RKI SD-1GP H2 LEL Detector with 4-20mA Transmitter
Description
The RKI SD-1GP is a robust, explosion-proof hydrogen (H2) LEL detector with a built-in 4-20 mA transmitter and integrated relay contacts for interfacing with plant control systems or RKI Beacon controllers. Its self-diagnosis microprocessor and magnetic-key calibration reduce maintenance downtime in hazardous environments.
Compatible with AirLink 7010, AirLink 7032,
Beacon 110,
Beacon 410, or
Beacon 800 controllers.
Applications: LNG terminals, Petrochemical/chemical plants, Power plants, Utilities, Iron and steel works
Key Features:
- Model: SD-1GP
- Target gas: Hydrogen (H2), 0–100% LEL
- Explosion-proof construction
- Catalytic bead sensing element
- 4-20 mA transmitter output
- Direct digital display of live gas readings
- Easy field calibration using a magnetic key
- Self-diagnosis by onboard microprocessor
- Low power operation (maximum 3 W)
PK Safety services RKI Instruments fixed-gas detectors in-house with factory-trained technicians — call
800.829.9580 with questions about this product or service scheduling.
Specification Sheet:
Manual:
Part Numbers:
SD-1GP-H2
Related Searches
Fixed Gas Detectors,
Gas Detection
Frequently Asked Questions
What gas does the RKI SD-1GP detect?
The SD-1GP detects hydrogen (H2) across a 0–100% LEL measurement range using a catalytic bead (pellistor) sensing element. It is purpose-built for applications where hydrogen storage, generation, or handling creates explosion risk.
What does explosion-proof mean for the SD-1GP?
The SD-1GP's explosion-proof enclosure is certified to contain any ignition that might occur inside the detector housing, preventing the ignition of surrounding flammable atmospheres. This makes it appropriate for installation in NEC Class I hazardous locations — always verify the specific area classification against the product certificate before installation.
How does the SD-1GP interface with plant control systems?
The SD-1GP provides a 4-20 mA analog output and relay contacts that integrate directly with PLCs, DCS, and building automation systems. It is also compatible with RKI Beacon series multi-channel controllers, including the
Beacon 110 and
Beacon 800.
What is the OSHA LEL threshold for hydrogen, and how does fixed detection support compliance?
Under 29 CFR 1910.1000 and NFPA 2, hydrogen's lower explosive limit (LEL) is 4% by volume. OSHA and NFPA guidance calls for alarm set-points typically at 10% and 25% LEL. Fixed detectors like the SD-1GP provide continuous monitoring to support compliance with these requirements — consult a certified industrial hygienist for your specific alarm strategy.
How is the SD-1GP calibrated in the field?
The SD-1GP uses a magnetic key for field calibration, eliminating the need to open the explosion-proof enclosure and maintaining the hazardous-area rating during calibration. PK Safety's in-house service team services RKI fixed detectors; contact us at
800.829.9580.
What industries commonly use the SD-1GP?
The SD-1GP is widely deployed at LNG terminals, petrochemical and chemical plants, power generation facilities, electric utilities, and iron and steel works — anywhere hydrogen is stored, generated, or used in processes with explosion risk.
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Description
The RKI SD-1GP is a robust, explosion-proof hydrogen (H2) LEL detector with a built-in 4-20 mA transmitter and integrated relay contacts for interfacing with plant control systems or RKI Beacon controllers. Its self-diagnosis microprocessor and magnetic-key calibration reduce maintenance downtime in hazardous environments.
Compatible with AirLink 7010, AirLink 7032, Beacon 110, Beacon 410, or Beacon 800 controllers.
Applications: LNG terminals, Petrochemical/chemical plants, Power plants, Utilities, Iron and steel works
Key Features:
- Model: SD-1GP
- Target gas: Hydrogen (H2), 0–100% LEL
- Explosion-proof construction
- Catalytic bead sensing element
- 4-20 mA transmitter output
- Direct digital display of live gas readings
- Easy field calibration using a magnetic key
- Self-diagnosis by onboard microprocessor
- Low power operation (maximum 3 W)
PK Safety services RKI Instruments fixed-gas detectors in-house with factory-trained technicians — call 800.829.9580 with questions about this product or service scheduling.
Specification Sheet:
Manual:
Part Numbers:
SD-1GP-H2
Related Searches
Fixed Gas Detectors,
Gas Detection
Frequently Asked Questions
What gas does the RKI SD-1GP detect?
The SD-1GP detects hydrogen (H2) across a 0–100% LEL measurement range using a catalytic bead (pellistor) sensing element. It is purpose-built for applications where hydrogen storage, generation, or handling creates explosion risk.
What does explosion-proof mean for the SD-1GP?
The SD-1GP's explosion-proof enclosure is certified to contain any ignition that might occur inside the detector housing, preventing the ignition of surrounding flammable atmospheres. This makes it appropriate for installation in NEC Class I hazardous locations — always verify the specific area classification against the product certificate before installation.
How does the SD-1GP interface with plant control systems?
The SD-1GP provides a 4-20 mA analog output and relay contacts that integrate directly with PLCs, DCS, and building automation systems. It is also compatible with RKI Beacon series multi-channel controllers, including the Beacon 110 and Beacon 800.
What is the OSHA LEL threshold for hydrogen, and how does fixed detection support compliance?
Under 29 CFR 1910.1000 and NFPA 2, hydrogen's lower explosive limit (LEL) is 4% by volume. OSHA and NFPA guidance calls for alarm set-points typically at 10% and 25% LEL. Fixed detectors like the SD-1GP provide continuous monitoring to support compliance with these requirements — consult a certified industrial hygienist for your specific alarm strategy.
How is the SD-1GP calibrated in the field?
The SD-1GP uses a magnetic key for field calibration, eliminating the need to open the explosion-proof enclosure and maintaining the hazardous-area rating during calibration. PK Safety's in-house service team services RKI fixed detectors; contact us at 800.829.9580.
What industries commonly use the SD-1GP?
The SD-1GP is widely deployed at LNG terminals, petrochemical and chemical plants, power generation facilities, electric utilities, and iron and steel works — anywhere hydrogen is stored, generated, or used in processes with explosion risk.
The RKI SD-1GP is a robust, explosion-proof hydrogen (H2) LEL detector with a built-in 4-20 mA transmitter and integrated relay contacts for interfacing with plant control systems or RKI Beacon controllers. Its self-diagnosis microprocessor and magnetic-key calibration reduce maintenance downtime in hazardous environments.
Compatible with AirLink 7010, AirLink 7032, Beacon 110, Beacon 410, or Beacon 800 controllers.
Applications: LNG terminals, Petrochemical/chemical plants, Power plants, Utilities, Iron and steel works
Key Features:
- Model: SD-1GP
- Target gas: Hydrogen (H2), 0–100% LEL
- Explosion-proof construction
- Catalytic bead sensing element
- 4-20 mA transmitter output
- Direct digital display of live gas readings
- Easy field calibration using a magnetic key
- Self-diagnosis by onboard microprocessor
- Low power operation (maximum 3 W)
PK Safety services RKI Instruments fixed-gas detectors in-house with factory-trained technicians — call 800.829.9580 with questions about this product or service scheduling.
Specification Sheet:
Manual:
Part Numbers:
SD-1GP-H2
Related Searches
Fixed Gas Detectors,
Gas Detection
Frequently Asked Questions
What gas does the RKI SD-1GP detect?
The SD-1GP detects hydrogen (H2) across a 0–100% LEL measurement range using a catalytic bead (pellistor) sensing element. It is purpose-built for applications where hydrogen storage, generation, or handling creates explosion risk.
What does explosion-proof mean for the SD-1GP?
The SD-1GP's explosion-proof enclosure is certified to contain any ignition that might occur inside the detector housing, preventing the ignition of surrounding flammable atmospheres. This makes it appropriate for installation in NEC Class I hazardous locations — always verify the specific area classification against the product certificate before installation.
How does the SD-1GP interface with plant control systems?
The SD-1GP provides a 4-20 mA analog output and relay contacts that integrate directly with PLCs, DCS, and building automation systems. It is also compatible with RKI Beacon series multi-channel controllers, including the Beacon 110 and Beacon 800.
What is the OSHA LEL threshold for hydrogen, and how does fixed detection support compliance?
Under 29 CFR 1910.1000 and NFPA 2, hydrogen's lower explosive limit (LEL) is 4% by volume. OSHA and NFPA guidance calls for alarm set-points typically at 10% and 25% LEL. Fixed detectors like the SD-1GP provide continuous monitoring to support compliance with these requirements — consult a certified industrial hygienist for your specific alarm strategy.
How is the SD-1GP calibrated in the field?
The SD-1GP uses a magnetic key for field calibration, eliminating the need to open the explosion-proof enclosure and maintaining the hazardous-area rating during calibration. PK Safety's in-house service team services RKI fixed detectors; contact us at 800.829.9580.
What industries commonly use the SD-1GP?
The SD-1GP is widely deployed at LNG terminals, petrochemical and chemical plants, power generation facilities, electric utilities, and iron and steel works — anywhere hydrogen is stored, generated, or used in processes with explosion risk.
Specifications
Specifications
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Product Weight (lbs.)
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