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6700 Portable Sampler User Manual - Isco

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45<br />

Communications test<br />

TEST YSI 600<br />

COMMUNICATIONS?<br />

YES NO<br />

<strong>6700</strong> SAMPLERS<br />

94<br />

YSI 600 SONDE SETUP<br />

When you attach a sonde to the sampler, you must configure the<br />

sampler’s hardware setup. The YSI 600 setup and calibration<br />

screens follow the rain gauge setup screens. You can configure the<br />

sampler for any or all of the YSI 600 readings: pH, Dissolved Oxygen,<br />

Conductivity, and Temperature. The conductivity readings<br />

represent one of the following:<br />

• Specific Conductance in mS/cm (millisiemens/centimeter)<br />

(Requires a specific conductance temperature coefficient)<br />

Salinity in parts-per-thousand<br />

Total Dissolved Solids (T.D.S.) in grams/liter<br />

(Requires a T.D.S. scale factor)<br />

Conductivity in mS/cm<br />

The YSI 600 setup screens are shown in Extended Programming:<br />

YSI 600 Screens on page 131. Consult the YSI 600 manual for specific<br />

conductance temperature coefficients and T.D.S. scale factors.<br />

When connecting to the sonde, the <strong>6700</strong> sampler will check the<br />

software version of the sonde. If the sampler finds an incompatible<br />

version, it reports “INCOMPATIBLE SONDE SOFTWARE!<br />

UPGRADE TO VERSION 2.11 OR NEWER.” Contact the factory<br />

or your representative if your sonde requires a software upgrade.<br />

YSI 600 Sonde Communications Test<br />

The “TEST YSI 600 COMMUNICATIONS?” screen appears during<br />

the YSI 600 Hardware Setup if the <strong>6700</strong> has not successfully<br />

communicated with the Sonde.<br />

If you answer YES, the sampler evaluates the communications<br />

link with the sonde and then sets the YSI 600 data transfer protocol.<br />

It is important that you allow the sampler to complete the<br />

test; damage to the YSI 600 Sonde could result if power is interrupted<br />

during the communications test.<br />

WARNING!<br />

DO NOT REMOVE<br />

46 YSI 600 POWER<br />

. . . TESTING<br />

YSI 600 Sonde Calibration<br />

The YSI 600 Sonde requires initial and periodic calibration.<br />

Table 11 lists the supported calibration methods. Refer to the<br />

YSI 600 Sonde <strong>Manual</strong> for calibration procedures. The <strong>6700</strong> also<br />

can support the YSI 6820 and 600XL Sondes when the program<br />

option is enabled. Refer to Chapter 6 for more information about<br />

the additional YSI sondes, and to Figure 46 for the menu charts.<br />

Table 11 Supported YSI Calibration Methods<br />

pH Two-Point Calibration<br />

• pH 4 and 7 Buffers<br />

PH 7 and 10 Buffers<br />

Three-Point Calibration<br />

pH 4, 7 and 10 Buffers<br />

Dissolved Oxygen D.O. Standard Solution<br />

Altitude<br />

Barometric Pressure<br />

Conductivity KCl (potassium chloride) Standard Solution<br />

Temperature No Calibration Required

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