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เครื่องโฟโตมิเตอร์-ไฮดราซีน (Hydrazine Photometer 0- 400 µg/L)

HI 93704

Hydrazine Photometer with 470 nm LED

          Hydrazine is a liquid chemical substance normally used in high pressure heating plants because of its properties as an oxygen inhibitor. It is added to avoid scaling and corrosion in the plant itself.

Hydrazine reacts with dissolved oxygen to yield nitrogen and water, so that hydrazine has the advantage over the sulfite treatment because it does not produce any dissolved solids in the boiled water.

Hydrazine is also used in tanks, because it controls the growth of bacteria.

High concentrations of hydrazine can create a reaction with ammonia, which may result in damage to parts made of copper.

Determination of hydrazine contents in water has been made easier by HANNA® with the HI 93704, a microprocessor-based meter that provides quick and accurate measurements.

Order Information:
HI 93704 is supplied with 2 cuvets, battery and instructions.


Range   0 to 400 µg/L
Resolution   1 µg/L
Accuracy   ±3% F.S.
Light Source   LED 470 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 Manual of Water and Environmental Technology,
D1385-88 Dimethylaminobenzaldehyde method for natural and treated water.
The reaction between hydrazine and the liquid reagent causes a yellow 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 93704-01 Hydrazine (100 Tests)
HI 93704-03 Hydrazine (300 Tests)


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