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			Dissolved Oxygen Portable Meters
				WD-35642-11
				WD-35642-10
				WD-35642-60
				WD-35640-22
				WD-35640-20
				WD-35640-64
				WD-35641-01
				WD-35641-00
				WD-35632-02
				WD-35632-00
				WD-35632-60
				WD-35441-02
				WD-35441-00
				WD-35441-70
				WD-35432-02
				WD-35432-00
				WD-35432-70
				WD-35433-02
				WD-35433-00
				WD-35433-70
				WD-35434-02
				WD-35434-00
				WD-35434-70
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	Product Specials

Dissolved Oxygen Portable Meters

Dissolved Oxygen DO (Redox) Portable (Handheld) Meters

Dissolved Oxygen DO Portable Meters are manufactured for quality, functionality, and durability. All meters are equipped with an application specific microprocessor, leaving no doubt as to their measurement accuracy. Measure dissolved oxygen in aquatics, wastewater, ground water drinking supplies, etc.

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WD-35642-11

Oakton DO 6 Portable Dissolved Oxygen Meter.
DO Range: 0 to 20, ±0.3 (resolution 0.01)
% saturation Range: 0 to 200%, ±3% (resolution 0.1%)
Temperature Range: -5 to 105°C, ±0.5°C (resolution 0.1°C)
Manual Salinity Compensation 0 to 50ppt
Barometric Pressure Compensation manual, 500 to 1499 mm Hg, 1 mm Hg resolution; manual, 66.6 to 199.9 kPa, 0.1 kPA resolution
The DO 6 work to test water quality in wastewater, surface water, ground water, or drinking water. Additional features are viewing of electrode slope, zero offset, and millivolt values for electrode diagnostics.Uses a galvanic probe (sold separately).
Includes: protective rubber boot and AAA batteries (4).

Price: $227.00

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WD-35642-10

Oakton DO 6 Portable Dissolved Oxygen Meter with Probe.
% saturation Range: 0 to 200.0%, ±1.5% of full scale(resolution 0.1%)
mg/L (ppm) Range: 0.00 to 20.00 mg/L, ±1.5% of full scale(resolution 0.01%)
Temperature Range: -5 to 105.0°C, ±0.5°C(resolution 0.1°C)
ATC: automatic from 0 to 50°C
Six simple buttons allow for freezing readings, toggling between display units and temperature results, setup, calibration, and automatic barometric and salinity compensation after manual parameter inputs.
Includes: DO probe w/ 3ft. cable, electrolyte solution, replacement membrane cap, batteries, and instructions.
View Datasheet

Price: $466.00

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WD-35642-60

Oakton DO 6 Portable Dissolved Oxygen Meter with Kit.
% saturation Range: 0 to 200.0%, ±1.5% of full scale(resolution 0.1%)
mg/L (ppm) Range: 0.00 to 20.00 mg/L, ±1.5% of full scale(resolution 0.01%)
Temperature Range: -5 to 105.0°C, ±0.5°C(resolution 0.1°C)
ATC: automatic from 0 to 50°C
Six simple buttons allow for freezing readings, toggling between display units and temperature results, setup, calibration, and automatic barometric and salinity compensation after manual parameter inputs.
Includes: DO probe w/ 3ft. cable, electrolyte solution, replacement membrane caps (2), sample bottles (3), hard carrying case, batteries, and instructions.
View Datasheet

Price: $541.00

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WD-35640-22

Oakton DO 110 Portable Dissolved Oxygen Meter.
% Saturation Range: 0 to 200.0%, ±1.5% full scale (resolution 0.1)
mg/L (ppm) Range: 0 to 20.0 mg/L, ±1.5% full scale (resolution 0.01 mg/L)
Temperature Range: 0 to 50°C, ±0.1°C ( resolution 0.1°C)
Barometric Pressure Range: 555 to 808 mmHg (resolution 1 mmHg)
ATC automatic or manual temperature compensation from 0 to 50°C.
The DO 110 meter offers compensation for temperature, barometric pressure, and percent saturation. Can store up to 100 readings in memory.
Includes: batteries and instructions.
View Datasheet

Price: $355.00

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WD-35640-20

Oakton DO 110 Portable Dissolved Oxygen Meter with Probe.
% Saturation Range: 0 to 200.0%, ±1.5% full scale (resolution 0.1)
mg/L (ppm) Range: 0 to 20.0 mg/L, ±1.5% full scale (resolution 0.01 mg/L)
Temperature Range: 0 to 50°C, ±0.1°C ( resolution 0.1°C)
Barometric Pressure Range: 555 to 808 mmHg (resolution 1 mmHg)
ATC automatic or manual temperature compensation from 0 to 50°C.
The DO 110 meter offers compensation for temperature, barometric pressure, and percent saturation. Can store up to 100 readings in memory.
Includes: DO probe with 10ft. cable, electrolyte solution, replacement membrane caps, batteries, and instructions.
View Datasheet

Price: $546.00

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WD-35640-64

Oakton DO 110 Portable Dissolved Oxygen Meter with Kit.
% Saturation Range: 0 to 200.0%, ±1.5% full scale (resolution 0.1)
mg/L (ppm) Range: 0 to 20.0 mg/L, ±1.5% full scale (resolution 0.01 mg/L)
Temperature Range: 0 to 50°C, ±0.1°C ( resolution 0.1°C)
Barometric Pressure Range: 555 to 808 mmHg (resolution 1 mmHg)
ATC automatic or manual temperature compensation from 0 to 50°C.
The DO 110 meter offers compensation for temperature, barometric pressure, and percent saturation. Can store up to 100 readings in memory.
Includes: DO probe with 10ft. cable, software, storage bottles (2), soft carrying case, batteries, and instructions.
View Datasheet

Price: $589.00

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WD-35641-01

Oakton DO 300 Portable Waterproof Dissolved Oxygen Meter (Backlit Display).
% saturation Range: 0.0 to 200.0%, ±1.5% full scale(resolution 0.1%)
mg/L (ppm) Range: 0.00 to 20.00 mg/L, ±1.5% full scale(resolution 0.01 mg/L)
Temperature Range: 0.0 to 50.0°C, ±0.3°C(resolution 0.1°C)
32.0 to 122.0°F, ±0.3°F(resolution 0.1°F)
ATC: automatic from 0 to 50°C
It automatically calculates barometric pressure and salinity offset values, and it guarantees high accuracy with independent 100%, zero, and offset adjustment capabilities.
Includes: batteries and instructions.
View Datasheet

Price: $394.00

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WD-35641-00

Oakton DO 300 Portable Waterproof Dissolved Oxygen Meter with DO Probe (Backlit Display).
% saturation Range: 0.0 to 200.0%, ±1.5% full scale(resolution 0.1%)
mg/L (ppm) Range: 0.00 to 20.00 mg/L, ±1.5% full scale(resolution 0.01 mg/L)
Temperature Range: 0.0 to 50.0°C, ±0.3°C(resolution 0.1°C)
32.0 to 122.0°F, ±0.3°F(resolution 0.1°F)
ATC: automatic from 0 to 50°C
It automatically calculates barometric pressure and salinity offset values, and it guarantees high accuracy with independent 100%, zero, and offset adjustment capabilities.
Includes: DO probe w/ 10ft. cable, electrolyte solution, replacement membrane caps, batteries, and instructions.
View Datasheet

Price: $656.00

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WD-35632-02

Oakton pH/DO 300 Portable Waterproof pH/Dissolved Oxygen/°C/°F Meter only.
pH Range: -2.00 to 16.00 pH, ±0.01 pH (resolution 0.01 pH)
% saturation Range: 0.0 to 200.0%, ±1.5% full scale (resolution 0.1%)
mg/L (ppm) Range: 0.00 to 20.00 mg/L, ±1.5% full scale (resolution 0.01 mg/L)
Temperature Range: 0.0 to 50.0°C, ±0.3°C (resolution 0.1°C)
32 to 122°F, ±0.5°F (resolution 0.1°F)
ATC manual or automatic from 0.0 to 100.0°C
The pH/DO 300 Meter measures pH, dissolved oxygen, and temperature. Can store up to 16 sets of measurements with temperature.
Includes: batteries and instructions.
View Datasheet

Price: $699.00

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WD-35632-00

Oakton pH/DO 300 Portable Waterproof pH/Dissolved Oxygen/°C/°F Meter with Electrode & Probe.
pH Range: -2.00 to 16.00 pH, ±0.01 pH (resolution 0.01 pH)
% saturation Range: 0.0 to 200.0%, ±1.5% full scale (resolution 0.1%)
mg/L (ppm) Range: 0.00 to 20.00 mg/L, ±1.5% full scale (resolution 0.01 mg/L)
Temperature Range: 0.0 to 50.0°C, ±0.3°C (resolution 0.1°C)
32 to 122°F, ±0.5°F (resolution 0.1°F)
ATC manual or automatic from 0.0 to 100.0°C
The pH/DO 300 Meter measures both pH, dissolved oxygen, and temperature. Can store up to 16 sets of measurements with temperature.
Includes: pH electrode, DO probe, electrolyte solution (500mL), batteries and instructions.
View Datasheet

Price: $1,193.00

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WD-35632-60

Oakton pH/DO 300 Portable Waterproof pH/Dissolved Oxygen/°C/°F Meter with Kit.
pH Range: -2.00 to 16.00 pH, ±0.01 pH (resolution 0.01 pH)
% saturation Range: 0.0 to 200.0%, ±1.5% full scale (resolution 0.1%)
mg/L (ppm) Range: 0.00 to 20.00 mg/L, ±1.5% full scale (resolution 0.01 mg/L)
Temperature Range: 0.0 to 50.0°C, ±0.3°C (resolution 0.1°C)
32 to 122°F, ±0.5°F (resolution 0.1°F)
ATC manual or automatic from 0.0 to 100.0°C
Includes: pH electrode, DO probe, pH "Singles" pouches, electrolyte solution (500mL), rinse bottle, replacement membranes (5), membrane replacement tool, hard carrying case, batteries and instructions.
View Datasheet

Price: $1,283.00

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WD-35441-02

Oakton DO 600 Portable Waterproof Dissolved Oxygen Meter.
mg/L (ppm) Range: 0.00 to 90.00 mg/L, ±0.2% mg/L (resolution 0.01 mg/L)
% Saturation Range: 0.0 to 600.0%, ±2% full scale (resolution 0.1%)
Temperature Range: 0 to 50°C, ±0.3°C (resolution 0.1°C)
32 to 122°F, ±0.3°F (resolution 0.1°F)
Automatic or manual temperature compensation from 0 to 50°C.
Fast dissolved oxygen measurement with automatic pressure compensation.
Includes: batteries.
View Datasheet

Price: $550.00

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WD-35441-00

Oakton DO 600 Portable Waterproof Dissolved Oxygen Meter with Probe.
mg/L (ppm) Range: 0.00 to 90.00 mg/L, ±0.2% mg/L (resolution 0.01 mg/L)
% Saturation Range: 0.0 to 600.0%, ±2% full scale (resolution 0.1%)
Temperature Range: 0 to 50°C, ±0.3°C (resolution 0.1°C)
32 to 122°F, ±0.3°F (resolution 0.1°F)
Automatic or manual temperature compensation from 0 to 50°C.
Fast dissolved oxygen measurement with automatic pressure compensation.
Includes: probe with 10-ft cable, electrolyte solution, replacement membrane caps, and batteries.
View Datasheet

Price: $850.00

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WD-35441-70

Oakton DO 600 Portable Waterproof Dissolved Oxygen Meter with Kit.
mg/L (ppm) Range: 0.00 to 90.00 mg/L, ±0.2% mg/L (resolution 0.01 mg/L)
% Saturation Range: 0.0 to 600.0%, ±2% full scale (resolution 0.1%)
Temperature Range: 0 to 50°C, ±0.3°C (resolution 0.1°C)
32 to 122°F, ±0.3°F (resolution 0.1°F)
Automatic or manual temperature compensation from 0 to 50°C.
Fast dissolved oxygen measurement with automatic pressure compensation.
Includes: probe with 10-ft cable, electrolyte solution, rubber boot, replacement membrane caps, hard carrying case, and batteries.
View Datasheet

Price: $965.00

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WD-35432-02

Oakton PD 650 Portable Waterproof pH/Dissolved Oxygen Meter.
Ranges
pH: -2.000 to 20.000 pH, ±0.002 pH (resolution 0.1/0.01/0.001pH)
Ion (ppm, molar, mg/L): 0.001 to 19,900 ppm, ±0.5% FS monovalent/±1% FS divalent (resolution 2 or 3 digits)
mV: ±2000 mV, ±0.2 mV (resolution 0.1 mV)
Dissolved Oxygen: 0.00 to 90.00 mg/L (ppm), ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2.0% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
Ideal for wastewater and aquaculture.
Includes: batteries.
View Datasheet

Price: $825.00

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WD-35432-00

Oakton PD 650 Portable Waterproof pH/Dissolved Oxygen Meter with "All-in-One" Probe.
Ranges
pH: -2.000 to 20.000 pH, ±0.002 pH (resolution 0.1/0.01/0.001pH)
Ion (ppm, molar, mg/L): 0.001 to 19,900 ppm, ±0.5% FS monovalent/±1% FS divalent (resolution 2 or 3 digits)
mV: ±2000 mV, ±0.2 mV (resolution 0.1 mV)
Dissolved Oxygen: 0.00 to 90.00 mg/L (ppm), ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2.0% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
Ideal for wastewater and aquaculture.
Includes: "All-in-One" probe, dissolved oxygen probe, and batteries.
View Datasheet

Price: $1,295.00

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WD-35432-70

Oakton PD 650 Portable Waterproof pH/Dissolved Oxygen Meter with Kit.
Ranges
pH: -2.000 to 20.000 pH, ±0.002 pH (resolution 0.1/0.01/0.001pH)
Ion (ppm, molar, mg/L): 0.001 to 19,900 ppm, ±0.5% FS monovalent/±1% FS divalent (resolution 2 or 3 digits)
mV: ±2000 mV, ±0.2 mV (resolution 0.1 mV)
Dissolved Oxygen: 0.00 to 90.00 mg/L (ppm), ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2.0% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
Ideal for wastewater and aquaculture.
Includes: "All-in-One" probe, dissolved oxygen probe, calibration standards (60mL each of pH 4.01, pH 7.00, electrode storage solution, and rinse water), rubber boot, multi-probe holder, hard carrying case, and batteries.
View Datasheet

Price: $1,395.00

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WD-35433-02

Oakton CD 650 Portable Waterproof Conductivity / Dissolved Oxygen Meter.
Ranges
Conductivity: 0 to 500.0 mS, ±1% FS (resolution 0.05% FS)
TDS: 0 to 500 ppt, ±1% FS (resolution 0.05% FS)
Salinity: 0 to 80 ppt
Resistivity: 0 to 20.00 MΩ
Dissolved Oxygen: 0.00 to 90.00 mg/L, ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
Great for salt water testing.
Includes: batteries.
View Datasheet

Price: $780.00

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WD-35433-00

Oakton CD 650 Portable Waterproof Conductivity / Dissolved Oxygen Meter with Probes.
Ranges
Conductivity: 0 to 500.0 mS, ±1% FS (resolution 0.05% FS)
TDS: 0 to 500 ppt, ±1% FS (resolution 0.05% FS)
Salinity: 0 to 80 ppt
Resistivity: 0 to 20.00 MΩ
Dissolved Oxygen: 0.00 to 90.00 mg/L, ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
Great for salt water testing.
Includes: conductivity probe, dissolved oxygen probe, and batteries.
View Datasheet

Price: $1,295.00

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WD-35433-70

Oakton CD 650 Portable Waterproof Conductivity / Dissolved Oxygen Meter with Kit.
Ranges
Conductivity: 0 to 500.0 mS, ±1% FS (resolution 0.05% FS)
TDS: 0 to 500 ppt, ±1% FS (resolution 0.05% FS)
Salinity: 0 to 80 ppt
Resistivity: 0 to 20.00 MΩ
Dissolved Oxygen: 0.00 to 90.00 mg/L, ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
Great for salt water testing.
Includes: conductivity probe, dissolved oxygen probe, calibration standards (60 mL each of pH 4.01, pH 7.00, 1413µS/cm, 12.88 mS solution), rubber boot, two electrode holders, hard carrying case, and batteries.
View Datasheet

Price: $1,410.00

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WD-35434-02

Oakton PCD 650 Portable Waterproof pH / Conductivity / Dissolved Oxygen Meter.
Ranges
pH: -2.000 to 20.000 pH, ±0.002 pH (resolution 0.1/0.01/0.001pH)
Ion (ppm, molar, mg/L): 0.001 to 19,900 ppm, ±0.5% FS monovalent/±1% FS divalent (resolution 2 or 3 digits)
mV: ±2000 mV, ±0.2 mV (resolution 0.1 mV)
Conductivity: 0 to 500.0 mS, ±1% FS (resolution 0.05% FS)
TDS: 0 to 500 ppt
Salinity: 0 to 80 ppt
Resistivity: 0 to 20.00 MΩ
Dissolved Oxygen: 0.00 to 90.00 mg/L, ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
All three parameters plus temperature measured and displayed simultaneously.
Includes: batteries.
View Datasheet

Price: $995.00

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WD-35434-00

Oakton PCD 650 Portable Waterproof pH / Conductivity / Dissolved Oxygen Meter with Probes.
Ranges
pH: -2.000 to 20.000 pH, ±0.002 pH (resolution 0.1/0.01/0.001pH)
Ion (ppm, molar, mg/L): 0.001 to 19,900 ppm, ±0.5% FS monovalent/±1% FS divalent (resolution 2 or 3 digits)
mV: ±2000 mV, ±0.2 mV (resolution 0.1 mV)
Conductivity: 0 to 500.0 mS, ±1% FS (resolution 0.05% FS)
TDS: 0 to 500 ppt
Salinity: 0 to 80 ppt
Resistivity: 0 to 20.00 MΩ
Dissolved Oxygen: 0.00 to 90.00 mg/L, ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
All three parameters plus temperature measured and displayed simultaneously.
Includes: "All-in-One" probe, conductivity probe, dissolved oxygen probe, and batteries.
View Datasheet

Price: $1,700.00

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WD-35434-70

Oakton PCD 650 Portable Waterproof pH / Conductivity / Dissolved Oxygen Meter with Kit.
Ranges
pH: -2.000 to 20.000 pH, ±0.002 pH (resolution 0.1/0.01/0.001pH)
Ion: 0.001 to 19,900 ppm, ±0.5% FS monovalent/±1% FS divalent (resolution 2 or 3 digits)
mV: ±2000 mV, ±0.2 mV (resolution 0.1 mV)
Conductivity: 0 to 500.0 mS, ±1% FS (resolution 0.05% FS)
TDS: 0 to 500 ppt
Salinity: 0 to 80 ppt
Resistivity: 0 to 20.00 MΩ
Dissolved Oxygen: 0.00 to 90.00 mg/L, ±0.2 mg/L (resolution 0.01 mg/L)
0.0 to 600.0%, ±2% (resolution 0.1%)
Temperature: -10 to 110°C, ±0.5°C (resolution 0.1°C)
14 to 230°F, ±0.9°F (resolution 0.1°F)
Includes: "All-in-One" probe, conductivity probe, do probe, calibration standards (60mL each of pH 4.01, pH 7.00, 1413µS/cm, 12.88 mS solution), rubber boot, multi-probe holder, hard carrying case, and batteries.
View Datasheet

Price: $1,555.00