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Water or air, measure H2S where it matters – right at the source.


Meet the new GS1440 and GS1440EX hydrogen sulfide sensors from Hach. Whether in water or air, you will have the direct H2S measurement you need to optimize your H2S treatment process and proactively control H2S before it causes issues.

Catalog No. Product Net Price
DRC1R5N Digital 3/4 Inch ORP Sensor, Convertible Sensor Style, PPS Body, Platinum Electrode, Temperature Compensation-None Special offer 
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  • Body Material
  • PPS
  • Cable Length
  • 5.5 m
  • Flow
  • 0 - 2 m/s
  • Material
  • PPS
  • Operating Temperature Range
  • 0 - 105 °C
  • Pressure Range
  • 0 - 6.9 bar at 100ºC (0 - 100 psig at 212ºF)
  • Range
  • -2000 - 2000 mV
  • Special Notes
  • Delivery includes RC1R5N analog ORP sensor, AD 1200 Digital Gateway and 1 m digital extension cable
  • Warranty
  • 3 months
  • What's included?
  • Includes: sensor with 15 ft cable, digital gateway, 3 ft digital extension cable and manual
LXZ524.99.00010 M12/M12 connector kit (Ethernet Cable) 136 
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LXZ524.99.00009 M12/RJ45 connector kit (Ethernet Cable) 210 
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HACH32739 Maintenance Kit for H₂ thermal conductivity sensors / membrane 29561A 819 
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  • Parameter
  • H2S
  • Storage Conditions
  • Store in a dry place at room temperature
HACH32741 Maintenance Kit for H₂ thermal conductivity sensors / membranes 2952A & 29562A 819 
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  • Parameter
  • H2
  • Storage Conditions
  • Store in a dry place at room temperature
HACH33079-4 Filter (100µm) for water applications. 353 
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HACH5796600 LDO sc Calibration Bag, 6 8 
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LXZ449.99.00012 Installation spare parts kit, GS1440/GS2440EX 47 
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  • What's included?
  • Grounding screw M6, nut M6, lock washer, snap hook/carabiner, O-ring, O-ring grease, 6x sensor screws, user instructions
YAB020 SC1000 Internal Profibus DP Card 562 
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  • What's included?
  • Card, Instructions
M1100-S00 Orbisphere M1100 Luminescent dissolved oxygen sensor, 0-2 ppm, with 28 mm Orbisphere fitting Special offer 
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  • Certifications
  • 2004/108/EC - EN 61326-1
  • Material
  • 316 L Stainless Steel (1.4435), Silicone
  • Parameter
  • Oxygen
  • Power Supply
  • Universal 85-264 VAC @, 25 VA, 10-36 VDC, 25 W,
  • Range
  • 0 - 2000 ppb DO (dissolved oxygen)
  • Repeatability
  • ± 0.4 ppb or 1 % whichever is greater
  • Warranty
  • 12 months
  • Weight
  • M1100 12 mm: 0.6 kgM1100 28 mm: 0.74 kg
  • What's included?
  • M1x00 sensor only, 410 or 510 controller, sensor cable, flow-chamber or process connection, must be ordered separately.

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