Free quotations · Genuine products · Delivery across Thailand and worldwide

Product code: MX-12312
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.
Prices are quoted, not listed. Add this product to your quote request and we reply with pricing and availability, usually within one business day. No payment, no account, no minimum order.
Prefer to talk? Call +66 99 241 5692, email us or chat on LINE.
The HI721 Checker® HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure iron. Naturally present in water in low concentrations, iron may affect the taste of water, as well as stain both laundry and household appliances. Also an indicator of corrosion, iron is monitored in industrial plants and water cooling and heating systems. Designed as a more accurate alternative to chemical test kits, the HI721 provides quick, accurate results in a few easy steps.
| 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 |
| 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 the EPA Phenantroline method 315 B, for natural and treated waters. |

Hanna
MX-11176
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…