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เครื่องโฟโตมิเตอร์-โครเมี่ยม (Hexavalent Chromium Photometer 0-1000 µg/L)

HI 93723

Hexavalent Chromium Photometer with 555 nm LED

          At normal temperatures chromium is corrosion-resistant. For this reason, it plays an important role in the plating industry as well as cooling towers.

In addition, it has certain qualities that make it useful in the production processes of the textile industry.

Hexavalent chromium is the most common form in which the metal is used, however, being highly toxic it needs to be continuously monitored in industrial wastes.

HI 93723 and HI 93749 are the ideal meters to perform accurate and quick measurements of chromium concentrations within the ranges of 0 to 1000 µg/L and 0 to 300 µg/L, respectively.

They are supplied with cuvets and caps. Choose from packages of 100 or 300 reagents listed below for your everyday use.

Order Information:
HI 93723 is supplied with 2 cuvets, battery and instructions.


Range   0 to 1000 µg/L
Resolution   1 µg/L
Accuracy   ±5 µg/L ±4% of reading
Light Source   LED 555 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 ASTM Manual of Water and Environmental Technology,
D1687-92, diphenylcarbohyzide method. The reaction between
Cr VI and reagents causes a purple tint in the sample.


HI 710009 Shockproof Boot, Blue
HI 710010 Shockproof Boot, Orange
HI 731318 Tissue for Wiping Cuvets
HI 731321 Glass Cuvet for HI 937xx & HI 832xx Series Meters
Reagents & Standards
HI 93723-01 Chromium VI HR, Diphenylcarbohydrazide Method (100 Tests)
HI 93723-03 Chromium VI HR, Diphenylcarbohydrazide Method (300 Tests)
HI 93749-01 Chromium VI LR, Diphenylcarbohydrazide Method (100 Tests)
HI 93749-03 Chromium VI LR, Diphenylcarbohydrazide Method (300 Tests)


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