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JENCO INSTRUMENTS was established more than 40 years ago on the idea that innovative water quality instruments should be available at competitive prices and their mission is to bring innovation to anyone who works with analytical instruments.

Since the launching of the world's first portable digital pH meter in 1975, Jenco Instruments has continued to focus only on building water quality instruments for measuring pH, ORP, conductivity, TDS, salinity, resistivity, dissolved oxygen, ion, turbidity and temperature. 

This single minded-focus is combined with Jenco's obsession with finding the best balance between quality and value - whether it is the simplest testers or the most advanced, gesture-operated, WIFI-enabled benchtop meters.   

Dissolved Oxygen/Temp Benchtop Meter


Dissolved Oxygen/Temp Benchtop Meter


Features :
  • Clear, large LCD display (4 1/8 x 3 1/16 in.)
  • Clear LCD displays D.O. as percent air saturation or D.O. as parts per thousand, simultaneously with temperature
  • Manual or automatic temperature compensated (ATC) D.O. readings
  • User selectable salinity and pressure compensated D.O. readings
  • Works with accurate and reliable polarographic D.O. probes
  • Convenient one point calibration for D.O. calibration data is stored in memory and is ready for use on power up
  • Automatic lock mode and end point sensing are available to lock in stable readings
  • Intuitive operation with membrane keypad with tactile and audio feedback
  • Splash resistant case is made with durable, reinforced plastic for added protection. Protective covers for connectors are included
  • Large LCD is offset for improved protection against unintentional damage
  • Smaller case does not clutter valuable desk space
  • RS-232 computer interface.
  • 8pin DIN connector for D.O. and thermistor
  • AC adaptor or battery power (low battery indicator)


Range :

Dissolved Oxygen (%) : 0.0~200.0%
Dissolved Oxygen (ppm) : 0.00~20.00ppm
Temperature : -6.0~46.0°C

Resolution :

Dissolved Oxygen (%) : 0.1%
Dissolved Oxygen (ppm) : 0.01ppm
Temperature : 0.1°C

Accuracy :

Dissolved Oxygen (%) : ±0.2%FS
Dissolved Oxygen (ppm) : ±0.2%FS
Temperature : ±0.3°C

Salinity Compensation : Manual 0.0 to 40.0ppt, default is 0.0ppt
Pressure Compensation : Manual 600 to 1100mBar, default is 1013mBar
Temperature Compensation : Auto -6.0~46.0°C
Sensor Type : Polarographic
RS232 : 9173R only
Power : 6 x 1.5V AA batteries or 115 / 230V AC adapter
Operating Ambient Conditions : From 0~50°C, at 90%RH
Weight / Dimensions (W x D x H) : 650 grams (including batteries) / 165mm x 230mm x 80mm

Accessories :

LD-900-7 : Watertight dissolved oxygen parts
LD-900-3A : Membrane kit
6007D115 : 115V AC adapter
6007D230 : 230V AC adapter
007N : Electrode holder arm  


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