Description
Reliable Phosphine Detection in Your Pocket – Built for Safety-Critical Environments
The RKI SC-04 Phosphine (PH₃) Gas Monitor is a compact, rugged, and highly accurate single-gas detector designed for professionals working in hazardous environments. Whether you’re in chemical processing, agriculture, or emergency response, this device ensures continuous personal safety with real-time phosphine monitoring from 0 to 20 ppm.
Key Features
- Target Gas: Phosphine (PH₃), 0–20.00 ppm detection range
- Compact & Lightweight: Pocket-sized at 2.1” (W) x 2.6” (H) x 0.9” (D), weighing only 2.8 oz
- Long Battery Life: Up to 9,000 hours of continuous operation on two AAA alkaline batteries
- Triple Alarm System: Visual, audible, and vibration alarms for immediate hazard awareness
- Field Serviceable: Replaceable sensors and filters, compatible with GX-3R, GX-3R Pro, and GasWatch 3
- 360° Alligator Clip: Secure attachment with full rotation for convenience
- Ingress Protection: IP67-rated – dustproof, waterproof, and impact-resistant
- Automatic Backlight: Illuminates during alarms for visibility in low-light conditions
- Data Logging: Adjustable intervals from 10 seconds to 10 minutes, storing up to 600 hours of data
Why It Matters
This monitor empowers workers with peace of mind in environments where phosphine exposure is a risk. Its compact design doesn’t compromise on performance—delivering fast, accurate readings and instant alerts. With its long battery life and rugged build, it’s a dependable companion for long shifts in tough conditions.
Specifications & Technical Details
- Model: SC-04 (PH₃)
- Detection Range: 0–20.00 ppm
- Sensor Life: Over 3 years
- Battery: 2 × AAA alkaline (up to 9,000 hours)
- Display: Backlit LCD
- Ingress Protection: IP67 (dust, water, and impact resistant)
- Certifications:
- Intrinsically safe (ATEX/IECEx)
- QPS certified for Class I, Division 1, Groups A, B, C, D
- Dimensions: 2.1” × 2.6” × 0.9”
- Weight: 2.8 oz (approx. 80 g)
- Compatible Accessories: Ni-MH charger, calibration kits
How to Use
- Clip the monitor securely to your clothing using the 360° alligator clip.
- Power on the device and allow it to self-check.
- Monitor the display for real-time gas readings.
- Respond immediately to any alarms (visual, audible, or vibration).
- Replace batteries and sensors as needed using field-replaceable components.
Size Chart – Not Applicable
This product is a one-size-fits-all device and does not require sizing.
Customer Reviews
Killian M.
“We use this in our fertilizer plant. It’s reliable, easy to carry, and the alarms are loud enough to hear over machinery.”
Zoe D.
“I appreciate how lightweight it is. The battery life is impressive, and the clip keeps it secure all day.”
Schalk V.
“Great value for safety. We’ve standardized these across our chemical storage facilities. Easy to maintain too.”
Frequently Asked Questions
Q: Is training required to use the SC-04?
A: Basic training is recommended, but the device is user-friendly with intuitive operation.
Q: Can I replace the sensor myself?
A: Yes, the sensor is field-replaceable and compatible with other RKI models.
Q: Is this device waterproof?
A: Yes, it has an IP67 rating, making it dustproof and waterproof.
Q: How often should I calibrate the monitor?
A: Calibration frequency depends on usage, but monthly checks are standard in most industries.
Q: Can it be used in explosive environments?
A: Yes, it is certified intrinsically safe for use in hazardous locations.
Q: Does it store data?
A: Yes, it can log data for up to 600 hours with adjustable intervals.
Protect Your Team with Trusted Gas Detection
Don’t take chances with toxic gas exposure. Equip your team with the SC-04 Phosphine Monitor and ensure every shift is a safe one. Order now and experience the confidence of reliable detection.
Industries & Workplace Applications
- Chemical Plants
- Agriculture & Fertilizer Storage
- Mining
- Water & Wastewater Treatment
- Fire Services
- Refineries & Petrochemical
- Utilities
- Steel Mills
- Pharmaceuticals
- Hazardous Materials Response













