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6700 Portable Sampler User Manual - Isco

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SAMPLE DELIVERY SYSTEM FEATURES<br />

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

Table 1: <strong>6700</strong> Standard and Compact <strong>Sampler</strong> Features<br />

Peristaltic Pump Benefits: Liquid moves continuously under pumped flow. The pump has no<br />

metering chambers or gravity fed internal tubing to trap sediment or residual<br />

liquid. Sample liquid contacts only the strainer, suction line, tube coupling, pump<br />

tube, bulkhead fitting, and sample bottles.<br />

LD90 Liquid Detector Nonwetted Detection: Sample liquid never touches the detector.<br />

Two Line Purges in Sampling<br />

Cycle<br />

The sampling cycle always includes a presample purge and postsample purge<br />

that clears the suction line of residual liquid.<br />

Easy Grab Samples Simply disconnect the pump tube from the bulkhead fitting on the center<br />

section, and place the pump tube over your sample container.<br />

See Grab Samples on page 70.<br />

Vinyl and Teflon ®<br />

Suction Lines<br />

STANDARD PROGRAMMING FEATURES<br />

3 /8-inch ID (Inside Diameter) vinyl line.<br />

3 /8-inch ID Teflon ® lined with polyethylene jacket.<br />

Pacing Uniform Time Pacing: Sampling at regular time intervals.<br />

Flow Pacing: Sampling at regular flow-volume intervals.<br />

See Pacing on page 82.<br />

Distribution Methods Composite: Samples deposited in a single large bottle.<br />

Sequential: Only one sample placed in each bottle.<br />

Samples Per Bottle: Multiple samples placed in each bottle.<br />

Bottles Per Sample: One sample deposited in multiple bottles.<br />

See Distribution on page 84.<br />

Three Flexible<br />

Start-Time Settings<br />

Option for a Continuous<br />

Running Program<br />

EXTENDED PROGRAMMING FEATURES<br />

Start Immediately: Starts the sampling program immediately.<br />

Delayed Start: Starts the sampling program after a user-definable delay of<br />

1 to 999 minutes.<br />

Clock Time: Starts the sampling program at a user-definable time on one<br />

or more days of the week.<br />

See Start Times on page 89.<br />

Continuous Sampling: When sample bottles are regularly replaced, the<br />

sample distribution can restart with the first bottle set after the last bottle<br />

set is filled, without interrupting the running program.<br />

See Distribution on page 84.<br />

Pacing Uniform Time Pacing: Sampling at regular time intervals.<br />

Nonuniform Time Pacing: Sampling at irregular time intervals.<br />

Random Interval Pacing: Sampling at unique random time intervals<br />

generated by the controller.<br />

Flow Pacing: Sampling at regular flow-volume intervals.<br />

Event Pacing: Sampling each time a user-definable event occurs.<br />

See Pacing on page 82.<br />

5

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