ppm SO2 1 20.9% Oxygen, Nitrogen Balance 1 200 ppm CO, 25 ppm H2S, 25% LEL Pentane and 18% O2 1 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, Nitrogen, 3500 PPM Pentane (25% LEL), 18% Oxygen 1 25 ppm NH3 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 50 ppm 0.001 - 0.0999% Carbon Monoxide, 76.4001 - 80.499% Nitrogen, 19.5 - 23.5% Oxygen 1 50 ppm Ammonia 1 50 ppm Carbon Monoxide 1 50% LEL Hydrogen 1 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 75.75 - 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 99.999% Methane 1 <= 21.5% Oxygen, <= 2.5% Methane, Balance Nitrogen 1 > 99.99% Nitrogen 1 Bump Gas CH4 50% LEL Air 1 Carbon Dioxide, Hydrogen Sulfide, Nitrogen 1 Propane, C3H8 50%LEL 6D Air 1

Benzene 1 Carbon Monoxide, Hydrogen Sulphide (H2S), Oxygen (O2) 1 Chlorine 1 Hydrochloric Acid 1 Hydrogen 1 Mercaptan 1 Phosphine 1 Urethane 1

6-1/4 in dia x 15-1/4 in H 3 2-3/4 in dia x 10-3/4 in H 2 3-1/2 in dia x 13-1/2 in H 2 3-1/2 in dia x 14-1/2 in H 2 3-1/4 in dia x 14 in H 2 34 l, 58 l, 103 l 2 2-3/4 in dia x 10-3/4 in L 1 2-7/8 in dia x 11-1/2 in H 1 2-7/8 in dia x 11-1/2 in L 1 2-9/10 in dia x 11 in H 1 3 in dia x 13-1/4 in H 1 3 x 10-3/4 in 1 3 x 13-3/4 in 1 3-1/2 in dia x 15 in H 1 34, 58, 103 l 1 4-1/2 in dia x 12 in H 1

-30 to 55 °C 1 -4 to 104 °F 1 -4 to 131 °F 1 -40 to 60 deg C 1 0 - 110 °F 1 0 - 50 °C 1 32 - 104 °F 1

Replaceable Lithium Manganese Dioxide Battery 1

0 - 100% (CH4), 0 - 25% (O2), 0 - 1000 ppm (CO), 0 - 100 ppm (H2S) 1 0 - 100% (LEL), 0 - 30% (O2), 0 - 1000 ppm (CO), 0 - 200 ppm (H2S) 1 0 - 100% (LEL), 0 - 30% (O2), 0 - 10000 ppm (CO), 0 - 200 ppm (H2S) 1 0 - 100% (LEL), 0 - 30% (O2), 0 - 1500 ppm (CO), 0 - 1 ppm (CO)2 1 0 - 100% (LEL), 0 - 30% (O2), 0 - 2000 ppm (CO), 0 - 500 ppm (H2S), 0 - 150 ppm (NO2) 1 0 - 100% (LEL), 0 - 30% (O2), 0 - 2000 ppm (CO), 0 - 500 ppm (H2S), 0 - 150 ppm (SO2) 1 0 - 100% (LEL), 0 - 30% (O2), 0 - 500 ppm (CO), 0 - 100 ppm (H2S) 1 0 - 100% (LEL), 0 - 30% (O2), 0 - 999 ppm (CO), 0 - 500 ppm (H2S), 0 - 150 ppm (SO2) 1 0 - 30% (O2), 0 - 100% (LEL), 0 - 5% v/v, 0 - 100 ppm (H2S), 0 - 500 ppm (CO) 1 0 - 30% (O2), 0 - 100% and 0 - 5% (LEL), 0 - 100 ppm (H2S), 0 - 500 ppm (CO) 1 0 - 30% (O2), 0 - 500 ppm (CO) 1 0 - 500 ppm (H2S), 0 - 999 ppm (CO), 0 - 30% (O2) v/v, LEL to 100% LEL/0 to 5.0% v/v, VOC 0 - 1000 ppm 1 1 - 100% (LEL), 0 - 30% (O2), 0 - 1999 ppm and 0 - 200 ppm (H2S) 1 1 - 100% (LEL), 0 - 30% (O2), 0 - 20 ppm (SO2), 0 - 1999 ppm and 0 - 200 ppm (H2S) 1

0 - 1000 ppm 1 0 - 1500 ppm 1 0 - 30 ppm 1 0 - 99.9 ppm 1 0.20 ppm 1