Description
Reliable Phosphine Detection for Hazardous Work Environments
The RKI SC-04 Phosphine Gas Monitor is a compact single-gas detector designed for continuous personal monitoring of phosphine (PH₃). Model 73-0079 measures phosphine concentrations from 0 to 20.00 ppm and combines audible, visual, and vibration alarms with a rugged IP67-rated design for use in demanding industrial and hazardous environments.
Key Features
- ⚠️ Detects phosphine (PH₃) from 0 to 20.00 ppm
- 📟 Continuous real-time personal gas monitoring
- 🔋 Operates on two AAA alkaline batteries
- ⏳ Up to 9,000 hours continuous operation
- 🚨 Audible, visual, and vibration alarm system
- 💡 Automatic backlit LCD display during alarms
- 📊 Data logging with selectable intervals from 10 seconds to 10 minutes
- 🛠️ Field-replaceable sensors and filters
- 🔄 Sensor compatibility with GX-3R, GX-3R Pro, and GasWatch 3 instruments
- 📎 360° rotating alligator clip for secure attachment
- 🌧️ IP67 dustproof and waterproof protection
- ✅ Intrinsically safe for hazardous locations
Benefits
- ✅ Helps protect personnel from phosphine exposure
- ✅ Lightweight pocket-sized design improves wearer comfort
- ✅ Long operating life reduces battery replacement frequency
- ✅ Multiple alarm methods improve hazard awareness in noisy environments
- ✅ Field-serviceable design reduces downtime and maintenance costs
- ✅ Rugged construction withstands harsh industrial conditions
- ✅ Logged data assists with safety monitoring and record keeping
Specifications
| Brand | RKI Instruments |
| Model | SC-04 |
| Product Code | 73-0079 |
| Product Type | Single-Gas Personal Monitor |
| Target Gas | Phosphine (PH₃) |
| Detection Range | 0 – 20.00 ppm |
| Colour | Black |
| Power Supply | 2 x AAA Alkaline Batteries |
| Operating Life | Up to 9,000 hours continuous operation |
| Dimensions | 2.1 in (W) × 2.6 in (H) × 0.9 in (D) |
| Weight | 2.8 oz (approximately 80 g) |
| Ingress Protection | IP67 |
| Alarms | Audible, Visual, Vibration |
| Display | LCD with automatic backlight during alarms |
| Data Logging | 10-second to 10-minute intervals, up to 600 hours |
| Sensor Serviceability | Field Replaceable |
| Sensor Compatibility | GX-3R, GX-3R Pro, GasWatch 3 |
| Sensor Life Expectancy | Over 3 years |
| Temperature Range | -20°C to +50°C |
| Humidity Range | 0–90% RH non-condensing |
| Individual Pack | 1 Monitor |
How to Use
- Attach the monitor to clothing using the integrated 360° alligator clip.
- Switch on the instrument and allow the start-up self-check to complete.
- Verify that the display shows normal operating status.
- Wear the monitor within the breathing zone during work activities.
- Monitor displayed PH₃ readings continuously.
- Follow site safety procedures immediately if any alarm activates.
- Replace batteries, filters, and sensors according to maintenance requirements.
⚠️ The manufacturer states that the instrument should be bump tested before each day of use with a known concentration of the target gas to verify proper response.
⭐️⭐️⭐️⭐️⭐️ “Compact and easy to wear during long shifts. The alarms are impossible to miss.” — Johan S.
⭐️⭐️⭐️⭐️⭐️ “Excellent phosphine monitor for grain storage inspections and fumigation work.” — Melissa R.
⭐️⭐️⭐️⭐️⭐️ “Reliable detector with impressive battery life and straightforward maintenance.” — Andre P.
Frequently Asked Questions
- What gas does this monitor detect? It is designed specifically for phosphine (PH₃) detection.
- What is the measurement range? The monitor measures phosphine from 0 to 20.00 ppm.
- Can the sensor be replaced? Yes, sensors and filters are field replaceable.
- Does the monitor record exposure information? Yes, it includes data logging with adjustable intervals and storage of operating data.
- Is the monitor suitable for hazardous areas? Yes, it carries intrinsic safety approvals for hazardous locations.
- What alarms are provided? Audible, visual, and vibration alarms activate when alarm conditions occur.
- Is the unit water resistant? Yes, it is rated IP67 for dust and water resistance.
- How is the monitor powered? It operates on two AAA alkaline batteries.
- Can it be used in agriculture and fumigation environments? It is suitable wherever phosphine monitoring is required and where workplace procedures permit its use.
Industries & Applications
- 🌾 Agriculture and grain storage facilities
- 🧪 Chemical processing plants
- ⛏️ Mining operations
- 🏭 Petrochemical and refinery facilities
- 💧 Water and wastewater treatment plants
- 💊 Pharmaceutical facilities
- ⚡ Utilities and industrial maintenance
- 🚒 Emergency response and hazardous materials teams
- 🏗️ Industrial manufacturing environments
- 🔬 Laboratories handling phosphine hazards
Compliance & Certifications
- ✅ IP67 ingress protection rating
- ✅ ATEX approved
- ✅ IECEx approved
- ✅ QPS classified as intrinsically safe
- ✅ Class I, Division 1, Groups A, B, C and D hazardous location approval
Choose the RKI SC-04 when dependable phosphine monitoring, rugged construction, long operating life, and proven hazardous-area performance are essential for worker protection. Its compact size, field-serviceable design, and advanced alarm capabilities make it a practical safety solution for demanding industrial applications.
