Description
The RKI SC-04 Chlorine (Cl₂) Single Gas Monitor is a compact, rugged personal gas detector designed for continuous monitoring of chlorine in industrial and hazardous environments. The SC-04 provides workers with dedicated personal protection where chlorine exposure may be a concern.
This SC-04 configuration monitors chlorine (Cl₂) from 0–20 ppm. A clear, easy-to-read display provides real-time gas readings, while audible, visual, and vibration alarms alert the user when chlorine concentrations reach configured alarm levels.
Built for demanding work environments, the SC-04 features an IP67 impact-, dust-, and water-resistant enclosure, automatic alarm backlighting, datalogging capability, and a rotating alligator clip for convenient personal wear.
The instrument is powered by two AAA alkaline batteries and includes alkaline batteries and an alligator clip.
RKI Part Number: 73-0075
- Dedicated personal chlorine (Cl₂) monitor
- 0–20 ppm Cl₂ detection range
- Diffusion sampling
- Field-replaceable chlorine sensor
- Audible, visual, and vibration alarms
- User-adjustable alarm settings
- Automatic LCD backlight during alarm conditions
- Peak-hold function
- Built-in datalogging capability
- IP67 impact-, dust-, and water-resistant enclosure
- Replaceable protective rubber boot
- 360° rotating alligator clip
- Powered by two AAA alkaline batteries
- Compact personal-monitoring design
- Intrinsically safe hazardous-location approvals
Typical Applications
- Water and wastewater treatment
- Municipal water facilities
- Chemical processing facilities
- Industrial chlorine monitoring
- Industrial maintenance
- Hazardous materials response
- Fire and emergency services
- Personal toxic-gas monitoring
| Model | RKI SC-04 |
| RKI Part Number | 73-0075 |
| Gas Detected | Chlorine (Cl₂) |
| Detection Range | 0–20 ppm |
| Sampling Method | Diffusion |
| Sensor | Field-replaceable chlorine (Cl₂) sensor |
| Response Time | T90 within 30 seconds |
| Power | 2 AAA alkaline batteries |
| Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
| Humidity | 0–90% RH, non-condensing |
| Dimensions | Approx. 2.1 in W × 2.64 in H × 0.94 in D |
| Ingress Protection | IP67 |
| Alarms | Audible, visual, vibration and LCD indication |
| Datalogging | Built-in datalogging capability |
| Safety Approvals | ATEX / IECEx; QPS C/US intrinsically safe, Class I, Division 1, Groups A, B, C & D |
| Warranty | 1 year for chlorine sensor |
| Included | SC-04 chlorine monitor, alkaline batteries and alligator clip |
Specifications are subject to manufacturer updates. Refer to the RKI SC-04 Operator's Manual for complete operating, calibration, safety and maintenance requirements.
Product Literature
Operator's Manual
Need help with the RKI SC-04, calibration gas, or selecting the correct gas detector? Call CPS Calibrations at 865-900-8844 or email info@cpscalibrations.com.
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