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เครื่องโฟโตมิเตอร์-สังกะสี (Zinc Photometer 0.00- 3.00 mg/L)

HI 93731

Zinc Photometer with 585 nm LED

          Even though zinc is nontoxic to human beings, concentrations above 5 mg/L can cause a bitter, astringent taste.

This level of zinc can result in a milky, iridescent color in alkaline waters and irritate the human digestive system.

Zinc in low quantities, however, is a beneficial and essential element necessary for body growth. In fact, the US drinking water contains an average of 1.33 mg/L of zinc.

Zinc is normally introduced into drinking water through industrial effluents, especially due to dezincification of brass and deterioration of galvanized iron.

In addition to drinking water, zinc is measured in surface finishing, boilers and cooling towers, water conditioning, effluent waters and many other applications.

The HANNA® solution to the measurement of this important parameter is a handy, portable meter that measures zinc from 0 to 3 mg/L in steps of 1/100th of mg/L.

The meter is microprocessor-based to guarantee maximum accuracy and all readings are shown in clear digits on a large LCD.

Order Information:
HI 93731 is supplied with 2 cuvets, battery and instructions.


Range   0.00 to 3.00 mg/L
Resolution   0.01 mg/L
Accuracy   ±0.03 mg/L ±3% of reading
Light Source   LED 585 nm
Light Life   Life of the instrument
Light Detection   Silicon Photocell
Battery Type / Life   1 x 9V / approx. 40 hours of continuous use;
auto-off after 10 minutes of non use
Environment   0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions   180 x 83 x 46 mm (7.1 x 3.3 x 1.8″)
Weight   290 g (10 oz.)
Method   Adaptation of the Standard Methods for the
Examination of Water and Wastewater, 18th ed. The reaction between
zinc and the reagents causes a brownish-green to blue tint in the sample


HI 93703-50 Solution for Cleaning Cuvets


HI 731321 Glass Cuvet for HI 937xx & HI 832xx Series Meters
HI 731325 Cuvet Cap Turbidity Meters & HI 937xx Series Meters
HI 710009 Shockproof Boot, Blue
HI 710010 Shockproof Boot, Orange
HI 731318 Tissue for Wiping Cuvets
Reagents & Standards
HI 93751-01 Sulfate, Turbidimetric Method (100 Tests)
HI 93751-03 Sulfate, Turbidimetric Method (300 Tests)


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