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| Brand | JCT |
|---|---|
| Origin | Austria |
| Product Type | Portable Gas Preconditioner with Flame Ionization Detection (FID) for NMHC Analysis |
| Instrument Category | Environmental Monitoring Instrument / Gas Analyzer |
| Configuration | Dual-Channel Sample Conditioning System |
| Flow Range | 10–100 Nl/h (Single Channel), 15–150 Nl/h (Dual Channel, per channel) |
| Maximum Combined Flow Capacity | 200 Nl/h at Rated Backpressure |
| Operating Ambient Temperature | 5–45 °C (up to 50 °C continuous) |
| Dew Point Control | +3 °C ± 0.2 °C |
| Refrigerant | R134a (non-CFC, environmentally compliant) |
| Material of Construction | PVDF (Polyvinylidene Fluoride) gas pathways |
| Integrated Components | Dual diaphragm sampling pumps, condensate removal pump, digital temperature display with alarm, precision thermal mass flow sensors, high-efficiency counterflow heat exchanger |
| Compliance | Designed for ASTM D6348, ISO 12913-1, EPA Method 25A, and EU EN 13649-1 pre-conditioning requirements |
| Brand | Ontech |
|---|---|
| Model | Ontech 825 |
| Type | 24-Hour Isothermal & Isokinetic Gas Sampler |
| Configuration | Dual-Path Sampling System |
| Flow Range | Adjustable from 10 mL/min to 2 L/min |
| Flow Stability | ≤ ±2% over 48 h |
| Flowmeter Accuracy | ±2% FS |
| Vacuum Pressure Adjustment | Continuously Variable |
| Power Supply | Rechargeable Lithium-Ion Battery (≥12 h continuous operation at 500 mL/min, 25 kPa backpressure) |
| Inlet Path Treatment | Silanized Fused Silica Surface |
| Enclosure Rating | IP54 |
| Compliance | HJ 759–2023, US EPA Method TO-14A, TO-15, ASTM D5466 |
| Connectivity | Bluetooth 5.0 (direct-pairing mobile app), Optional 4G LTE Module for Remote Monitoring & Control |
| Data Logging | Internal SD card (16 GB) with timestamped flow, pressure, temperature, and leak-test records |
| Sample Interface | Standard 1/4″ Swagelok® or NPT ports compatible with SUMMA® canisters (6L, 1L, 0.5L), Tedlar® bags, and sorbent tubes |
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