Features
• Simultaneously control up to 4 gas monitoring channels
• OLED display of all 4 channels
• LEL / O2 / CO2 / toxic direct connect sensors
• Accepts any 4-20 mA transmitter, 2 or 3 wire
• Up to 3 programmable alarm levels per channel
• Up to 3 configurable alarm relays per channel
• 4-20 mA analog & Modbus digital output standard
• 115 / 220 VAC or 24 VDC operation
• Audible alarm with silence feature
• RFI / EMI Resistant
• Alarm reset switch
• Built in trouble alarm with relay
• Weather and corrosion resistant NEMA 4X enclosure![]()
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| Partial List Of Detectable Gases Many other gases or ranges available. Contact RKI for gases or ranges not listed.  | |
Ammonia (NH3)  | 0 – 75.0 ppm | 
| Arsine (AsH3 ) | 0 – 0.20 ppm | 
| Boron Trichloride (BCl3) | 0 – 15.0 ppm | 
| Carbon Dioxide (CO2) | 0 – 1.0 % | 
| Carbon Monoxide (CO) | 0 – 300 ppm | 
| Chlorine (Cl2) | 0 – 3.0 ppm | 
| Chlorine Dioxide (ClO2) | 0 – 1.00 ppm | 
| Chlorine Trifluoride (ClF3) | 0 – 1.00 ppm | 
| Combustibles | 0 -100% LEL | 
| Diborane (B2H6) | 0 – 30.0 ppm | 
| Fluorine (F2) | 0 – 6.0 ppm | 
| Hydrogen (H2) | 0 – 2000 ppm | 
| Hydrogen Chloride (HCl) | 0 – 15.0 ppm | 
| Hydrogen Fluoride (HF) | 0 – 9.0 ppm | 
| Hydrogen Sulfide (H2S) | 0 -100.0 ppm | 
| Nitric Oxide (NO) | 0 -100.0 ppm | 
| Nitrogen Dioxide (NO2) | 0 – 15.0 ppm | 
| Nitrogen Trifluoride (NF3) | 0 – 30.0 ppm | 
| Oxygen (O2) | 0 – 25.0 % | 
| Ozone (O3) | 0 – 1.0 ppm | 
| Phosphine (PH3) | 0 – 1.0 ppm | 
| Silane (SiH4) | 0 – 15.0 ppm | 
| Sulfur Dioxide (SO2) | 0 – 30.0 ppm | 
| TEOS (Si(OC2H5)4) | 0 -15/30 ppm |