The GasWatch 3 is the world’s smallest and lightest single gas and dual gas monitor designed to detect CO, H2S, O2, CO/O2 & H2 Compensated CO. Its compact form provides great comfort and flexibility in how you choose to wear it. It can be worn on your wrist as a watch, or clipped into your breathing zone on your lapel, hard hat or other safety equipment with the 360º rotation alligator clip.
Applications
• Refineries
• Petrochemical facilities
• Sewage treatment plants
• Fire departments
• Chemical plants
• Tunnels
• Mines
• Hazardous waste sites
Features
• Light and compact "watch type" design
• Easily worn clipped in your "breathing zone"
• Available with watch band or alligator clip
• Automatic backlight during alarm
• Sturdy IP-66/68 rated design
• Water, dust and radio frequency (RF) resistant
• Non-compliance indicator
Kit Includes
• GasWatch 3 monitor
• Watch band or alligator clip
• Spring pins (used to mount accessories on to the rear face)
• CR2450 coin-type lithium-ion battery
*GasWatch 3 with alligator clip models also available
• Low Cost of Ownership
• RKI instruments are designed to deliver reliable performance while minimizing long-term costs.
Their low cost of ownership comes from a combination of durability, efficiency, and ease of maintenance.
• Long sensor lifespan
• Sensors 3 year warranty
• Perform Better than the Competition
• Minimal maintenance requirements
• User friendly replaceable parts
• Energy efficiency
• Durable construction
• Reduced calibration costs
| Model Name | GW-3 (HS) | GW-3 (CO) | GW-3 (C-) | GW-3 (CX) | GX-3 (O2) | |
| Gas Detected | Hydrogen Sulfide | Carbon Monoxide | H2 Compensated CO | Carbon Monoxide | Oxygen | Oxygen |
| Detection Principal | Electrochemical | Dual Electrochemical | Galvanic Cell | |||
| Detection Range (Increments) | 0 ~ 30 ppm (0.1 ppm) 30 ~ 100 ppm (1 ppm) | 0 ~ 300 ppm | 0 ~ 25.0% Vol. | |||
| Gas Sampling | Diffusion | |||||
| Power Source | CR2450 coin-type lithium ion battery | |||||
| Operating Temp. & Humidity | -20°C to +50°C (no sudden changes) | -20°C to +50°C | ||||
| Safety Rating | ATEX, IECEx, CSA | |||||
| Part Number | Description | Model | Detection Range (Increments) | Calibration Equipment |
| RK-73-0022-01 | GasWatch 3 For H2S With Wrist Band | GW-3 (HS) | 0 ~ 30 ppm 30 ~ 100 ppm | • NLB-F105325PN • NLB-517 • RK-81-1194 • RK-06-1248RK-03 • NLB-500D |
| RK-73-0023-01 | GasWatch 3 For CO With Wrist Band | GW-3 (CO) | 0 ~ 300 ppm | • NLB-H101650PN • NLB-417 • RK-81-1194 • RK-06-1248RK-03 • NLB-500D |
| RK-73-0025-01 | GasWatch 3 For CO With H2 Compensated Sensor & Wrist Band | GW-3 (C-) | 0 ~ 300 ppm | • NLB-H101650PN • NLBH1049200PA • NLB-417 • RK-81-1194 • RK-06-1248RK-03 • NLB-500D |
| RK-73-0026-01 | GasWatch 3 For CO/O2 Combination With Wrist Band | GW-3 (CX) (Dual Sensor) | CO: 0 ~ 300 ppm O2: 0 ~ 25.0% Vol. | • NLB-H101650PN • NLB-H1066 • NLB-417 • RK-81-1194 • RK-06-1248RK-03 • NLB-500D |
| RK-72-0012-01 | GasWatch 3 For O2 With Wrist Band | GX-3 (O2) | 0 ~ 25.0% Vol. | • NLB-H1066 • NLB-417 • RK-81-1194 • RK-06-1248RK-03 • NLB-500D |
| Accessories & Calibration Equipment | |
| Part Number | Description |
| NLB-F105325PN | Calibration Gas 25 PPM H2S In N2, 34 Liter Steel Cylinder With CGA 600 |
| NLB-H101650PN | Calibration Gas 50 PPM CO In N2, 34 Liter Steel Cylinder With CGA 600 |
| NLB-H1049200PA | Calibration Gas 200 PPM H2 in Air, 34 Liter Steel Cylinder With CGA 600 |
| NLB-H1066 | Calibration Gas 100% N2, 34 Liter Steel Cylinder With CGA 600 |
| NLB-417 | 0.5 LPM Regulator With Gauge & Knob For Cylinders With CGA 600 |
| NLB-517 | 0.5 LPM Regulator With Gauge & Knob For Cylinders With CGA C-10 |
| RK-81-1194 | Calibration Adapter For GasWatch 3 |
| RK-06-1248RK-03 | 3/16" O.D. x 5/16" I.D. Polyurethane Calibration Tubing, 3 ft |
| NLB-500D | Case For 17 / 29 / 34 Liter Steel Cylinders, Holds 2 Cylinders |
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