
Model FP-31 Formaldehyde Gas Detector
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
Air quality is very important in the world we live in today as more and more pollutants are destroying the air we breathe on a daily basis. Protecting our environment is key for our future. ERE Inc. has a vast array of products to be able to Sample, Monitor, Filter as well as ...

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

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

IP 67 | -20 to +50 °C | 250 g / 47×130×44 mm | Up to 6 gases (O2, CO, H2S, Ex, CO2, toxic) | ~10-12 h battery life

0–40°C operating range | 300 mL/min gas flow per module | Up to 10 modules (6300/6600) | Bump test 8–15 sec | 11–28V DC power

1–5 gas detection | IP 67 | 48×130×44 mm / 220 g | –20°C to +50°C | ATEX / IECEx / UL / CSA

Features: | · Particle size: 4x8 US Mesh | · CCl4 Activity: Min. (ASTM D-3467): 60 | · Proprietary Blend Active Ingredient, % wt. min.: 6.0

• Small Accessories Kit With Extra Filters & O-Rings

Geiger-Mueller tube | 3 ranges: 0–0.5/5/50 mR/hr & 0–500/5,000/50,000 CPM | ±15% accuracy (±10% NIST cal) | 9V alkaline battery ~2,000 hr | -10°C to +50°C operating range

Includes: | • AC Adapter/Battery Charger

Zirconia cell | 0–10/100/1000 ppm & 0–100 vol% O₂ | Built-in suction pump (1000–2000 mL/min) | ±0.5% FS repeatability | 210×288×327 mm, 10 kg

3 sensors, 1 explosion-proof housing | LEL 0–100% / O₂ 0–25% Vol / H₂S 0–100 ppm | Class I Div 1 Groups B,C,D | UL / CSA NRTL | -40 to 185°F operating (catalytic)

0–25.0% vol O2 | Resolution 0.1% | Accuracy ±0.7% vol | T90 response <30 s | Alarms 19.0% / 18.0% vol

4-20 mA output | Explosion-proof Class I Div 1 Groups B,C,D | Operating temp -40°C to 75°C | Gases: LEL/O2/H2S/CO/CO2/toxics | 11-30 VDC operating voltage

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

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

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

24 VDC (11–30 V) | 4–20 mA output | CO: 0–300 ppm / H2S: 0–100 ppm | Electrochemical sensor | 0–120°F operating range

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)
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