






Manufacturer: Brooks Instrument B.V.
Country of Manufacture: Netherlands
Model: 1350/D2A4D1A6E020
Serial No.: L75187
Product Type: Variable Area Flowmeter (Rotameter)
| Parameter | Specification |
|---|---|
| Measurement principle | Float position (variable area) |
| Indication | Direct visual reading via float position |
| Measured medium | Nitrogen (Nβ) |
| Flow range | Fl–330 ln/h Nβ @ 20 °C |
| Accuracy | Typically ±5% of full scale |
| Repeatability | Excellent repeatability for stable measurement |
| Calibration temperature | 20 °C |
| Inlet pressure (Pe) | 0.4 bar |
| Operating pressure range | 10–30 bar |
| Operating temperature | 20 °C (calibration condition) |
| Metering tube material | Borosilicate glass |
| Float material | As defined by D1 configuration |
| Installation orientation | Vertical |
| Process connections | 1/8" or 1/4" NPT (model-dependent) |
| Mounting | Panel mounting, optional rear or side connections |
| Country of manufacture | Netherlands |
| Compliance | PED SEP (Sound Engineering Practice) |