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Free quotations · Genuine products · Delivery across Thailand and worldwide
The HI 707 Checker®HC is a simple, accurate, and cost effective way to measure low ranges of nitrite. Designed as a more accurate alternative to chemical test kits, the HI 707 provides quick, accurate results in four easy steps. The HI 707 uses an adaptation of EPA diazotization method 354.1.
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The HI707 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost effective way to measure nitrite. As an intermediate part of the nitrogen cycle, nitrites are present in a variety of sources, from drinking water to industrial water. Due to the harmful effects to the environment and aquatic life, nitrite levels must be closely monitored. Designed as a more accurate alternative to chemical test kits, the HI707 provides quick, accurate results in a few easy steps.
| Range | 0 to 600 ppb NO2 -N |
|---|---|
| Resolution | 1 ppb |
| Accuracy (@25°C/77°F) | ±20 ppb ± 5% of reading |
| Measurement Method | Colorimetric |
| Light Source | Photodiode @470 nm |
| Light Detector | Silicon photocell |
| Method | Adaptation of EPA diazotization method 354.1. The reaction between nitrite and the reagent causes a pink tint in the sample. |
| Power Supply | 1 x 1.5V AAA battery |
| Power Auto Off | After 10 min. of inactivity |
| 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.) |
Hanna
HI9829-14/15 is for premium quality 10 ppm and 100 ppm (mg/L) Nitrate (as N) calibration standards. It is produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with…
Hanna
