081-855-1842
02-541-4199
No products in the cart.
The HI 705 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of silica. Designed as a more accurate alternative to chemical test kits, the HI 705 provides quick, accurate results in four easy steps.
The HI 705 uses an adaptation of the ASTM D859 method of heteropoly blue method. The reaction between silica and reagents causes a blue tint in the sample.
PRIMARY APPLICATIONS:* Water Quality * Education * Environmental * Water Treatment (Boilers/Cooling Towers)
Order Information: The HI 705 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (1 bottle reagent A, 6 packets of reagent B, and 6 packets of reagent C), 1 x 1.5V AAA battery, and an instruction manual.
Product Manuals
Manual: Download
Specification :
| Range | 0.00 to 2.00 ppm | |
| Resolution | 0.01 ppm | |
| Accuracy (@25°C/77°F) | ±0.03ppm ± 5% of reading | |
| Measurement Method | Colorimetric | |
| Light Source | Photodiode @610 nm | |
| Method | Adaptation of the ASTM D859 method of heteropoly blue method | |
| Light Detector | Silicon photocell | |
| Power Supply | Auto off after 10 min. of inactivity | |
| Environment | Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) | |
| Weight | 64 g (2.25 oz.) |
Related products
All Product
฿3,103.00
Range 0 - 200 ppb | ascorbic acid method | Resolution 1 ppb
All Product
฿3,103.00
Range 0:00 to 7:00 g / L | Photometric Method | Resolution 0.01g / L
All Product
฿3,103.00
Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
All Product
฿2,782.00
The HI 764 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 764 Checker®HC, press the button and read the results. It’s that easy.
฿3,103.00
The HI 775 Checker®HC is a simple, accurate, and cost effective way to measure alkalinity. Designed as a more accurate alternative to chemical test kits, the HI 775 provides quick, accurate results in four easy steps.
All Product
฿481.50
Reagents for HI 755 Checker HC ®, 25 Tests
All Product
฿3,103.00
The HANNA HI 770 Checker®HC is accurate and affordable. This portable handheld colorimeter features a resolution of 1 ppm (200 points) and ±2 ppm ±5% of reading accuracy. The contoured style of the HI 770 Checker®HC fit 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 770 Checker®HC is simple to use. First, zero the instrument with your water sample. Next, add the reagents in order, respecting all the indications. Last, place the vial into the Checker®HC, press the operational button for about 3 seconds and the display will show the countdown prior to the measurement or, alternatively, wait for 2 minutes after last reagent adding and press operational button. The Checker®HC displays concentration in ppm of Silica as SiO2. Order Information: HI 770 Checker®HC is supplied with sample cuvettes with caps (2 ea.), powder reagents for 6 tests, battery and instructions.
Out of stock
All Product
฿3,103.00
Range: 0 to 300 ppb. The HI 749 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of chromium VI in fresh water. Designed as a more accurate alternative to chemical test kits, the HI 749 provides quick, accurate results in four easy steps. The HI 749 uses an adaptation of the ASTM Manual of Water and Environmental Technology, D1687-92, Diphenylcarbohydrazide method. The reaction between chromium VI and the reagent causes a purple tint in the sample.