




Manufacturer: Brooks Instrument B.V.
Country of Manufacture: Netherlands
Model: 1350/D2B1E1B5A00
Serial No.: L43400/01
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 | 0–40 ln/h Nβ |
| Flow unit | ln/h (normal liters per hour) |
| Flow reference conditions | ATR @ STP |
| Accuracy | Typically ±5% of full scale |
| Repeatability | Excellent repeatability |
| Calibration temperature | 20 °C |
| Inlet pressure (Pe, nominal) | 0.4 bar |
| Maximum working pressure (MWP) | 14 bar |
| Operating temperature | 20 °C (calibration condition) |
| Metering tube material | Borosilicate glass |
| Float material | As defined by D1 configuration |
| Installation orientation | Vertical only |
| Process connections | 1/8" or 1/4" NPT (model-dependent) |
| Mounting | Panel mounting |
| Compliance | PED SEP (Sound Engineering Practice) |
| Country of manufacture | Netherlands |