Download
The Millennium ST Series of toxic gas detectors utilize electrochemical sensing technology to continuously monitor your site for a wide range of toxic gas types. The Millennium ST Series of sensors are fast, accurate, and requires only periodic calibration and maintenance with a typical sensor life of 3-5 years.
| ST Series Sensor | Hydrogen Sulfide H2S (ST1200) | Carbon Monoxide CO (ST1600) | Chlorine Cl2 (ST1500) | Ammonia NH3 (ST1700) |
| Detection Range | 0–20/50/100 ppm | 0–500 ppm | 0–10 ppm | 0–100 ppm |
| Accuracy/Repeatability | 3 % full scale/ 1 % full scale | 3 % full scale/ 1 % full scale | ±2 ppm or ±15 % of reading, whichever is greater/ 2 % full scale | 5 % full scale/ 10 % full scale |
| Span Drift | < 2 % full scale/mth | < 5 % full scale/yr | < 2 % full scale/mth | < 2 % full scale/mth |
| Response Time | < 30 s – T90 | < 30 s – T90 | < 60 s – T80 | < 90 s – T90 |
| Operating Temperature | -40 °C to +50 °C (-40 °F to 122 °F) | -20 °C to +50 °C (-4 °F to 122 °F) | -20 °C to +50 °C (-4 °F to 122 °F) | -10 °C to +50 °C (14 °F to 122 °F) |
| Output | Analog 4–20 mA: Max. loop impedance of 800 ohms at 32 VDC or 150 ohms at 10.5 VDC. Isolated or non-isolated loop supply Relays: 3 Form C contacts rated 5 A at 30 VDC/250 VDC | |||
| Humidity Range | 0-95% non-condensing | |||
| Ingress Protection (IP) Rating | IP64 | |||
| Enclosure Material | Powder Coated Aluminum 6061 (316 Stainless Steel Optional) | |||
| Certifications/Approvals | CSA and NRTL/C certified for hazardous locations. Class I, Division 1 (*Division 2 only), Groups C and D. IEC Rating Ex d IIB T6 NEMA 3R |
Net Safety Millennium ST Electrochemical Toxic Gas Detector