Fixed gas detectors and complete detection systems for plants, wastewater and biogas facilities, battery rooms and indoor spaces: RKI sensor/transmitters, sample-draw units and Beacon controllers from 1 to 8 channels, plus Ion Science VOC, benzene and SF6 monitors.
4-channel gas monitoring | NEMA 4X enclosure | 115/220 VAC or 24 VDC | RS-485 Modbus + 4-20 mA outputs | -40°C to 50°C operating range
24 VDC nominal (18.5–30 VDC) | NEMA 4X polycarbonate enclosure | Internal pump, 100 ft sample range | LEL / O2 / H2S / CO / CO2 / H2 sensor options | Optional 4-20 mA output | -20 to 50°C operating range
DC 24V ±10%, max 4W | 4-20mA / PoE / LonWorks output | Sample draw 0.5 L/min ±10% | 2.8"W × 4.7"H × 5.9"D, 0.9 kg | Operating: 0–40°C, 30–70% RH
Sample draw up to 100 ft (1/4\" OD tube) | Compressed air: 10–140 PSI | Sample flow: 3 SCFH (1.5 LPM) | Enclosure: IP65 / NEMA 4X (SS or GRP) | Outputs: 4–20 mA, RS485 Modbus
NEMA 4X enclosure | Up to 4 sensors: CH4 0–100% vol, CO2 0–50% vol, O2 0–25% vol, H2S 0–1000 ppm | 100 ft sample range | 4-20 mA + Modbus RTU output | 24"H x 24"W x 10"D
NIC Detection | 0–2000 ppm SF6 | 100–240 VAC 50/60 Hz | IP52 | -5°C to 45°C operating
8 channels | NEMA 4X weatherproof enclosure | 85-264 VAC / 24 VDC | 4-20 mA inputs (2- or 3-wire) | -10°C to 50°C operating range
2-Channel | NEMA 4X Enclosure | 110–240 VAC or 24 VDC | 4-20 mA Output per Channel | 10 A Relays (SPDT)
NEMA 4X enclosure | 115/220 VAC or 24 VDC | -20°C to 50°C operating | 10 A SPDT relays (3 total) | 4-20 mA input/output
4–20 mA output | Class I Div. 1 Groups B, C & D | –40°C to 75°C | LEL / O2 / H2S / CO / CO2 / toxic gases | UL & CSA certified
MOS sensor | 2 alarm levels (12A relay each) | 115 VAC / 24 VDC / 48 VDC | 35–120°F (2–49°C) | 0–100% RH
