| Brand | : HANNA instruments |
| SKU Produk | : I03K033SK0151JP1123P12862 |
Rp. 1.300.000,- / Unit
The HANNA HI 721 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 721 Checker®HC is accurate and affordable with immediate results.
The new HI 721 Checker®HC portable handheld colorimeter features a resolution of 0.01 ppm (500 points) and ±0.04 ppm ±2% of reading accuracy. The HI 721 Checker®HC uses an adaptation of Standard Method 315 B.
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 721 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 721 Checker®HC, press the button and read the results. It’s that easy.
| Range | 0.00 to 5.00 ppm (mg/L) |
| Resolution | 0.01 ppm (mg/L) |
| Accuracy | @25°C ±0.04 ppm ±2% 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 three minutes of non-use and ten seconds after reading |
| Method Adaption | EPA Phenantroline method 315 B, for natural and treated waters. |
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