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Gas Detector SGD-2000
SGD-2000 fixed flammable and toxic gas detector, configurable with infrared, catalytic, electrochemical, or PID sensors and featuring a 4–20 mA output.
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Technical Specifications
| Product Type | Fixed Flammable and Toxic Gas Detector |
| Model | SGD-2000 |
| Measuring Type | Diffusion |
| Sensor Types | Infrared, Catalytic, Electrochemical, and PID |
| Target Gases | Depending on selected sensor; flammable and toxic gases |
| Measuring Range | According to selected sensor and target gas |
| Response Time | According to selected sensor |
| Accuracy | < ±1% of full scale |
| Repeatability | < ±1% of full scale |
| Power Supply | 16–30 VDC |
| Maximum Current | 400 mA |
| Analog Output | 4–20 mA, Source |
| Relay Outputs | Two adjustable relay contacts: High and High-High alarm; second relay programmable for fault |
| Display | One-line, four-character LCD |
| Local Indicators | Normal, Fault, and Alarm |
| Visual Alarm Indicator | Rotating LED with different colors and frequencies for status and alarm indication |
| Calibration | By remote control or magnet bar |
| Safety Integrity Level | SIL 2 according to IEC 61508 |
| ATEX Explosion Protection | II 2G Ex db IIC T6 Gb |
| EMC Standards | IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, and IEC 61000-4-6 |
| IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, and IEC 61000-4-6 | IP65 |
| Housing Material | Aluminium die-cast or stainless steel, depending on order |
| Sensor Casing | Stainless steel |
| Dimensions | 180 × 140 × 80 mm |
| Weight | Approx. 1.5 kg |
| Cable Entries | 2 × M20 |
| Cable Type | 3 × 1.5 mm² |
| Humidity | 95% RH |
| Operating Temperature | −20 to +60 °C |
| High-Temperature Sensor Range | −20 to +60 °C |
| Optional Accessories | Sunshade SGD2SS, pipe mount SGD2PM, remote control SGD2RC, and magnet bar SGD2MB |
Full Description
The SGD-2000 gas detector is designed for industrial monitoring of flammable and toxic gases. It can be configured with infrared, catalytic, electrochemical, or PID sensors according to the target gas and required range, using diffusion-type measurement. Features include a one-line, four-character LCD, local Normal/Fault/Alarm indicators, a rotating visual alarm, calibration by remote control or magnet bar, a 4–20 mA analog output, and two adjustable relay contacts for High and High-High alarms; the second relay can be programmed for fault indication. The detector has IP65 ingress protection, an aluminium die-cast or stainless-steel housing option, and SIL 2 capability. Target gas, measuring range, and response time depend on the selected sensor.