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Extech 407510: Heavy Duty Dissolved Oxygen Meter with PC interface

Dual display of Oxygen concentration and Temperature

407510 is a Heavy Duty Dissolved Oxygen Meter with PC interface. 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.



  • Measures dissolved oxygen, oxygen, plus temperature
  • Min/Max/Avg, Data Hold and Auto power off
  • Automatic Temperature Compensation
  • Super large 1.4″ (36mm) LCD display
  • Built-in RS-232 PC interface with optional Data Acquisition Software and Datalogger


Specifications Dissolved Oxygen Oxygen Temperature
Range 0 to 19.9mg/L 0 to 100.0% 32 to 122°F (0 to 50°C)
Accuracy ±0.4mg/L ±0.7% ±1.5°F/ ±0.8°C
Probe Compensation & Adjustment Salt: 0 to 39% Altitude 0 to 3900m Temp: 0 to 50°C
Dimensions/ Weight Meter: 7x3x1.3″ (178x74x33mm); Probe: 0.8Dx4.9″L
Weight 17oz (482g)


  • 407510 – Heavy Duty Dissolved Oxygen Meter with PC interface


407510 English Datasheet

407510 English User’s Manual