Complete system for pipette checking. Pipettes are widely used instruments in laboratories and their proper maintenance is essential to ensure correct and reliable results. Each laboratory should establish a regular verification program to carry out preventive maintenance or (re)calibration if necessary.
This series of balances is designed for the verification of piston pipettes using the gravimetric method. The embedded “Pipette Check” software allows you to test the correct operation of a pipette by selecting a verification method. At the end, a detailed report is generated with the overall test result (compliant or not-compliant pipette) and the relative partial values.
The -PT models include an evaporation trap that consists of a special weighing container designed to significantly reduce the evaporation of the liquid which occurs naturally during the pipette test procedure. If not well taken into consideration, this effect will negatively affect the tests by increasing the measurement error, leading to an incorrect final result, especially in the case of small volumes. The evaporation trap creates a saturated area of water vapor above the test tube containing the liquid from the pipette, thus minimizing evaporation during the procedure and obtaining reliable results.
| Model | Capacity | Resolution | Calibration | Pan Size | Verification |
|---|---|---|---|---|---|
| PT124 | 120g | 0,1mg | Automatic internal | Ø 80 mm | – |
| PT214 | 220g | 0,1mg | Automatic internal | Ø 80 mm | – |
| PT314 | 310g | 0,1mg | Automatic internal | Ø 80 mm | – |
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| Column Height | 360 mm |
| Display Type | GRAPHIC |
| Tare Range (subtractive) | up to balance capacity |
| Operating Temperature Range | 5 – 35°C (15-30°C for verified models) |
| Power Supply | 110-230Vac. 50/60Hz, output 24V 500mA 13VA |
| Max Power Consumption | 2 W |
| Calibrates With (Class) | 200 g (E2) |
| Response Time (sec.) | ≤4 |
| Linearity | ± 0,0003g |
| Repeatability |
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