Extech Oyster pH Meter
Features
- Memory function stores and recalls 25 labeled readings
- °C/°F switchable
- Audible beeper to alert user when function is completed
- Free ground shipping
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The Extech Oyster Series pH/mV/Temperature Meter features a large LCD built into the adjustable flip-up cover that displays pH or mV and temperature simultaneously. The microprocessor-based meter has a splash-proof housing and front panel tactile touchpad to slope and calibrate.
Mechanics
The meter measures pH from 0 to 14pH, mV from -999mV to 999mV, and temperature from 32.0°F to 212.0°F (0.0°C to 100.0°C). The memory function stores and recalls up to 25 labeled readings. Self-diagnostics display codes help users troubleshoot electrodes, buffer, and temperature errors. The measurements are automatically or manually temperature compensated, and the meter is calibrated at a 5-point buffer recognition (1.68, 4.00, 7.00, 10.00, 12.45) with adjustable values. An audible beeper will sound when a function is completed.
- pH range: 0.00 to 14.00pH
- pH resolution: 0.01pH
- pH accuracy: 0.02pH
- mV range: 999mV to 999mV
- mV resolution: 1mV
- mV accuracy: 2mV
- Temperature range: 32.0°F to 212.0°F (0.0°C to 100.0°C)
- Temperature resolution: 0.1°
- Temperature accuracy: 0.8°F/0.5°C
- Dimensions: 3.7 x 4.2 x 2" (94 x 107 x 51mm)
- Weight: 12oz (340g)
- (1) Meter
- (1) Neckstrap
- (1) 9V battery
In The News
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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. 
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 “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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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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[caption id="attachment_38996" align="alignnone" width="940"] HRWC volunteers measure stream velocity across a subsection of Woods Creek, a tributary of the Huron River near Belleville, Michigan. Stream velocity measurements can be combined with water level measurements to calculate stream flow and chemical parameter loads.
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