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The WATER PURITY PEN can be helpful to determine possible toxicity in water based fluids. This portable electronic device can quickly and easily show a TDS (Total Dissolved Solids) reference value of the sample being tested on a conductivity basis*.

Features:

• Identifies the quality of drinking water within three seconds
• Tests the degree of secondary pollution in the water dispenser
• Tests the degree of pollution on secondary water supply
• Tests the irons, bacterium and toxic elements in the water quickly
• Waterproof to approximately 9.5 ft (3 m)
• Protective cover with integral pocket clip

Specifications:

• Display:
  • Left column: shows purity data
  • Right column: shows the purity figure
• Accuracy: ±5%
• Response time: < 1 second
• Recovery time: < 2 seconds
• Power supply: pre-installed within the unit (not replaceable); average life expectancy is approximately 3 years
• Operating temperature range: 41° to 122°F (5° to 50 °C)
• Operating humidity range: less than 95% RH
• Dimensions: 5.7" x 0.9" x 0.7" (144 x 22 x 18mm)
• Weight: 0.9oz (24g)

* It does not replace special purpose water quality analysis designed to identify toxins and determine toxicity.