LoRaWAN Ex d approved Hydrogen Sulfide H2S Gas Sensor

SKU: WSLRWEX-G-H2S

WSLRWEX-G-H2S is a LoRaWAN sensor with Ex d explosion-proof approval, comes with a built-in high-performance sensor to detect the Hydrogen Sulfide H2S gas concentration in the air. With Ultra-low-power design and smart firmware allow the complete Wireless and Sensor package to run on a single battery type D for 5 years or more with 15 minutes update. It supports global frequency bands EU868, IN865, RU864, KR920, AS923, AS923-2, AU915, US915. The sensor can work perfectly with any LoRaWAN Gateway on the market.

Typical applications: detect H2S gas in wastewater treatment systems, industrial systems, oil refineries...

LoRaWAN communication

  • Support LoRaWAN Class A, connect to any LoRaWAN gateway on the market

High performance Sensor

  • Deliver stable output and reliable

More than 5 years Battery life

  • Ultra low power sensor technology allow 5-year battery life with a single size D battery

Plug & Play

  • The sensor is tested and pre-configured in factory before shipping.
Measurement technologyHigh-performance electrochemical
Measurement Range0-100 ppm
Maximum Overload200 ppm
Max response time (T90)< 25s
Resolution0.01 ppm
Repeatability< 2% of reading value
Drift< 2% of reading value per month
Sensor life2 years in clean air
Sensor Operating Temperature Range-40 to 50 °C
Operating Pressureatmosphere +/- 10%
Operating Humidity Range15 - 90% RH, non-condensing
Data rate250bps .. 5470bps
Antenna Antenna2.67 dbi
RF Frequency and Power860..930 MHz, +14 .. +20 dBm, configurable for zones: EU868, IN865, RU864, KR920, AS923, AS923-2, AU915, US915
ProtocolLoRaWAN Class A
Data sending modesinterval time, an alarm occurred and manually triggered by a magnetic key. Recommend max 24 messages per day
Configurationvia offline USB cable (PC software is supplied for free)
Battery01 x D type LiSOCl2 3.6V battery
HousingFire retardant GFP, IP66
Ex CertificationIMQ 14 ATEX 005 X, TÜV CY 18 ATEX 0206158 X and IECEx DEK 15.0048X
Hazardous Protection MarkingATEX II 2G Ex db IIC T4 Gb and ATEX II 2D Ex tb IIIC T135°C Db
Ambient working temperature-40°C to +85°C
StandardsIEC EN 60079-0, IEC EN 60079-7 and IEC EN 60079-31
Applicable ZonesZone 1 & 2 gas hazardous areas
Zone 21 & 22 hazardous areas which contain conductive combustible dust
DimensionsH170xW122xD77
Net-weight~ 1100 grams (without battery)
MountingWall mount bracket
WSLRWEX-G-H2S-100LORAWAN H2S GAS SENSOR, 0-100PPM, EX D APPROVED ZONES 1-2-21-22, BATTERY 3.6V, IP66, FOR EU868, IN865, RU864, KR920, AS923, AS923-2, AU915, US915

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