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| Brand | Sensors |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | NGM |
| Price Range | USD 2,600 – 3,900 |
| Brand | Sensors |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AGM |
| Price Range | USD 2,700 – 4,100 (FOB Hamburg) |
| Measurement Principle | Non-Dispersive Infrared (NDIR), Dual-Wavelength, Single-Beam |
| Target Gases | CO, CO₂, CH₄, N₂O |
| Detection Range | CH₄ 0–100% vol |
| Response Time | 5–45 s (dependent on gas, flow rate, tubing length, digital time constant) |
| Accuracy | ±2% FS / 12 months |
| Long-Term Stability | ±2% FS / 12 months |
| Repeatability | ±0.2% FS (zero), ±2% FS (span) |
| LOD | <1% FS |
| Linearity Error | <2% FS |
| Temperature Drift | ±1% FS/10 K (zero), ±2% FS/10 K (span) |
| Heater Control | 55 °C ±5 °C (optional) |
| Pressure Sensitivity | <2% FS/10 mbar (span, uncompensated) |
| Output Options | Dual-color LED status indicator |
| Analog Outputs | 0–20 mA, 4–20 mA, 0–1 VDC, 0–5 VDC, 0–10 VDC (10-bit linear) |
| Digital Output | RS232 (V.28/V.24), 12-bit linear |
| Digital Time Constant | 0.5 s, 5 s, 10 s, 20 s (DIP-switch selectable) |
| Power Supply | 24 VDC (12–30 VDC) |
| Power Consumption | ≤3 W (no heater), ≤8 W (heater active, steady-state), ≤28 W (heater preheat surge, >3 min) |
| Load Impedance (current output) | 250 Ω typical, 500 Ω max |
| Operating Temperature | 0–+50 °C |
| Storage Temperature | −20–+60 °C |
| Flow Rate | 0–750 mL/min |
| Humidity | 0–95% RH non-condensing |
| Warm-up to Ready State | 10 s |
| Optimal Stabilization | 30 min |
| Alarm Thresholds | Two-stage adjustable via potentiometer |
| Calibration | Manual zero and span adjustment via onboard potentiometers |
| PCB Dimensions | 160 × 100 × 45 mm |
| Weight | ≤800 g |
| Inlet Tubing | 3 mm ID |
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