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Fieldmaster® There are 163 products.

Fieldmaster®
We strive to help keep the environment healthy by offering items to high schools and volunteers who are ready, willing and able to help clean up our lakes and rivers - but don't need, and don't have the budget for, professional equipment. Thus was born our Fieldmaster® line of water sampling products – the right choice for schools and volunteers.
  • Salinity Refractometer
    Salinity Refractometer, Fieldmaster®

    Determine the salinity of a solution with only 2-3 drops of liquid. Measure sugar concentration, dissolved serum protein, auto coolant freezing points and battery charge levels. Solid-aluminum construction, rubber gripped body, and automatic temperature compensation. Simple focus adjustments on prism and lens. Resolution: 0.2 %. Range: 0-28%. 1-1/2" diameter, 7" long. Includes: 2 pipettes; calibration screwdriver; plastic case; cleaning cloth;...

    Determine the salinity of a solution with only 2-3 drops of liquid. Measure sugar...

    Determine the salinity of a solution with only 2-3 drops of liquid. Measure sugar concentration, dissolved serum protein, auto coolant freezing points and battery charge levels....

    611-2275

    In Stock

    .
    $171.00
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  • Vacuum Pump, Hand Held with Gauge
    Hand Vacuum Pump With Gauge, Fieldmaster®

    • Gauge reads in both centimeters and inches of mercury • Pumping rate is 15ml per stroke • Fitted with easy vacuum release valve without disconnecting the pump • Fits 3/8” tubing

    • Gauge reads in both centimeters and inches of mercury • Pumping rate is 15ml per...

    • Gauge reads in both centimeters and inches of mercury • Pumping rate is 15ml per stroke • Fitted with easy vacuum release valve without disconnecting the pump • Fits 3/8”...

    611-2365

    In Stock

    .
    $27.50
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  • Petri Dish, Gridded
    Petri Dish,Gridded Sqrs. Pk/10. 7 X 3.5 X 3.5".

    This disposable, sterile, polystyrene dish has 36 small squares, each identified both vertically and horizontally to count and locate specimens. 100 x 100 x 15 mm. Use with ten-sided dice.

    This disposable, sterile, polystyrene dish has 36 small squares, each identified both...

    This disposable, sterile, polystyrene dish has 36 small squares, each identified both vertically and horizontally to count and locate specimens. 100 x 100 x 15 mm. Use with...

    3-182-P10

    In Stock

    .
    $16.95
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  • Vials, Glass, 1 Dram, 3.7 ml, Pk/12
    Glass Vial, 1 Dram, 3.7mL, Pack of 12.

    These glass vials have high quality polyseal caps that resist leakage and evaporation. They come in 12-packs. Image may vary.

    These glass vials have high quality polyseal caps that resist leakage and evaporation....

    These glass vials have high quality polyseal caps that resist leakage and evaporation. They come in 12-packs. Image may vary.

    3-7912-B10

    In Stock

    .
    $8.50
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  • Vials, Glass, 4 Dram, 14.8 ml, Pk/12
    Glass Vial, 4 Drams, 14.8mL, Pack of 12.

    These glass vials have high quality polyseal caps that resist leakage and evaporation. They come in 12-packs. Image may vary.

    These glass vials have high quality polyseal caps that resist leakage and evaporation....

    These glass vials have high quality polyseal caps that resist leakage and evaporation. They come in 12-packs. Image may vary.

    3-7912-B40

    In Stock

    .
    $9.95
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  • Vials, Glass, 5 Dram, 18.5 ml, Pk/12
    Glass Vial, 5 Drams, 18.5mL, pack of 12.

    These glass vials have high quality polyseal caps that resist leakage and evaporation. They come in 12-packs. Image may vary.

    These glass vials have high quality polyseal caps that resist leakage and evaporation....

    These glass vials have high quality polyseal caps that resist leakage and evaporation. They come in 12-packs. Image may vary.

    3-7912-B50

    In Stock

    .
    $11.95
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