Extech
Handheld test & measurement instruments — humidity, temperature, water quality, power, and more
Extech Dissolved Oxygen
9 products across 8 product families
2 modelsDO600 ExStik II Dissolved Oxygen Meter
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407510 Heavy Duty Dissolved Oxygen Mtr Kit w/13' Cbl
Recall Min, Max and Average readings. Featuring Data Hold and a Built-in RS-232 PC serial interface with optional data acquisition software and data logger. Auto power off saves battery life. DO measurements from 0 to 20.0 mg/L. Complete with 0.8" (20mm) diameter probe on 13ft (4m) cable, 5 membranes, rubber holster, 9V battery and hard case.

DO210 Compact Handheld Dissolved Oxygen Meter
The DO210 is a Dissolved Oxygen Meter which measures DO from 0 to 20.0mg/L, Oxygen Percent from 0 to 100.0% and Temperature with ATC. This meter features Adjustable Altitude and Salinity Compensation as well as min, max and data hold functions. Complete with DO probe with membrane and 39" (1m) cable, two spare replacement membranes, electrolyte, 9V battery and soft case.

DO700 pH/mV/Temp/Cond/TDS/DO Meter
The 9-in-1 DO700 Kit measures DO concentration/saturation, pH, mV, Temperature, Conductivity, TDS, Salinity, and Resistivity. It features automatic salinity compensation and manual barometric pressure compensation for DO measurements. In addition, it has automatic one button calibration of 4, 7 and 10 pH with a choice of three-point calibration for better accuracy and it provides automatic temperature compensation. Complete with DO probe, pH/mV/Temp electrode, polymer Conductivity cell, pH and Conductivity calibration solutions, batteries and hard carrying case.

SDL150 Dissolved Oxygen Meter SD Logger
The Extech SDL150 records data on an SD card in Excel format. It has a dual backlit display of oxygen concentration and temperature. It measures dissolved oxygen from 0 mg/L to 20.0 mg/L and 0% to 100.0% oxygen, plus temperature from 0°C to 50°C (32 to 122°F). Includes automatic temperature compensation from 0°C to 50°C via temperature probe sensor built into polarographic type oxygen probe. Offset adjustment used for zero function to make relative measurements. The SDL150 stores 99 readings manually and 20M readings via a 2G SD card. User programmable sampling rate. It has a built-in PC interface, min/max and data hold functions, and an auto power off. Complete with 6 x AA batteries, SD card, probe, two spare replacement membranes, electrolyte, and hard carrying case.
Accessories & Parts

DO603 Replacement Membrane Kit for DO600 & DO605
The Extech DO603 is a replacement screw-on membrane kit for the Dissolved Oxygen sensor (DO605) of a DO600 meter.

DO605 DO Module for DO600
Replacement dissolved oxygen sensor for ExStik DO meter

DO701 Replacement Optical DO Probe with Protective Cap for EC700
Measure DO between 0.0 and 199.9%. Color coded for easy identification and installation. Lasts more than 1 year with typical usage and regular maintenance.
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