Nikira
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| Brand | Nikira |
|---|---|
| Origin | USA |
| Model | LI-G2002 Optical Ammonia Analyzer (OAA) |
| Measurement Principle | ICOS/CEAS (Integrated Cavity Output Spectroscopy / Cavity-Enhanced Absorption Spectroscopy) |
| NH₃ Accuracy | ±1 ppb (1 s, 1σ) |
| NH₃ Range | 1 ppb – 10 ppm |
| Data Output Rate | 1 Hz |
| Response Time | < 2 s |
| Sample Flow Rate | 2 SLPM |
| Operating Temperature | 5–45 °C |
| Operating Humidity | 0–95 % RH (non-condensing) |
| Communication Interfaces | RS-232 serial, built-in Wi-Fi, UART, USB 3.0, HDMI |
| Dimensions | 22" × 14" × 7.5" (55.9 × 35.6 × 19.1 cm) |
| Weight | 8 kg |
| Power Supply | 14–28 VDC, 2.5 A |
| Power Consumption | 35 W |
| Onboard Storage | 32 GB SD card (supports >1 million data points, ~2 years of continuous 1-Hz logging) |
| Calibration | Zero-air and span-gas optional |
| Filter | Replaceable inlet particulate filter |
| Warranty | 1 year |
| Brand | Nikira |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | LI-G3003 Portable Cavity-Enhanced Methane and Carbon Dioxide Analyzer (PMCA) |
| Price | Upon Request |
| Measurement Principle | Cavity-Enhanced Absorption Spectroscopy (CEAS) |
| CH₄ Accuracy | <10 ppb (1σ, 1 s) |
| CO₂ Accuracy | <10 ppm (1σ, 1 s) |
| H₂O Accuracy | <200 ppm (1σ, 1 s) |
| CH₄ Range | 0–10,000 ppm |
| CO₂ Range | 0–20,000 ppm |
| H₂O Range | 0–30,000 ppm |
| Data Output Rate | 3 Hz |
| Response Time | τ = 1/e at 3 Hz |
| Sample Flow Rate | 3 SLPM |
| Operating Temperature | 0–50 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Sample Interface | Quick-Disconnect Coupler (QDC) |
| Connectivity | Integrated Wi-Fi, Ethernet (RJ-45), 2× USB 3.0, HDMI |
| Dimensions | 22.9 × 15.2 × 8.9 cm (9″ × 6″ × 3.5″) |
| Weight | 2.3 kg |
| Power Consumption | 15 W |
| Input Power | 16–24 VDC, 5 A |
| Onboard Storage | 30 GB SSD |
| Calibration Interval | Annual |
| Inlet Filter | Replaceable particulate/moisture filter |
| Warranty | 12 months |
| Brand | Nikira |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Import Status | Imported |
| Model | LI-G3004 Portable Methane and Ethane Analyzer (MEPA) |
| Pricing | Upon Request |
| Measurement Principle | Cavity-Enhanced Absorption Spectroscopy (CEAS) in Mid-Infrared |
| CH₄ Precision | < 2 ppb/s |
| C₂H₆ Precision | < 500 ppt/s |
| CH₄ Sensitivity | < 6 ppb/s |
| C₂H₆ Sensitivity | < 1.5 ppb/s |
| CH₄ Range | 1–100 ppm (highly linear) |
| C₂H₆ Range | 0.001–3 ppm (highly linear) |
| extended mode | CH₄ 1 ppm–1%, C₂H₆ 500 ppt–500 ppm (nonlinear correction applied) |
| Data Output Rate | 2 Hz |
| Response Time | 1 Hz (1/e) |
| Sample Flow Rate | Not specified |
| Operating Temperature | 0–45 °C |
| Operating Humidity | 0–98 % RH (non-condensing) |
| Inlet Fitting | ¼" Swagelok |
| Data Interfaces | RS-232 serial, built-in Wi-Fi, Ethernet (RJ-45), USB-A, HDMI |
| Dimensions | 22" × 9" × 5.5" (56 cm × 23 cm × 14 cm) |
| Weight | 4 kg |
| Power Consumption | < 30 W |
| Input Power | 14–36 VDC, 2.5 A |
| Internal Storage | 30 GB |
| Calibration Interval | Annual |
| Maintenance | Low-frequency filter replacement only |
| Warranty | Standard manufacturer warranty |
| Brand | Nikira |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | OEA-532 |
| Instrument Type | Aerosol Detector |
| Wavelength | 532 nm |
| Dynamic Range | 0 to >3000 Mm⁻¹ |
| Accuracy | ±1 Mm⁻¹ (nominal) |
| Data Rate | 1 s |
| Measurement Principle | Open-Path Cavity Ring-Down Spectroscopy (CRDS) |
| Calibration | Autonomous in-situ self-calibration |
| Consumables | None |
| Operating Temperature | −5 to +50 °C |
| Relative Humidity | 0–99 % RH (non-condensing) |
| Dimensions | 49 cm × 33 cm × 18 cm |
| Weight | 7.7 kg |
| Power Consumption | 35 W |
| Onboard Memory | >1 million readings (≥2 years continuous at 1 Hz) |