Hanna Instruments

Scientific Equipment

HI-761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker®HC

HI-761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker®HC

Hanna HI-761 Total Chlorine Ultra Low Range  Handheld Colorimeter, Checker®HC

HI-761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker®HC

0 to 500 ppb
Ideal for swimming pools
In Stock
£61.20 (exc. VAT) £73.44 (inc. VAT)

Ideal for swimming pools & spas, the HI-761 Checker is a simple, accurate, and cost effective way to measure ultra-low ranges of total chlorine.

Checker®HC is supplied with reagents for 6 tests. Use code HI-761-25 (25 tests) for future purchases.

HI-761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker®HC information

Hanna's extended 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 Checker®HC with your vial inside




2. Place a 10ml water sample into the vial and add your reagent




3. Place your vial into your Checker®HC




4. Press the button and read the results



Battery powered – Allows use away from a power source. Batteries are included with all battery operated products.



Use Reagents HI-761-25 for HI-761 Total Chlorine ULR handheld Colorimeter - Checker®HC, x 25 tests.



Use Calibration Check Set HI-761-11 for HI-761 Total Chlorine ULR handheld Colorimeter - Checker®HC.

Specifications

Specifications list

Specifications

Range 0 to 500 ppb
Resolution 1 ppb
Accuracy (@25°C/77°F) ±5ppb ± 5% of reading
Measurement Method Colorimetric
Light Source LED @525 nm
Light Detector Silicon photocell
Method Adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
Power Supply Battery - 1 x 1.5V AAA
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.)

Product Literature

literature - PDF

Hanna Instruments Literature

Questions & Answers

Got a question to ask? Use this form to submit your question.
Question will be displayed after moderation.
Name* Product Question*
No questions yet?
Don 't be shy, be the first to ask.