Schuetz SIGAS
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| Brand | Schuetz SIGAS |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | SILAREX-TOC |
| Price Range | USD 2,800 – 7,000 |
| Detection Principle | Non-Dispersive Infrared (NDIR), Dual-Beam |
| Measured Gas | CO₂ (as TOC surrogate) |
| Ranges | 0–100 ppm (±2 ppm), 0–1,000 ppm (±20 ppm), 0–10,000 ppm (±100 ppm) |
| LOD | 0.15 ppm |
| Response Time (T90) | <8 s @ 0.7 L/min |
| Repeatability | ≤ ±1 % FS |
| Linearity Error | ≤ ±1 % FS (≤ ±1.5 % FS optional) |
| Stability | < ±2 % FS over 1,000 h |
| Operating Temp. | 0–40 °C |
| Storage Temp. | −20–60 °C |
| Humidity | 0–95 % RH (non-condensing) |
| Pressure Range | 800–1,150 mbar |
| Flow Rate | 0.2–1.0 L/min |
| Warm-up Time | <2 min (cold start), <30 min (thermal equilibrium) |
| Power Supply | 24 VDC ±0.3 V |
| Max. Current Draw | 1.5 A (heating active) |
| Power Consumption | <800 mW (idle), up to 36 W (heating) |
| Digital Output | Modbus ASCII/RTU (TTL, auto-baud 2400–115.2 kbps) |
| Analog Output | Optional 4–20 mA or 0–10 V |
| Internal Heater Setpoint | 42 °C |
| Gas Inlet/Outlet | 3 mm ID / 5 mm OD tubing |
| Chamber Material | Electropolished Aluminum |
| Optical Window | Fluorinated Glass |
| Wavelength | 4.26 µm (2350 cm⁻¹) |