GS1440 Sensor H₂S - Monitoring in Water or Air

GS1440 Sensor H₂S - Monitoring in Water or Air
Product #: LXV449.99.10000
Unit Price Contact Hach
Ships within 6-8 weeks

Reduce chemical costs with smarter dosing and actionable insights

Hydrogen sulfide sensors from Hach provide precise, liquid-phase H₂S measurements in real time, offering visibility into odor hotspots and potential corrosion zones. When coupled with the simplicity of the SC4500 controller, Hach’s H₂S sensors make it easier than ever to make data-driven decisions and optimize chemical usage -- saving your facility time, effort, and operational costs.

Avoid complaints by stopping the problem before it starts

The turbulence that causes the H₂S to go into the air can be a distraction from where the problem actually begins -- helping you to quickly resolve odor concerns protects residents’ well-being and builds trust with the local community.

Durably designed to withstand humid and corrosive environments

Unlike gas-only sensors that fail when exposed to moisture, the GS1440 and GS2400EX are engineered for reliability in harsh conditions in water or air. Their durable construction ensures consistent and accurate performance even in the most demanding applications, so you can focus on your process without interruptions or uncertainties.

Continuous H₂S monitoring made simple

This instrument's corrosion-resistant design can be inserted in pipes or installed in a flow cell, making ultra-tight spaces easy for continuous H₂S monitoring. Cleaning is as simple as wiping the sensor head before each calibration, and calibration only takes five minutes.

What's included?

GS1440 Hydrogen Sulfide Sensor, protective Pelican tube and user manual

Specifications

Accuracy: ± 5% full scale (discrete measurement accuracy, 90-second purge of 1000 ± 20 ppm H₂S standard following single-point calibration)
Calibration: 1000 ppm ± 2% gas standard
Calibration Interval: 1 - 6 months, depending on use
Certifications: CE, UKCA, FCC, ISED, RCM, KC
Certified for hazardous environment: No
Cleaning: Mechanical cleaning (wipe) of sensor face for in-water installations
Controller Compatibility: SC4500, SC1000, SC200 Controller via Digital Gateway CDx440sc
CAx440EX Field Transmitter H₂S EX
Dimensions (D x L): 48.3 mm x 240 mm
EExp / Hazardous Location: N/A
Enclosure Rating: IP68
Length: 240 mm
Lower Limit of Detection (LOD): 1% full scale
Material: Stainless Steel (316 L)
Model: GS1440
Mounting: Free hanging, in pipe or flow cell
Operating Temperature Range: 0 - 40 °C (32 - 104 °F)
Output: 4-20 mA
RS232
Cellular (3G/4G) to Cloud data platform (with Field transmitter H₂S EX)
Parameter: Hydrogen Sulfide (H₂S)
Power Options: 4-20 mA loop power
DC power (12-28 V)
Battery powered with field transmitter H₂S EX
Range: Wastewater: 0 - 5 mg/L
Air: 0 - 1000 ppm
Response Time: < 30 seconds
Storage conditions: 0 - 60 °C (32 - 140 °F), relative humidity 0 - 100%
Warranty: 12 months
Weight: 1.36 kg (3.00 lb)
What's included?: GS1440 Hydrogen Sulfide Sensor, protective Pelican tube and user manual