Skc 224-PCXR8 Universal Pump User Manual download pdf (Page 8)

De-activating the Regulator

To ensure the pump is set for high ﬂ ow,

remove the cap screw (Figure 1, #18)

covering the regulator valve and turn the

exposed screw clockwise until it stops.

(Do not overtighten.)

Replace the cap screw. The pump is

now set for high ﬂ ow.

Setting or Verifying Flow Rate

Before use, allow pump to equilibrate after moving it from one temperature

extreme to another.

Ensure pump has run for

ﬁ ve minutes before pro-

ceeding with calibration.

Using 1/4-inch Tygon

tubing, connect the sam-

pling medium to the pump

intake (Figure 1, #13).

Remove the tamper-resis-

tant cover. Start the pump

using the On/Off switch

(Figure 1, #8). Press Start/Hold

(Figure 1, #3). Press Flow and Battery Check (Figure 1, #2). Ad-

just the ﬂ ow using the ﬂ ow adjustment screw (Figure 1, #11) until

the built-in rotameter reads 2 L/min. The LCD should indicate

BATT OK in the upper left corner (if it doesn’t, recharge the bat-

tery). Press Flow and Battery Check to place the pump in Hold.

Connect a calibrator to the intake of the sampling medium.

Press Flow and Battery Check to start the pump, and set the ﬂ ow

rate using the ﬂ ow adjustment control (Figure 1, #11).

When the ﬂ ow rate is set, press Flow and Battery Check to place

the pump in Hold. Disconnect the calibrator.

Replace the sampling medium used for calibration with an

unexposed medium for sample collection.

Calibration train with

ﬁ lter cassette

Flow

adjustment

control

On/Off

switch

Tubing

Calibrator

Sample

media

For high ﬂ ow,

turn valve screw clockwise.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 29 30

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Skc 224-PCXR8 Universal Pump User Manual Page 8

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