HI-749 Chromium VI Low Range Handheld Colorimeter, Checker HC

Ideal for water quality testing (not suitable for cold water aquarium or salt water marine tanks)

The HI-749 Checker 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.

Features:

• Small palm-sized design
• Accurate from ±2 ppb ±4% 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
• Plating
• Environmental

Order Information:

The HI-749 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (6 packets of chromium VI LR reagent - re-ordering information HI-749-25 x 25 tests), 1 x 1.5V AAA battery, and an instruction manual.

Also available: Calibration set HI-749-11.

Four steps. One click. Instant Readout.

 1. ‘Zero’ the Checker®HC with your vial & water sample inside

  2. Take the vial out and add your reagent

 3. Place your vial into your Checker®HC

  4. Press the button and read the results

Use HI-749-25 Reagents with the Chromium VI LR Handheld Colorimeter - Checker®HC x 25 tests.

Use HI-749-11 Calibration Check Set with the Chromium VI LR Handheld Colorimeter - Checker®HC.