อุปกรณ์วัดคลอรีนอิสระ (Checker®HC Handheld Colorimeter – Free Chlorine)
Checker®HC Handheld Colorimeter – Free Chlorine
- Easier to use and more accurate than chemical test kits
EPA approved DPD method
±0.03 ppm ±3% of reading accuracy
0.01 ppm 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
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:
Swimming pools and spas, fruit and vegetable sanitation,
disinfection, drinking water and quality control checks
The HANNA HI 701 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 701 Checker®HC is accurate and affordable.
This Checker®HC portable handheld colorimeter features a resolution of
0.01 ppm and ±0.03 ppm (mg/L) ±3% of reading accuracy. It also uses an EPA approved DPD method.
The contoured style of the 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 701 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 Checker®HC, press the button and read the results. It’s that easy.
HI 701 Checker®HC is supplied with sample cuvettes with caps (2), powder reagents for Free Chlorine (6), battery and instructions.
|Range||0.00 to 2.50 ppm (mg/L)|
|Resolution||0.01 ppm (mg/L)|
|Accuracy @ 25°C||±0.03 ppm ±3% of reading|
|Light Source||LED @ 525 nm|
|Light Detector||Silicon photocell|
|Environment||0 to 50°C (32 to 122°F); RH max 95% non-condensing|
|Battery Type||(1) 1.5V AAA|
|Auto-off||after two minutes of non-use and ten seconds after reading|
|Dimensions||81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)|
|Weight||64 g (2.25 oz.)|
|Method||adaptation of USEPA method 330.5, DPD method|
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