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DO stands for Dissolved Oxygen, which is the measure of amount of gaseous oxygen dissolved in a solution. In theory, the amount of DO in a solution is dependent on 3 factors, namely temperature, salinity and atmospheric pressure. The measurement of DO requires a special DO electrode that is made up of an anode, a cathode, electrolyte solution and a gas permeable membrane.

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Economy Handhelds
Standard Handhelds
Waterproof Handhelds
Bench Meters
Process Instruments
Process Electrodes
Laboratory Electrodes

Economy Handhelds

Model
Meter
Highlights
Parameter
Range
Memory

Economical DO meter

DO / C

0.00 to
19.99 mg/l or ppm

No

Economical DO Meter

DO / C

0.00 to
19.99 mg/l or ppm

No

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Standard Handhelds

Model
Meter Highlights
Parameter
Range
Memory

Standard Portable

DO / C / F

0.00 to
19.99 mg/l or ppm

100 data sets

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Waterproof Handhelds

Model
Meter
Highlights
Parameter
Range
Memory

Mega-Memory,
Waterproof,
Back-lit Multi-data Display

DO/C/F

0.00 to 90 mg/L or ppm; 0 to 600% saturation of oxygen

500 data sets

Waterproof
Handheld

DO/°C/°F

0 to 20 ppm/mg/L;
0 to 200 %

500 data sets

Waterproof,
Back-lit Display

DO/C /F

0.00 to
19.99 mg/l or ppm

50 data sets

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Economy / Deluxe Bench

Model
Meter
Highlights
Parameter
Range
Memory

Large LCD with
dual display economy meter

Dissolved Oxygen/ºC/ºF

0 to 30 mg/L

100 data sets

Graphic LCD with backlight & extensive display

Dissolved Oxygen/
BOD/C/F


0 to 19.99 mg/L ;
50.0 mg/L


500 data sets

CyberScan
DO 1500

[ DISCONTINUED ]

Self-stirring BOD
Probe Compatible

DO/C/F

0 to 60 mg/l
or ppm

100 data sets


CyberScan
DO 6000

[ DISCONTINUED ]


Windows
CE-driven, BOD,OUR and SOUR Measurement, Colour Touchscreen


DO/BOD/OUR/ SOUR/C/F

0 to 60 mg/l
or ppm

10,000 data sets

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Process Instruments

Model
Meter
Highlights
Parameter
Range
Controller Functions


Alpha DO 500
[ DISCONTINUED ]


1/4 DIN LCD Transmitter

DO/C/F

0.00 to 19.99 mg/l or
0.00 to 19.99 ppm
[ DISCONTINUED ]

1/4 DIN Panel Mount
2 Set Points, 1 Alarm Relay

DO/C/F

0.00 to 20.00 mg/I or
0.0 to 200.0 % Saturation

Limit or Proportional Control (Pulse Length or Pulse Frequency)

1/2 DIN Wall Mount
2 Set Points,
1 Alarm and
Wash Relay

DO/C/F


0.00 to 25.00 mg/l or
0.0 to 300.0% Saturation


Limit, Proportional or Proportional Integral Control (Pulse Length or Pulse Frequency)

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Process Electrodes

Model
Dissolved
Oxygen
Range
Operating
Temperature
Pressure
Rating
Type

0.50 to 20 ppm

0 to 50 ºC /
32 to 122 ºF

6 bar
(87 psi)

Galvanic

0.03 to 20 ppm

0 to 50 ºC /
32 to 122 ºF

6 bar
(87 psi)

Galvanic

0.04 ppm to saturation

0 to 60 ºC /
32 to 140 ºF

4 bar
(58 psi)

Amperometric

0.01 ppm to saturation

0 to 130 ºC /
32 to 248ºF

4 bar
(58 psi)

Amperometric

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Laboratory Electrodes

Model
DO
Range
Temperature Range
Sensor
Type
Minimum
Sample Flow

0 to 20 mg/L

0 to 50 °C

Galvanic

2 inch / sec

0 to 20 mg/L

0 to 50 °C

Galvanic

2 inch / sec

0 to 20 mg/L

0 to 50 °C

Galvanic

2 inch / sec

0 to 20 mg/L

15 to 35 °C

BOD
amperometric

Self-stirring

0 to 20 mg/L

0 to 50 °C

Galvanic

2 inch / sec

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