SulfiLoggerTM S1-1020-5mgL
X1-1020-5mgL (ATEX)
X1-1120-5mgL (ATEX)
X1-1120-1000ppm (ATEX)
Application Online monitoring Online monitoring Online monitoring
Environment Wastewater Pressurized wastewater Pressurized gases
Measurement range 0-5 mg/L 0-5 mg/L 0-1000 ppm
Max water depth / pressure 10m 3 barg (44 psi) 3 barg (44 psi)
Input power 20 to 30 V 20 to 30 V 20 to 30 V
Output data RS-232 or 4-20 mA RS-232 or 4-20 mA RS-232 or 4-20 mA
Mounting Free hanging
Wall mounted
Flow cell
Flow cell


Get a Quote


Get a Quote


Get a Quote

*€800 surcharge for X1-series sensors (ATEX)

Technical specifications for all sensors:

Accuracy +/- 5% of full range
Detection limit 1% of full range
Response time <25 seconds
Operating humidity range 0-100%
Design temperature range -20°C to +60°C
-4°F to +140°F
Operating temperature range 0°C to +40°C
32°F  to +104°F

Mechanical specifications for all sensors:

Length 240 mm
Diameter Ø48.3mm / 1 ½” pipe
Weight 0.85 kgs
Material Stainless Steel
EN 1.4404 (316L)
Warranty 12 months*

*When used in accordance with the user manual.

Conformity and certificates:

SulfiLoggerTM S1-series
SulfiLoggerTM X1-series
ATEX certificate (Rev. 02) for X1-series sensors
EU Declaration of Conformity (DoC) for X1-series sensors
EU Declaration of Conformity (DoC) for S1-series sensors

Product information sheets:

Sensors for Wastewater applications
Sensors for Natural gas & Biogas applications

Chemical interferences specifications:

Chemical interferences specifications

Request a quote

Please send us an e-mail using this form if you would like to request a quote or know more about our products.

    Wastewater applicationBiogas applicationOil & gas application