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เครื่องโฟโตมิเตอร์-ไนไตรท์ (Nitrite Photometer 0-150 mg/L)

HI 93708

Nitrite Photometer with 585 nm LED

          Nitrites are an intermediate product in the nitrogen cycle and are produced ammonia oxidation with water, or even originate in industrial waste directly. They must not be present in drinking water.

Nitrites can be harmful to aquatic organisms even in low concentrations and for this reason, they are closely monitored in aquaculture facilities. In cooling towers, however, an adequate amount of nitrites is necessary to prevent corrosion.

In high concentrations, they can be harmful to the environment and to humans. They are, therefore, normally monitored to verify the quality of water for domestic use, as well as lakes and ponds.

HI 93707 and HI 93708 show the nitrite concentration directly in the 0.00 to 0.35 mg/L and 0 to 150 mg/L ranges, with increments of 0.01 mg/L and 1 mg/L, respectively.

They can also determine sodium nitrite concentrations by simply multiplying the readings by 4.93 (HI 93707) or by 1.5 (HI 93708). With HI 93708 it is also possible to determine nitrogen nitrite concentrations by dividing the readings by 3.29.

Order Information:
HI 93708 is supplied with 2 cuvets, battery and instructions.

Specifications

Range   0 to 150 mg/L
Resolution   1 mg/L
Accuracy   ±4 mg/L ±4% 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 ferrous Sulfate method;
The reaction between nitrite and the reagent
causes a greenish-brown tint in the sample

Solutions

HI 93703-50 Solution for Cleaning Cuvets

Accessories

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 93707-01 Nitrite LR, diazotization method (100 Tests)
HI 93707-03 Nitrite LR, diazotization method (300 Tests)
HI 93708-01 Nitrite HR, ferrous sulphate method (100 Tests)
HI 93708-03 Nitrite HR, ferrous sulphate method (300 Tests)

 

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    โทร. 081-847-6768, 02-191-3928 แฟ็กซ์. 02-191-3929 


    คุณโทณิวัฒน์ 085-811-4779 , คุณนารีรัตน์ 085-814-9653

    E-mail : info@highents.com , IDline: @alltestkit

     

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