Hach DR/890 Portable Colorimeter P80W and PTFE and polypropylene check

and PTFE and polypropylene check balls

The compressive strength (fc) is established by measuring the hardness (rebound value R) of the concrete surface and with the conversion curves

The DustTrak DRX desktop monitor is a battery-operated

accurate detection of volatile organic compounds (VOCs)

Hach DR/890 Portable Colorimeter P80W and PTFE and polypropylene checkHigh value, high capability field instruments for water quality analysis. Hach DR 800 Series Colorimeters combine ease of use with high testing capability and field readiness. These durable, hand held, filter photometer instruments are designed specifically for the rigors of on site testing, with rugged components and waterproof, dustproof, chemical resistant housings. Depending upon your testing needs, you can select a DR 820, DR 850 or DR 890