Hanna Instruments761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker

Description

The HI-761 Checker is a simple, accurate, and cost effective way to measure ultra-low ranges of total chlorine. Designed as a more accurate alternative to chemical test kits, the HI-761 provides quick, accurate results in four easy steps. The HI-761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample. Features Small palm-sized design Accurate from 5ppb 5% of reading Dedicated to a single parameter Uses a single AAA battery Auto Power Off after 10 minutes in inactivity Built-in timer for timed reaction readings Ideal for: Water Quality Education Water Purification Environmental Order Information: The HI-761 Checker is supplied with 2 cuvettes and caps, reagent starter kit (6 packets for total chlorine ultra-low range - re-ordering information HI-761-25 x 25 tests), 1 x 1.5V AAA battery, and an instruction manual. Also available: Calibration set HI-711-11 Four steps. One click. Instant Readout. 1. ?Zero? the CheckerHC with your vial inside 2. Place a 10ml water sample into the vial and add your reagent 3. Place your vial into your CheckerHC 4. Press the button and read the results