| > | | | | rate calibration. The digital flow meter speeds up |
| The FlowCal 5000 Liquid Flow Meter is an | | | | HPLC troubleshooting by making it easy to diagnose |
| indispensable tool for analytical chemists, metrologists, | | | | common pump problems like poorly functioning check |
| and validation specialists responsible for HPLC | | | | valves or leaking pump seals. |
| calibration and qualification. The FlowCal 5000 is | | | | The FlowCal 5000 is durable, certified, and accurate |
| durable, certified, and accurate at low flow rates. The | | | | at low flow rates. It measures flows accurately to |
| principle of operation is the repeated and accurate | | | | 1¼l/minute and is guaranteed to be linear from |
| measurement of the transit time of a meniscus | | | | 50µL/min to 25mL/min. Traceable and certified, all |
| between two optical sensors. The FlowCal 5000 will | | | | FlowCal 5000 flow meters are calibrated to the end |
| save you a lot of time and frustration in the lab. | | | | user’s specifications. They are supplied with |
| Pharmaceutical companies worldwide race against | | | | standard single-point calibration at 1 mL/min, standard |
| time to discover and develop new drugs for diseases | | | | three-point calibration at 0.5, 1.0, and 2.0 mL/min, or |
| ranging from cancer to HIV to heart disease. In this | | | | custom calibration. |
| pursuit, it is essential that they utilize the most time | | | | The principle of operation is the repeated and |
| efficient tools and scientific techniques without | | | | accurate measurement of the transit time of a |
| compromising accuracy. Perhaps the most commonly | | | | meniscus between two optical sensors. To enable |
| used analytical technique in the pharmaceutical | | | | very low flow rates to be measured rapidly, the |
| industry is HPLC. The FlowCal 5000 Liquid Flow Meter | | | | measuring volume is about 0.14 mL and all bores have |
| is an indispensable tool for analytical chemists, | | | | been reduced to a minimum. At a flow rate of 2mL |
| metrologists, and validation specialists responsible for | | | | min the flow meter reading is updated every 15 |
| HPLC calibration and qualification. Manual calibration of | | | | seconds. Flow rate is independent of liquid type up to |
| HPLC flow rates by gravimetric or volumetric | | | | a viscosity of 10 centipoise. The unit is suitable for |
| measurements is tedious, labor intensive, and prone | | | | measurement of all common HPLC solvents. |
| to error. Nevertheless, the majority of laboratories in | | | | The FlowCal 5000 is compact and lightweight, with a |
| the U.S. that calibrate HPLC flow rates currently use | | | | weight of only 12 ounces. The data is displayed on a |
| manual techniques. Use of a digital liquid flow meter | | | | large 4-digit Liquid Crystal Display and can be output |
| offers improvements in speed, accuracy, and | | | | to a printer or computer via the RS232 interface to |
| reproducibility. The FlowCal 5000 digital liquid flow | | | | the full 6-digit reading. A miniature thermal printer is |
| meter is designed specifically to simplify HPLC flow | | | | available as an option. |