Ascorbic Acid Method
Easier to use and more accurate than chemical
test kits
Adaptation of Standard Method Ascorbic Acid
Accuracy ±5% of reading ±10 ppb
1 ppb resolution (200 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 64 g (2.25 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
SHOWN ACTUAL SIZE
ACCURATE AND AFFORDABLE PHOSPHORUS ULR MEASUREMENT
Phosphorous (as phosphate) can be introduced to
aquaria through feed, decaying plant and animal
waste, and even tap water, so it can quickly become so
abundant that it becomes a nuisance. Phosphate is a
driving factor in excess algae growth, so it is important
to keep levels as close to zero as possible.
The HANN A HI 736 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 736 Checker®HC is accurate
and affordable.
This Checker®HC features an accuracy of ±5% of
reading and uses an adaptation of Standard Method
Ascorbic Acid.
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 736 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 736 Checker®HC, press the button and read the
results. It’s that easy.
WE DESIGN, MANUFACTURE, SUPPLY AND SUPPORT
ALL OF OUR PRODUCTS.
THAT’S 360° VALUE
Over the past 30 years, HANNA has never failed to design fresh and innovative products. The new
Checker®HC’s are no exception. We are excited to introduce such high accuracy and ease of use in a
small, modern design that fits in the palm of your hand.
HANNA is the largest family-owned manufacturer of analytical instrumentation in the world. The
new series of Checker®HC’s are manufactured in our European state-of-the-art ISO 9001:2000
production facility. Each Checker®HC is CE compliant to EN 61326-1 and EN 61010-1 standards.
When you buy a HANNA product, you’re not only buying the best value for your money, but you’re
also adding the benefit of HANNA’s unsurpassed customer service and post-sale technical support.
IT’S EASY TO MEASURE SAMPLES WITH THE CHECKER®HC
“Zero” the Checker®HC with your
unreacted water sample
Add reagent to your water sample Press the button and read the results.
Place the vial into your Checker®HC
it’s that easy!
HIGH ACCURACY, AFFORDABLE PRICE
SPECIFICATIONS HI 736 (Phosphorus ULR)
Range
Resolution
Accuracy
Light Source
Light Detector
Environment
Battery Type
Auto-off
Dimensions
Weight
Method
0 to 50°C (32 to 122°F); RH max 95% non-condensing
81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Adaptation of Standard Method Ascorbic Acid.
0 to 200 ppb
1 ppb
±5% of reading ±10 ppb @ 25ºC
LED @ 525 nm
Silicon photocell
(1) 1.5V AAA
After 3 minutes of non-use
64 g (2.25 oz.)
ORDERING INFORMATION
HI 736 Checker®HC is supplied with (2) sample
cuvette s wit h cap s, (6 ) powde r rea gents for
phosphorus, (1) 1.5V AAA battery and instructions.
REAGENTS AND STANDARDS
HI 736-25 Reagents for 25 tests
(phosphorus)
HI 736-11 Calibration standard kit
(0 and 100 ppb phosphorus)
ACCESSORIES
HI 731318 (4) Cuvette cleaning cloth
HI 731321 (4) Glass cuvettes
HI 731225 (4) Caps for cuvettes
HI 93703-50 Cuvette cleaning solution,
230 mL
SHOWN ACTUAL SIZE
P/L CHECKERHC_HI736_INC 1.0 PRINTED IN USA
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