Extech ExStik II DO/pH/Conductivity Kit
Features
- Meters are IP57 waterproof
- Memory stores up to 25 labeled readings
- Self calibration on power up
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The Extech ExStik II DO/pH/Conductivity Kit measures dissolved oxygen, pH, conductivity, TDS, salinity and temperature. The kit includes an EC500 pH/Conductivity ExStick meter with a combination high-accuracy, multi-ranging conductivity sensor and DO600 Dissolved Oxygen ExStik II meter with electrode, replacement membrane cap, and electrolyte.
Applications
The meters are waterproof to IP57 standards. This kit is ideal for water, wastewater, groundwater, aquaculture, and fisheries professionals.
Includes
- Sample pH buffers - Single-use pouches for pH4, pH7, pH10, and rinse solution.
- Weighted base with 2 cups and caps, four batteries, neckstrap for each meter, and carrying case.
- TDS/salinity range: 0 to 99.9ppm (mg/L), 100 to 999ppm (mg/L) 1.0 to 9.99ppt (g/L)
- pH range: 0.00 to 14.00pH
- Dissolved oxygen (saturation mode) range: 0 to 200.0%
- Dissolved oxygen (concentration mode) range: 0 to 20.00ppm (mg/L)
- pH temperature range: 23 to 194°F (-5 to 90°C)
- Conductivity temperature range: 23 to 194°F (-5 to 90°C)
- Dissolved oxygen temperature range: 32 to 122°F (0 to 50°C)
- Dissolved oxygen (concentration mode): 0 to 20.00ppm (mg/L)
- Automatic temperature compensation: yes
- Maximum resolution: DO600: 0.1%, 0.01ppm (mg/L), EC500: 0.1µS, 0.01ppm (mg/L)
- Basic accuracy: DO600: ±2.0%FS, 0.4ppm (mg/L) ±1.8°F/1°C, EC500: ±2.0%FS, 0.01pH), ±1.8°F/1°C
- Dimensions: 9.5 x 6.8 x 2.8” (241 x 173 x 71mm)
- Weight: 1.56 lbs. (708g)
- (1) EC500 pH/Conductivity ExStik II meter
- (1) Multi-ranging Conductivity sensor
- (1) DO600 Dissolved Oxygen ExStik II meter
- (1) DO electrode
- (1) Replacement membrane cap with electrolyte
- (3) Conductivity standards
- (1) pH 4.00 buffer pouch
- (1) pH 7.00 buffer pouch
- (1) pH 10.00 buffer pouch
- (1) Rinse solution pouch
- (1) Weighted base
- (3) Plastic cups with caps
- (4) 3V CR-2032 batteries
- (2) Neckstraps
- (1) Carrying case
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In The News
Ocean acidification: University of Washington's giant plastic bags help control research conditions
With oceans becoming more acidic worldwide, scientists are getting creative in designing experiments to study them. For example, one group at the University of Washington is using giant plastic bags to study ocean acidification. Each bag holds about 3,000 liters of seawater and sits in a cylinder-like cage for stability. The group at UW, made up of professors and students, is controlling carbon dioxide levels in the bags over a nearly three-week period, during which they are looking at the effects of increased acidity on organisms living near the San Juan Islands. “These mesocosms are a way to do a traditional experiment you might do in a lab or classroom,” said Jim Murray, professor of oceanography at the University of Washington.
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NOAA Alaska buoy network to monitor North Pacific ocean acidification
National Oceanic and Atmospheric Administration scientists detected signs of ocean acidification in the waters that hold the vulnerable and valuable fisheries of the North Pacific off the coast of Alaska, but they only had a snapshot of the action. “We know that in this place were important commercial and subsistence fisheries that could be at risk from ocean acidification,” said Jeremy Mathis, a NOAA Pacific Marine Environmental Laboratory researcher and professor at the University of Alaska Fairbanks. To understand how ocean acidification affects the North Pacific, NOAA scientists created a mooring network that collects constant in situ data on parameters contributing to acidification. They hope it will reveal seasonal trends and patterns left out by their snapshots.
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What is Conductivity?
UPDATE : Fondriest Environmental is offering their expertise in conductivity through their new online knowledge base. This resource provides an updated and comprehensive look at conductivity and why it is important to water quality. To learn more, check out: Conductivity, Salinity and TDS. Salinity and conductivity measure the water's ability to conduct electricity, which provides a measure of what is dissolved in water. In the SWMP data, a higher conductivity value indicates that there are more chemicals dissolved in the water. Conductivity measures the water's ability to conduct electricity. It is the opposite of resistance. Pure, distilled water is a poor conductor of electricity.
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