Reagent Flow Rates; Performing A Turbo Calibration - GE Sievers 900 Series Operation And Maintenance Manual

3. Press the Turbo button and then press On to enable Turbo sampling mode. If you have
previously set Turbo to On, you can press the Off button to return the Analyzer to normal
sampling mode.
Note: Turbo sampling is available only in On-Line Mode. See "Setting the Analyzer Mode" on
page 93 for related information.
Instruments that have been calibrated for Turbo operation also can be used in normal,
non-Turbo mode without affecting measurements. However, instruments that only have
been calibrated for normal operation will not make accurate Turbo measurements until
they are calibrated for Turbo mode, as described below.

Reagent Flow Rates

Operating in Turbo mode requires a change to the reagent flow rates. The Autoreagent function
cannot be used in Turbo mode.
The reagent flow rates for Turbo mode should be set as follows:
Acid = 2.0 µL/min
Oxidizer = 2.0 µL/min

Performing a Turbo Calibration

Calibration for Analyzers running in Turbo mode is different from basic calibration. Because of the
increased volume of standards required for Turbo calibration, the IOS System is not used, and
instead standards are sampled directly from the 250 mL containers provided by GE Analytical
Instruments. In addition, only a single-point calibration is performed. The Analyzer must be in Turbo
mode to perform the calibration.
To calibrate an Analyzer in Turbo mode, follow these steps:
1. If the Analyzer is taking measurements, press the Stop Analysis button.
2. If you have an ICR unit, place the lever into the Bypass position.
3. Press the Menu button and then press the Consumables button.
4. Press the Flush button and then Flush Both button.
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