Agilent ADM Flow Meter G6691A
Agilent Technologies -- Item TECPIM000151410
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The Agilent ADM Flow Meter (G6691A) is a handheld digital instrument for measuring volumetric flow of dry, non‑corrosive gases commonly used in gas chromatography. It provides continuous, real‑time flow readings without requiring knowledge of the gas composition and is used for GC troubleshooting, detector checks, and routine flow verification. The unit uses a replaceable NIST‑traceable calibration cartridge and supports data access and firmware updates via USB.
Key Features:
- Flow range: 0 to 750 mL/min (auto‑ranging).
- Accuracy: 0–500 mL/min ±2% of reading or ±0.2 mL/min; 501–750 mL/min ±3%.
- Calibration: Replaceable NIST‑traceable cartridge (G6692A).
- Operating temperature: 0 °C to 45 °C (tubing: -62 °C to 110 °C).
- Power/interface: Three AA alkaline batteries; micro‑USB for power and data (does not recharge batteries).
- Measurement principle: Acoustic displacement with a solenoid‑actuated valve; continuous real‑time measurement.
Advantages:
- Eliminates shipping for recalibration by using user‑replaceable NIST‑calibrated cartridges.
- Volumetric measurement works with composite gas mixtures so no gas selection is required.
- Built‑in cartridge calibration timer notifies when replacement is needed, reducing drift risk.
- USB connectivity enables firmware updates and direct data logging for troubleshooting and record keeping.
Product Details
Overview
| Model | |
|---|---|
| Product Type | Consumables |
| Part Number | G6691A |
| Brand | Agilent Technologies |
| Gross Dimensions (WxDxH cm) | |
| Net Dimensions (WxDxH cm) | |
| Gross Weight (kg) | |
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