Cross Stack Laser Gas Analyzer (ZSS)
Continuous monitoring of HCl, NH3, CO, CO2, CH4, and O2
- Low maintenance
- Low operating-cost： with no gas-sampling device and few parts to be replaced
- Superior long-term stability
- Fast response within 2 seconds
- Tolerant to high temperature and high dust
- Environment friendly： 80 VA, low power consumption
- Analog output for transmittance is available
- Compliant with RoHS directive (2011/65/EU)
- Double-beam version for CO and O2measurement available
Installation example
Fast response
Specifications
| Target gas | HCl, NH3, CO, CO2, CH4, O2, CO + CO2, CO + O2, HCl + H2O, NH3 + H2O |
|---|---|
| Principle | Non-dispersion infrared (NDIR) |
| Installation | Cross-stack |
| Laser class | Class 1 (high temperature version O2 analyzer and instrument air purge version O2 analyzer fall under CLASS 3B) |
| Measurement range | See Table 1 below. |
| Optical path length | 0.5–10 m (CO + O2 analyzer: 0.5–5 m) |
| Repeatability | ±1% FS (depending on component and range) |
| Zero drift | ±2% FS per 6 months (depending on component and range) |
| Span drift | ±3% FS per 6 months (depending on component and range) |
| Response speed (90% response) | ≤ 4 s (≤ 2 s version available) |
| Analog output | 4–20 mA DC or 1–5 V DC, 2 or 4 points Measured value, O2-corrected value, transmittance |
| Analog input | 4–20 mA DC, 2 points |
| Digital input (option) | 3 points (Average value reset, switchover between instantaneous value and moving average value, remote hold) |
| Digital output | 6 points (low light transmission, device failure, during hold / during calibration, H/L limit, environmental error, power interruption) |
| Power supply voltage | 100–240 V AC, approx. 75 VA |
| Operating environment | Receiver unit and transmitter unit: -20°C to 55°C |
| Control unit: -5°C to 45°C | |
| RH 90% or less | |
| Gas temperature | See Table 1 below. |
| Dimensions (in mm) | Receiver unit: 400 × 180 × 155 |
| Transmitter unit: 400 × 240 × 160 | |
| Control unit: 137 × 255 × 440 | |
| Weight | Receiver unit and transmitter unit: approx. 10 kg each |
| Control unit: approx. 8 kg | |
| Mounting | Receiver unit and transmitter unit: flange mount |
| Control unit: wall mount or pipe mount | |
| Structure | Outdoor use, dustproof and rainproof (IP65) |
