Direct Connect Sensor (LEL, H2 Specific) by RKI Instruments
Regular price
$1,042.50 USD
Sale price
Regular price
Shipping calculated at checkout.
In stock
RKI Instruments Direct Connect series fixed gas sensor (LEL, H2 specific): highly reliable, very cost-effective detection of common gas hazards.
Styles: Add J-Box, Sensor Only.
Key benefits
- Series available for LEL, H2-specific LEL, LEL IR, oxygen, H2S, CO, CO2 and a variety of toxic gases
- LEL, H2, oxygen, H2S, CO2 and CO sensors are explosion-proof with flame arrestors, approved for Class 1, Div. 1, Groups B, C, D; optional non-explosion-proof version for oxygen, H2S, CO and CO2 (Class 1, Div. 2)
- Mount directly to controllers as a stand-alone system, or to explosion-proof junction boxes for remote detection
- Toxic sensors (NH3, AsH3, Cl2, ClO2, HCN, PH3, SO2) are electrochemical plug-in types with tool-free field replacement, for Class I, Div. 2
- Indoor or outdoor use; patented water-repellent flame arrestor coating; splash guards available
- Optional stainless steel junction box for corrosive environments
- Designed to interface with RKI Beacon 110, 200 and 410A controllers
- Made in the USA
Product image
Specifications
Explosion Proof Class I, Div. 2 , Groups B, C, D | |||||||||
| LEL General Purpose |
LEL H2 Specific |
O2 Oxygen |
H2S Hydrogen Sulfide |
CO Carbon Monoxide |
CH4 Methane IR |
HC Hydrocarbons IR |
CO2 Carbon Dioxide IR |
||
| Sensor With J-Box |
61-1000RK (UL) | 61-1001RK (UL) | 65-2515RK | 65-2427RK-05 | 65-2437RK-05 | 61-1003RK-CH4 61-1006RK-CH4 |
61-1003RK-HC | 61-1004RK-02 61-1004RK-03 61-1004RK-05 61-1004RK-10 |
|
| 61-1000RK-05 (CSA) | 61-1001RK-05 (CSA) | ||||||||
| Sensors | Catalytic | Galvanic cell | Electrochemical | Infrared | |||||
| Sensor Only |
61-0140RK (UL) 61-0140RK-05 (CSA) |
LEL H2 – NC-6205-01 (UL) NC-6205-05 (CSA) |
65-2514RK | 65-2428 | 65-2438 | 61-0190RK-CH4 61-0192RK-CH4 |
61-0190RK-HC | 61-0191RK-02 61-0191RK-03 61-0191RK-05 61-0191RK-10 |
|
| Measuring Range | 0-100% LEL | 0-25% Vol. | 0-100 ppm | 0-300 ppm | 0-100% LEL 0-100% Vol. |
0-100% LEL | -02 -03 -05 -10 |
0 – 5000ppm 0 – 5.0%Vol. 0 – 50%Vol. 0 – 100%Vol. |
|
| Lower Detectable Limit (LDL) | 2% of full scale | 0.1% Vol. | 2% of full scale | ||||||
| Response Time (T-90) |
LEL – 30 Seconds | LEL H2 – 20 Seconds | 90 Seconds | 60 Seconds | 90 Seconds | 30 Seconds | 30 Seconds | 30 Seconds | |
| Accuracy | +/- 5% of full scale (0.5% volume for oxygen) | ||||||||
| Life Expectancy | 2 to 3 years with normal service | 3 to 5 years with normal service | 2 to 3 years with normal service | 5 years plus with normal service | |||||
| Operating Environment | |||||||||
| Location | Indoor or outdoor. Explosion proof for Class I, Groups B, C, and D atmospheres. | ||||||||
| Temperature | -40°F to 167°F -40°C to 75°C |
-4°F to 113°F -20°C to 45°C |
-40°F to 104°F -40°C to 40°C |
23°F to 104°F -5°C to 40°C |
-40°F to 122°F -40°C to 50°C |
||||
| Humidity | 0 – 99% RH non condensing | ||||||||
| Housing | |||||||||
| Housing J-Box | Cast aluminum, explosion-proof. Optional stainless steel J-box available. | ||||||||
| Sensor | Stainless steel, explosion-proof | ||||||||
| Approvals | 61-1000RK UL | 61-1001RK UL | CSA NRTL | C UL US | |||||
| 61-1000RK-05 CSA | 61-1001RK-05 CSA | ||||||||
| Controllers | Compatible with the following controllers: Beacon 110, Beacon 200, and Beacon 410A | ||||||||
| Warranty | One year materials and workmanship | ||||||||
Toxic Gas Transmitters Class I, Div. 2 | |||||
| O2 Oxygen |
H2S Hydrogen Sulfide |
CO Carbon Monoxide |
Toxics | CO2 Carbon Dioxide |
|
| Sensor With J-Box | 65-2497RK *65-2502RK |
65-2498RK | 65-2499RK | See Chart Below | 61-1007RK-02 61-1007RK-03 61-1007RK-05 61-1007RK-10 |
| Sensors | Galvanic cell | Electrochemical | Infrared | ||
| Sensor Only | 65-2494RK *65-2510RK | 65-2495RK | 65-2496RK | See Chart Below | 61-0198RK-02 61-0198RK-03 61-0198RK-05 61-0198RK-10 |
| Measuring Range | 0-25% Vol. | 0-100 ppm | 0-300 ppm | 0 – 5000ppm 0 – 5.0%Vol. 0 – 50%Vol. 0 – 100%Vol. |
|
| Lower Detectable Limit (LDL) | 0.1% Vol. | 2% of full scale | |||
| Response Time (T-90) | 20 seconds or less | 35 seconds or less | 60 seconds or less | 30 seconds or less | |
| Accuracy | +/- 5% of full scale (0.5% volume for oxygen) | ||||
| Life Expectancy | 2 years withnormal service | 2 to 3 years with normal service | 5 years plus with normal service |
||
| Operating Environment | |||||
| Location | Indoor or outdoor, Class I, Div. 2 | ||||
| Temperature | -4°F to 122°F -20°C to 50°C |
14°F to 104°F -10°C to 40°C |
-40°F to 122°F -40°C to 50°C |
||
| Humidity | 0 – 99% RH non condensing | ||||
| Housing | |||||
| Housing J-Box | Cast aluminum, explosion-proof | ||||
| Sensor | Aluminum | ||||
| Controllers | Compatible with the following controllers: Beacon 110, Beacon 200, and Beacon 410A | ||||
| Warranty | One year materials and workmanship | ||||
|
Toxic Direct Connect Sensor Ordering Information |
|||||
| Part Number With J-Box | Part Number Without J-box | Gas | Range | Resolution | Sensor type | |
| 65-2301RK-NH3 | 65-2300RK-NH3 | Ammonia (NH3)* | 0 – 75.0 ppm | 0.1 ppm | ESM -01 | |
| 65-2303-NH3-75 | 65-2302-NH3-75 | Ammonia (NH3) | 0 – 75.0 ppm | 0.1 ppm | CT-7 | |
| 65-2303-NH3-1 | 65-2302-NH3-1 | Ammonia (NH3) | 0 – 100 ppm | 1 ppm | CT-7 | |
| 65-2303-NH3-2 | 65-2302-NH3-2 | Ammonia (NH3) | 0 – 200 ppm | 1 ppm | CT-7 | |
| 65-2303-NH3-5 | 65-2302-NH3-5 | Ammonia (NH3) | 0 – 500 ppm | 1 ppm | CT-7 | |
| 65-2301RK-AsH3 | 65-2300RK-AsH3 | Arsine (AsH3) | 0 – 1.50 ppm | 0.01 ppm | ESM -01 | |
| 65-2303-CL2-3 | 65-2302-CL2-3 | Chlorine (Cl2) | 0 – 3.00 ppm | 0.01 ppm | CT-7 | |
| 65-2303-CL2-10 | 65-2302-CL2-10 | Chlorine (Cl2) | 0 – 10.0 ppm | 0.1 ppm | CT-7 | |
| 65-2303-CLO2-1 | 65-2302-CLO2-1 | Chlorine Dioxide (ClO2) | 0 – 1.00 ppm | 0.01 ppm | CT-7 | |
| 65-2303-CLO2-3 | 65-2302-CLO2-3 | Chlorine Dioxide (ClO2) | 0 – 3.00 ppm | 0.01 ppm | CT-7 | |
| 65-2303-CLO2-5 | 65-2302-CLO2-5 | Chlorine Dioxide (ClO2) | 0 – 5.00 ppm | 0.01 ppm | CT-7 | |
| 65-2301RK-HCN | 65-2300RK-HCN | Hydrogen Cyanide (HCN) | 0 – 15.0 ppm | 0.1 ppm | ESM -01 | |
| 65-2301RK-PH3 | 65-2300RK-PH3 | Phosphine (PH3) | 0 – 1.00 ppm | 0.01 ppm | ESM -01 | |
| 65-2301RK-SO2 | 65-2300RK-SO2 | Sulfur Dioxide (SO2) | 0 – 6.00 ppm | 0.01 ppm | ESM -01 | |
| * Sensor being phased out, use CT-7 type when possible. | ||||||
Direct Connect Wiring Matrix | ||
| Sensor | Number of Wires to Controller | Maximum Distance to Controller |
| 18 AWG wire min. | ||
| LEL / CO2 / IR | 4 | 500 ft. |
| Oxygen | 2 | 500 ft. |
| H2S | 2 | 500 ft. |
| CO | 2 | 500 ft. |
| Toxics | 2 | 500 ft. |
Specifications subject to change without notice.
Product information supplied by the manufacturer (RKI Instruments).
Product codes
- Add J-Box — SKU: 61-1001RK
- Sensor Only — SKU: NC-6205-01
Couldn't load pickup availability
Buying for a team?
Discuss your requirements with Russmill Safety: sales@russmillsafety.com.
Selection & specifications
Selection & specifications
Review the product description, available variants and manufacturer’s specifications before ordering. PPE must be selected for the hazards and requirements of your workplace.
Shipping & returns
Shipping & returns
Review our Shipping Policy and Refund Policy for current terms.
Care & product support
Care & product support
Follow the manufacturer’s care, inspection and replacement instructions. Need clarification? Contact customerservice@russmillsafety.com with the product name or SKU.
Payment & Security
Payment methods
Available payment methods are displayed at checkout. Review your order and delivery details before completing payment.
Quick order list
Match equipment to your workplace hazards and the manufacturer’s published specifications. Check sizing, compatible components and intended use before ordering.
Read our Shipping Policy and Refund Policy. Contact our team about product and order requirements.
Send product names or SKUs, quantities, sizes and your destination to sales@russmillsafety.com to discuss your requirements.
