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Information Sheet

Due to continuing product development this information is subject to change without notice. In-Situ, the In-Situ logo, and TROLL are trademarks or reg-

1 800 446 7488

(toll-free, US and Canada) or 970 498 1500 www.in-situ.com

Multi-Parameter

Water Quality

TROLL

NOSE CONE STIRRER

Catalog No. 42210

APPLICATION

Battery-powered magnetic stirrer provides continuous agitation of sample during

calibration or deployment in slow-moving or stagnant water. Attaches to the front

end of the MP TROLL in place of the nose cone, or to the Calibration Cup. Elimi-

nates potential sensor cross-contamination and increases the rate of flow through

the restrictor. Guard plate retains stir bar in fast-moving water and protects it from

debris.

PHYSICAL DESCRIPTION

Wetted materials Delrin

, Teflon

Dimensions 4.6 cm (1.8 in) dia. x 19 cm (7.5 in) long

Weight 0.575 kg (1.3 lb), with batteries

Operating voltage 1.5 - 9.0 V, nominal 3 V

Motor speed 950 rpm at free load, 350-430 operating rpm

Stall torque 32 g-cm

Current 0.052 amps

Output 0.073 watts

Stir bar Teflon-coated, magnetic, 7.9 mm (5/16 in) dia. x

25.4 mm (1 in) long with moldring

Battery type 2 standard alkaline D-cells

Est. battery life 3 months continuous operation

Pressure rating 150 psi

CONNECTIONS

The threads at the stir bar end attach to the restrictor at the front end of the MP

TROLL (nose cone removed), or to the Cal Cup.

GUIDELINES AND PRECAUTIONS

• To activate the stirrer, tighten the end cap about ¼ turn. This starts the motor;

the stir bar will begin to spin. To stop the motor, back off the cap until the stir bar

stops spinning.

• Replace batteries with 2 standard alkaline D-cells, – toward the end cap,

+ toward the stir bar compartment.

• When attaching to the restrictor or Cal Cup, be careful not to over-tighten.

• The stir bar guard may be removed for cleaning when necessary. Insert the

sensor removal tool into the center rings and pop the guard out.

• Inspect o-rings regularly; replace if they show evidence of wear or damage (o-

rings & lubricant available from In-Situ Inc. or your distributor).

0042215 rev. 001 09/05

o-rings

o-ring

Stirrer

Stir bar compartment

Battery

compartment

Motor compartment

(sealed)

End cap

OFF ↔ ON

Body

Restrictor

Stirrer

Cal Cup

Body

Stirrer

NOSE CONE STIRRER 1

Sommario

Pagina 1 - NOSE CONE STIRRER

Information SheetDue to continuing product development this information is subject to change without notice. In-Situ, the In-Situ logo, and TROLL are

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