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RKI Instruments 72-2104RK-HR is a 4-channel fixed wall-mount gas monitor controller configured to manage multi-point facility life-safety sensor streams.
- Four independent channels centralize gas sensor tracking.
- Integrated 117 VAC strobe horns warn crews immediately.
- Weatherproof NEMA 4X housings resist chemical exposures.
- Backlit graphic LCD clarifies real-time status diagnostics.
- Twelve-volt DC inputs accept industrial loop power.
RKI Instruments 72-5613RK-OS is an advanced 6-gas portable monitor engineered to actively track highly toxic ClO2, SO2, LEL, O2, H2S, and CO hazards simultaneously.
- Specialty electrochemical cells trace chlorine dioxide toxins.
- Heavy-duty 125ft pump samples deep tanks.
- Division 1 certification delivers supreme explosion safety.
- Extended 30-hour runtime protects long field shifts.
- Factory NIST documentation offers immediate audit compliance.
RKI Instruments 72-5616RK-02 is a comprehensive 6-gas atmospheric monitor designed to concurrently track standard safety parameters alongside low-level 10,000 PPM carbon dioxide limits.
- Optical NDIR bench measures low-level CO2.
- Internal automated sampling pump clears long lines.
- Division 1 certification delivers supreme explosion safety.
- Eighteen-hour continuous power secures full field operations.
- Included NIST validation ensures critical regulatory data.
RKI Instruments 72-5616RK-03 provides heavy-duty personnel protection across toxic chemical processing areas by measuring primary safety elements and high-concentration 5% Volume carbon dioxide.
- Infrared NDIR optics prevent sensor saturation.
- Heavy-duty 125ft pump samples deep tanks.
- Intrinsically safe design isolates volatile electric currents.
- Backlit LCD simplifies dark environment inspections.
- Factory NIST documentation offers immediate audit compliance.
RKI Instruments 72-5617RK offers robust 6-gas environmental screening across volatile industrial plants by simultaneously monitoring SO2, toxic NH3, LEL, O2, H2S, and CO threats.
- Electrochemical sensors monitor toxic ammonia accurately.
- High-vacuum draw clears deep storage tanks.
- Class I Division 1 ratings prevent sparks.
- Extended 30-hour runtime protects long field shifts.
- NIST-traceable calibration guarantees strict safety compliance.
RKI Instruments 72-5620RK-03 is a specialized 6-gas portable monitor engineered to actively track corrosive HCl and high-concentration 5% Volume carbon dioxide fields simultaneously.
- Infrared sensors optimize high-precision carbon dioxide readings.
- Dedicated sensors profile corrosive hydrogen chloride safely.
- Standard data logging simplifies regulatory safety reporting.
- Reliable 18-hour continuous runtime powers field tasks.
- Included NIST validation ensures valid data logging.
RKI Instruments 72-5621RK is a comprehensive 6-gas atmospheric monitor designed to concurrently track standard personnel safety parameters, chlorine, and sulfur dioxide hazards.
- Electrochemical cells trace toxic chlorine accurately.
- Internal automated sampling pump clears long lines.
- Division 1 certification delivers supreme explosion safety.
- Extended 30-hour runtime protects long field shifts.
- Included NIST validation ensures critical regulatory data.
RKI Instruments 72-5622RK provides robust 6-gas environmental screening across volatile industrial plants by simultaneously monitoring hazardous HF, NO2, LEL, O2, H2S, and CO threats.
- Specific electrochemical sensors track corrosive gases.
- Heavy-duty 125ft pump samples deep tanks.
- Intrinsically safe design isolates volatile electric currents.
- Ruggedized IP64 housing resists severe weather damage.
- Factory NIST documentation offers immediate audit compliance.
RKI Instruments 725-101-P1 is a premium 5-gas monitor configured to track standard safety hazards alongside trace-level 50 PPM volatile organic chemical vapors.
- High-sensitivity PID sensors track volatile organic toxins.
- Heavy-duty 125ft pump samples deep tanks.
- Division 1 certification delivers supreme explosion safety.
- Extended 18-hour battery lifespan drives continuous field shifts.
- Weatherproof IP67 casing withstands harsh environments.
RKI Instruments 725-102-P2 delivers specialized multi-gas safety monitoring by concurrently tracking explosive LEL, O2, CO, toxic HCN, and 2000 PPM volatile organic elements.
- Specific electrochemical cells trace toxic hydrogen cyanide.
- Wide-range PID sensor tracks hazardous organic compounds.
- Internal automated sampling pump clears long lines.
- Integrated logging memory saves extensive dataset histories.
- Backlit graphic LCD clarifies dark environment inspections.
RKI Instruments 725-112-P2 is a premium 5-gas monitor engineered to concurrently track standard industrial safety parameters, highly toxic phosphine, and wide-range volatile organic vapors.
- Specialty electrochemical cells trace hazardous phosphine gases.
- Photoionization detectors isolate toxic industrial breakthrough targets.
- Internal automated sampling pump clears long 125ft lines.
- Extended 18-hour battery drives continuous field shifts.
- Weatherproof IP67 casing withstands harsh environments.
RKI Instruments 725-123-P2 delivers specialized multi-gas safety monitoring by tracking explosive LEL, O2, H2S, toxic ammonia, and high-range 2000 PPM volatile organic elements.
- Electrochemical sensors monitor toxic ammonia accurately.
- Wide-range PID sensor tracks hazardous organic compounds.
- Heavy-duty 125ft pump samples deep tanks.
- Division 1 certification delivers supreme explosion safety.
- Built-in data logging automates regulatory safety reporting.
RKI Instruments 725-130-P2 is a robust 5-gas hazardous area gas detector configured to monitor sulfur dioxide threats alongside volatile organic compounds and combustible gases.
- Advanced multi-sensor arrays target complex mixed gases.
- High-vacuum draw clears deep storage tanks.
- Intrinsically safe design eliminates explosive spark risks.
- Backlit graphic LCD simplifies dark environment inspections.
- 18-hour continuous runtime powers complete field shifts.
RKI Instruments 726-115-02 offers heavy-duty personnel protection across process piping environments by measuring auto-ranging methane, toxic lines, and low-level 10,000 PPM carbon dioxide.
- Optical NDIR bench measures low-level CO2.
- AutoRange methane scales protect internal elements safely.
- Integrated logging memory saves extensive dataset histories.
- Class I Division 1 ratings prevent sparks.
- Reliable 14-hour continuous runtime powers field tasks.
RKI Instruments 726-115-05 is a high-capacity 6-gas atmospheric analyzer engineered to accurately monitor critical CH4, O2, H2S, CO, and extreme 60% Volume CO2 fields.
- Advanced NDIR optics prevent sensor saturation.
- AutoRange methane scales protect internal elements.
- Internal automated sampling pump clears long lines.
- Weatherproof IP67 casing withstands harsh environments.
- Integrated logging memory saves extensive dataset histories.
RKI Instruments 724-113-25 is a robust multi-sensor 4-gas safety monitor configured to track high-volume hydrogen lines alongside auto-ranging methane and carbon dioxide levels.
- Infrared reference sensors optimize high-precision readings.
- Dual-sensor fusion tracking manages complex mixed gases.
- Heavy-duty 125ft pump samples deep tanks.
- Division 1 certification delivers supreme explosion safety.
- Backlit graphic LCD simplifies dark environment inspections.
RKI Instruments 725-127-10-P2 is a robust multi-sensor 4-gas safety monitor configured to track high-volume 10% Volume hydrogen lines alongside primary atmospheric hazards.
- Thermal conductivity cells read specific hydrogen leaks.
- Internal automated sampling pump clears long lines.
- Division 1 certification delivers supreme explosion safety.
- Extended 18-hour battery drives continuous field shifts.
- Weatherproof IP67 casing withstands harsh environments.
RKI Instruments 723-105-02-P2 is a robust multi-sensor 3-gas safety monitor configured to track combustible LEL alongside low-level carbon dioxide and volatile organic elements.
- Advanced NDIR optics prevent sensor saturation failures.
- Photoionization detectors isolate toxic industrial breakthrough targets.
- Heavy-duty 125ft pump samples deep tanks.
- Weatherproof IP67 casing withstands harsh environments.
- Integrated logging memory saves extensive dataset histories.
RKI Instruments 723-111-P2 is a multi-gas monitor configured to track auto-ranging methane, oxygen, and volatile organic compounds across hazardous industrial environments.
- AutoRange methane scales protect internal elements.
- Photoionization detectors isolate toxic industrial breakthrough targets.
- Heavy-duty 125ft pump samples deep tanks.
- Weatherproof IP67 casing withstands harsh environments.
- Integrated logging memory saves extensive dataset histories.
RKI Instruments 723-118-02-P2 delivers specialized multi-gas safety monitoring by tracking carbon monoxide, low-level carbon dioxide, and volatile organic vapors.
- Optical NDIR bench measures 10,000 PPM CO2.
- Advanced multi-sensor arrays target complex mixed gases.
- Division 1 certification delivers supreme explosion safety.
- Continuous 14-hour runtime powers complete field shifts.
- Built-in data logging automates regulatory safety reporting.



















