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| Brand | Wisdom Optics |
|---|---|
| Origin | Beijing, China |
| Model | GGA-313 |
| Detection Principle | Mid-Infrared Cavity Ring-Down Spectroscopy (CRDS) |
| Configuration | Online Continuous Monitoring System |
| Response Time | <1 s (t₉₀) |
| Repeatability | ±0.2 ppm CO₂, ±0.2 ppb N₂O, ±300 ppm H₂O (1σ, 1 s) |
| Drift | ≤2 ppm CO₂, ≤2 ppb N₂O over 24 h |
| Linear Range | 0–2000 ppm CO₂, 0–10 ppm N₂O, 0–3% H₂O |
| Sample Flow Rate | ~200 sccm |
| Operating Temperature | 0–45 °C |
| Power Consumption | 70 W (startup/heating), 45 W (steady-state) |
| Input Voltage | 200–240 VAC, 50/60 Hz |
| Dimensions (W×D×H) | 530 × 430 × 225 mm |
| Weight | 15 kg |
| Inlet/Outlet Fitting | 1/4″ Swagelok® |
| Communication Interfaces | RS-232, USB |
| Brand | Sommer |
|---|---|
| Origin | Austria |
| Model | DP-10 |
| Measurement Principle | Oscillating U-tube |
| Resolution | 0.001 g/cm³ |
| Measurands | NaCl, CaCl₂, MgCl₂ aqueous solution density & concentration |
| Analog Output | 0–10 V |
| Digital Interface | RS232 (9600 Bd, ASCII) |
| Power Supply | 20–30 VDC (80 mA) |
| Operating Temperature | −25 to +50 °C |
| Sample Temperature Range | −30 to +30 °C |
| Housing Dimensions | 150 × 340 × 100 mm (W × H × D) |
| Wetted Parts Material | Stainless Steel DIN 1.4439 |
| Process Connection | 10 mm tube |
| Weight | ~2 kg |
| Ingress Protection | IP65 |
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