BALLAST CHECK 2 TEST KIT
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Ballast-Check 2 is a multiple turnover Pulse Amplitude Modulated (PAM) fluorometer that provides a rapid, indicative analysis of the Abundance and Activity of algae in ballast water samples. The instrument is configured to provide ship operators with a rapid, indicative determination of whether treated ballast water is at risk of non-compliance with the IMO and USCG, D2 quality standard. Please refer to the User Manual for more details.
Ballast Check 2 measures algae in the 10 to 50um range.
Abundance of Algae
Ballast-Check 2 is configured for detecting chlorophyll fluorescence from live algal cells. Light from the fluorometer is absorbed by algae, which causes the cells to fluoresce. Fluorescence emitted by the cells is detected, quantified, and displayed as a digital number estimating the abundance of algae in the sample as cells/ml for 10 -- 50 micron sized cells. The Ballast-Check 2 has a set threshold value of 10 cells per ml. When the measured Abundance of algae is greater than or equal to the set threshold, this indicates a high risk that algae may be in gross exceedance of the discharge standard.
Activity of Algae
Ballast-Check 2 uses two measuring LEDs to estimate photosynthetic efficiency (viability). The first LED (monitoring) is used to excite the sample with very low light intensity so as not to induce a change in chlorophyll reaction centres. While continuously monitoring the sample using the monitoring LED, the second LED (saturating) blasts the sample with a high intensity of light to bring algae to a higher fluorescence state (Fm). The difference between the monitoring LED's measurement of the maximum (Fm) and minimum (Fo) fluorescence states is called variable fluorescence (Fv). The ratio (Fv/Fm) is a good measure of the algal activity, which is measured as a ratio between 0.01 and 0.75.
Coupled with the WSS Potable Water Test Kit enables you to implement an on board monitoring programme for your Ballast Water quality.
- Rapid, indicative test
- Hand held instrument
- Easy to use, results in a minute
- Measure of gross non compliance
- No chemical reagents are required
- Low cost of operation
- Enable you to make quick adjustment decisions
- Improves control of your Ballast Treatment system
- Helps you to maintain compliance
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