pelagic

🏅🏅🔰
金幣
35
http://www.tbaquatics.com/shop/hanna-instruments-checker-phosphate-photometer-742.html

有人用過嗎? 跟 93713 一樣的準度... 價格只有四分之一..
Salifer 買兩次就比儀器還貴了..


規格表
http://hannainstusa.com/hannachecker.com/manuals/Phosphate.pdf

Hanna 網站上的介紹

Easier to use and more accurate than chemical test kits

Adaptation of Standard Method 4500-P E Accuracy 4% ±0.04 ppm (mg/L) of reading 0.04 ppm (mg/L) resolution (250 points) Large, easy to read digits Auto shut-off

Dedicated to a single parameter

Designed to work with HANNA’s powder reagents Uses 10 mL glass cuvettes.

Small Size, Big Convenience

Weighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket. Use for quick and accurate on the spot analysis.Single button operation: Zero and Measure Operated by a single AAA battery

Ideal for

Natural, waste and drinking waters.

ACCURATE AND AFFORDABLE CHLORINE MEASUREMENT

Orthophosphates are found in natural and waste waters.
They are commonly added to drinking water as a corrosion
inhibitor. The instantaneous analysis of orthophosphate by
colorimetric determination provides rapid results using a
standard analysis technique. The HANNA HI 713 Checker®HC
bridges the gap between simple chemical test kits and
professional instrumentation. Chemical test kits are not
very accurate and only give 5 to 10 points resolution while
professional instrumentation can cost hundreds of dollars
and can be time consuming to calibrate and maintain.

The HANNA HI 713 Checker®HC is accurate and affordable.
The HI 713 Checker®HC portable handheld colorimeter
features a resolution of 0.01 ppm (250 points) and 4% ±0.04
accuracy of reading. The HI 713 Checker® HC uses an
adaptation of Standard Method 4500-P E. The contoured
style of this Checker®HC fits in your palm and pocket
perfectly and the large LCD is easy to read.

The auto shut-off feature assures the battery life will not be
drained if you forget to turn it off. The HI 713 Checker®HC
is extremely simple to use. First, zero the instrument with
your water sample. Next, add the reagent. Last, Place the
vial into the HI 713 Checker®HC, press the button and read
the results. It’s that easy.
 
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