Environics
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| Brand | Environics |
|---|---|
| Origin | USA |
| Model | 4000 Series |
| Dilution Ratio | Up to 10,000:1 |
| Concentration Range | % to ppb |
| Flow Accuracy | ±1.0% of setpoint (concentration & flow) |
| Flow Repeatability | ±0.05% |
| Warm-up Time | 30 min |
| Gas Connection | 1/4" Swagelok® or compatible |
| Operating Pressure | 10–75 psig (0.67–5.04 bar) |
| UHP Leak Rate | ≤1×10⁻⁹ atm·cm³/sec He |
| Humidity Range (optional) | 0–95% RH (±5% accuracy, NIST-traceable) |
| Heating | Optional heated gas pathways (temperature-controlled) |
| Surface Treatment | Optional silanized stainless-steel tubing |
| Purge Pathway | Integrated electromagnetic valve purge system |
| Permeation Oven | Optional multi-zone permeation furnace with dual-permeation-tube capacity |
| Brand | Environics |
|---|---|
| Origin | USA |
| Model | 4040 |
| Dilution Ratio | Up to 10,000:1 |
| Flow Accuracy | ±1.0% of setpoint |
| Concentration Accuracy | ±1.0% of setpoint |
| Flow Repeatability | ±0.05% |
| Dimensions (Portable) | 43.18 cm × 17.78 cm × 38.1 cm |
| Weight | 8.2 kg (2-MFC), 10.4 kg (4-MFC), 15.9 kg (8-MFC) |