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| Brand | Ion Science |
|---|---|
| Origin | UK |
| Model | TIGER Select |
| Detection Principle | Photoionization Detection (PID) with 10.0 eV UV Lamp |
| Resolution | 10 ppb (benzene) |
| Range | 0–200 ppm (with benzene pre-filter), 0–20,000 ppm (TAC mode, gas-dependent) |
| Response Time (T90) | <2 s |
| Accuracy | ±10% of reading ±1 digit (benzene) |
| Linearity | ±5% of reading ±1 digit |
| Intrinsically Safe Certification | II 1G Ex ia II C T4 Ga (Ta = –15 °C to +45 °C) |
| Battery Life | Up to 24 h (rechargeable Li-ion), 8.5 h (3×AA alkaline) |
| Data Logging | >120,000 timestamped records |
| Calibration | 2-point and 3-point via certified calibration kit |
| Alarm | Visual (amber/red LED), audible (95 dBA @ 300 mm), vibratory (pre-programmed TWA/STEL) |
| Flow Rate | 220 mL/min (low-flow alarm at 150 cc/min) |
| Operating Temp | –20 °C to +60 °C |
| Humidity | 0–99% RH (non-condensing) |
| IP Rating | IP65 |
| EMC Compliance | EN 61326-1:2006, EN 50270:2006, CFR 47 Part 15 Class A |
| Dimensions (w/o filter) | 465 × 89 × 61 mm |
| Weight (instrument only) | ~0.55 kg |
| packaged weight | 5 kg |
| Brand | RAE Systems |
|---|---|
| Origin | USA |
| Model | PGM-1600 |
| Dimensions | 21 × 8.5 × 6.5 cm |
| Weight | 700 g (with Li-ion battery) |
| Sampling Method | Pump-assisted |
| Enclosure Material | Engineering plastic with rubber overmold |
| Ingress Protection | IP65 |
| EMC Compliance | EMC Directive 89/336/EEC |
| Operating Temperature | −20 °C to +50 °C |
| Humidity Range | 0–95% RH (non-condensing) |
| Hazardous Area Certification | Ex ia(d) IIC T4 |
| Display | Graphic LCD with auto-backlight |
| Languages | Chinese, English + icons |
| Alarm | 95 dB @ 30 cm audible alarm, dual-color LED flash |
| Alarm Types | High/Low gas concentration, low battery, sensor fault, pump blockage |
| Data Storage | SD card (Excel-compatible format) |
| Sampling Interval | 1–3600 s adjustable |
| Pump Flow Rate | 450–550 cc/min |
| Battery | 3.7 V rechargeable Li-ion |
| Runtime | Up to 16 h (typical field use) |
| Charge Time | 8 h |
| Calibration | Zero and span calibration |
| Sensor Options | LEL or LEL/VOL catalytic bead sensor |
| Sensor Specifications | O₂ (0–30% vol, 0.1% res., T90 ≤15 s) |
| LEL/VOL (dual-range | 0–100% LEL / 0–100% vol, 1% res., T90 ≤15 s) |
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