Ozone Analyzer
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| Brand | Teledyne Cetac |
|---|---|
| Origin | USA |
| Model | 465L |
| Measurement Principle | UV Absorption (254 nm) |
| Concentration Range | 0–1 ppm and 0–500 ppm selectable |
| Units | ppmv, ppbv, ppmw, pphm, µg/m³, mg/m³ |
| Accuracy | ±0.1% of full scale |
| Resolution | 0.001 ppm |
| Response Time (T90) | <30 s |
| Sample Flow Rate | 1–2.5 L/min |
| Operating Temperature | 5–45 °C |
| Signal Output | 4–20 mA (isolated), 0–5 V analog |
| Communication Interface | RS-232 |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Dimensions (W×H×D) | 483 × 133 × 388 mm |
| Weight | 6.17 kg |
| Certification | CE |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | 49i |
| Pricing | Upon Request |
| Measurement Principle | UV Photometry (254 nm) |
| Detection Range | 0–200 ppm / 0–400 mg/m³ (selectable dual-range or auto-ranging) |
| Zero Noise | 0.25 ppb RMS (60-sec average) |
| Limit of Detection | 0.50 ppb |
| 24-hr Zero Drift | <1.0 ppb |
| Monthly Span Drift | <1% of full scale |
| Response Time (T90) | ≤20 seconds |
| Compliance | EPA EQOA-01, ISO 13964, ASTM D5012, US EPA Reference Method for O₃ |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | 49i |
| Instrument Type | Online Continuous Monitor |
| Measurement Range | 0–0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200 ppm |
| Lower Detection Limit | 0.5 ppb |
| Response Time (T₉₀) | 20 s |
| Zero Drift (24 h) | <1.0 ppb |
| Span Drift (30 days) | <1% of full scale |
| Resolution | 1.0 ppb |
| Zero Noise | 0.25 ppb RMS (60-s averaging) |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | 49i-PS |
| Instrument Type | Online Calibrator |
| Measurement Range | 0–0.05, 0.1, 0.2, 0.5, 1.0, 2.0, 5.0 ppm |
| Detection Limit | 1.0 ppb |
| Response Time | 20 s |
| Zero Drift | 0.25 ppb RMS (60-s averaging) |
| Resolution | 1.0 ppb |
| Ozone Source Output | 0.25–1.000 ppm at 3–4 L/min |
| Ozone Source Stability | ±4 ppb or ±1% of reading (whichever is lower) |
| Linearity | ±1% of full scale |
| Accuracy | ±1.0 ppb |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Type | Fixed-Mount Primary Calibration System |
| Compliance | GB 3095-2012, HJ 654-2013 |
| Core Components | SRP Main Unit, Zero Air Generation System, High-Accuracy Pressure Sensor, UV Photometer Reference Standard, Control & Data Acquisition Workstation |
| Gas Path Materials | PTFE/PVDF Valves & Fittings |
| Flow Control | Digital Mass Flow Controllers (MFCs) |
| Interface | 7-inch Touchscreen (Bilingual Chinese/English GUI) |
| Environmental Compensation | Automatic Temperature & Pressure Compensation |
| Alarm Function | Multi-Parameter Real-Time Alerting |
| Zero Air Specification | Dry, High-Purity (>99.999%), Stable Flow Output |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-2003H |
| Instrument Type | Online |
| Measurement Range | 0–1000 ppb (configurable) |
| Detection Limit | <1 ppb |
| Response Time | <30 s (T90) |
| Zero Drift | ±1 ppb/24 h |
| Resolution | 0.1 ppb |
| Operating Temperature | 5–40 °C |
| Pressure Compensation | Built-in absolute pressure sensor |
| Temperature Compensation | Integrated NTC thermistor |
| Display | 7-inch capacitive touchscreen |
| Data Logging | Internal storage for ≥1 year (one record per 5 min) |
| Communication | RS232/RS485, Modbus RTU, optional Ethernet |
| Gas Path Materials | PTFE (Teflon®) valves, fittings, and sample lines |
| Alarm Outputs | 4 programmable relay outputs |
| Compliance | CE-marked, RoHS-compliant, designed per IEC 61000-6-3 (EMC) and IEC 61000-6-2 (immunity) |
| Brand | Yuhong |
|---|---|
| Model | TH-2003H |
| Detection Principle | UV Absorption at 254 nm |
| Display | 7-inch capacitive touchscreen |
| Concentration Units | ppb, ppm, µg/m³, mg/m³ |
| Data Logging Interval | 5 minutes |
| Battery Life | >10 hours (rechargeable Li-ion) |
| Flow Path Materials | PTFE (Teflon®) |
| Auto Range Switching | Yes |
| Temperature & Pressure Compensation | Integrated |
| Remote Diagnostics & Calibration Support | Yes |
| Alarm Functions | Multi-parameter configurable |
| Power Supply | AC/DC dual-mode |