Industrial-grade equipment for environmental consultants, oil & gas, mining, manufacturing and labs. Quote-driven catalog — every unit ships with calibration certificates and bilingual technical support.
IP-67 | 2 AAA batteries, up to 9,000 hrs | T90 ≤30 sec | -20°C to +50°C | ATEX/IECEx + C/US Class I Div 1
2-Channel | NEMA 4X Enclosure | 110–240 VAC or 24 VDC | 4-20 mA Output per Channel | 10 A Relays (SPDT)
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
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
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
LEL 0–100% | O2 0–25% Vol | H2S 0–100 ppm | CO 0–300 ppm | Class I Div. 1 Groups B,C,D | –40°C to 75°C
CO detection | 0–150 ppm, 1 ppm resolution | Alarms: 50 ppm (L1), 100 ppm (L2) | Electrochemical sensor, field-replaceable | Power: 115 VAC / 24 VDC / 2×AA batteries
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
AsH3 0–15 ppb | H2Se 0–200 ppb | 4-20 mA output | 41–95°F (5–35°C) operating | Panel: 24VDC / Desktop: 100-220VAC
Detection: Photoelectric colorimetric tape (HCHO) | Range: 0.030–0.500 / 0.05–1.00 / 0.3–5.00 ppm | Power: 100–220 VAC universal | Output: 4-20 mA + alarm relays | Dimensions: 164×198×263 mm, 6.5 kg
1.6 oz / 45 g | IP66/68 | ATEX, IECEx, CSA | CR2450 battery, up to 4,000 hrs | Diffusion sampling, −20°C to +50°C
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
4-20 mA output | 15–27 VDC (2-wire loop-powered) | 0–40°C operating | ExiaIICT4 intrinsically safe | 3.9"W × 9.5"H × 1.9"D
4 Gases (LEL/O2/H2S/CO) | IP66/68 | 3.52 oz / 100 g | 25 hr battery | -20°C to +50°C | ATEX, CSA, IECEx, MED
5 gases simultaneous | LEL/O2/H2S/CO + 1 toxic/IR channel | IP66/68 | ATEX, CSA, IECEx, MED | 4.58 oz / 2.9"W x 2.6"H x 1.06"D
6-gas simultaneous | IP-67 | 28 hr Li-ion runtime | Internal pump 0.45 LPM | 2 interchangeable smart sensor slots
24 VDC (11–30 V) | 4–20 mA output | CO: 0–300 ppm / H2S: 0–100 ppm | Electrochemical sensor | 0–120°F operating range
10–30 VDC | 4-20 mA + Modbus RTU output | NEMA 4X explosion-proof cast aluminum | -40°C to 50°C operating temp | UL/CSA Class I Div. 1 Groups B, C, D
0–100% LEL | 24 VDC input | Sample draw up to 100 ft | 7×7×6.13 in (cast aluminum) | Class I Div I Groups B/C/D (CSA/UL)
HCHO 0–0.4 ppm (30 min) / 0–1.0 ppm (15 min) | Photoelectric photometry + colorimetric tablet | ±20% accuracy | 4 AA batteries (~12 hr) | 85×190×40 mm, 500 g
0–25.0% vol O2 | Resolution 0.1% | Accuracy ±0.7% vol | T90 response <30 s | Alarms 19.0% / 18.0% vol
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
MOS sensor | 2 alarm levels (12A relay each) | 115 VAC / 24 VDC / 48 VDC | 35–120°F (2–49°C) | 0–100% 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
