HI761 Total Chlorine Ultra-LowRange Checker® HC

The Hanna Total Chlorine Ultra-Low Range Checker^® bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Professional instrumentation incorporates a light source such as an LED or tungsten lamp with a filter and a light sensing detector to precisely determine ion concentration. Professional instrumentation offers greater resolution and accuracy but can cost hundreds of dollars. The Hanna Total Chlorine Ultra-Low Range Checker^® uses a fixed wavelength LED and silicon photo detector to provide the accuracy of professional instrumentation at the affordable price of a chemical test kit.

• Compact, Portable Design
• Built-in Timer
• One-Button Operation

• Total Chlorine Range	0 to 500 ppb
  Total Chlorine Resolution	1 ppb
  Total Chlorine Accuracy	±5 ppb ±5% of reading
  Chlorine Method	adaptation of USEPA method 330.5, DPD method.
  Photometer/Colorimeter Light Source	LED @ 525 nm
  Photometer/Colorimeter Light Detector	silicon photocell
  Battery Type/Life	(1) 1.5V AAA
  Automatic Shut-Off	after ten minutes of non-use
  Environment	0 to 50°C (32 to 122°F); RH max 95% non-condensing
  Weight	64 g (2.25 oz.)
  Dimensions	81.5mm x 61mm x 37.5mm (3.2″ x 2.4″ x 1.5”)
  Ordering Information	HI761 Checker® is supplied with (2) sample cuvettes with caps, total ULR chlorine reagent starter kit for 6 tests (6 powder reagent packets), battery, instructions and quick start guide.