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Hach sension 6 Instruction Sheet

Dissolved oxygen probe
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Introduction

Specifications

Warranty
Concentration Range
Accuracy
Temperature Range
Response Time
Minimum Sample
Flow
Drift
Length
Diameter
Connector
Weight Accessory
DISSOLVED OXYGEN PROBE
This instruction sheet provides information on the Hach Dissolved
Oxygen Probe for use with the sens
The Dissolved Oxygen Probe is a Clark-type amperometric sensor used
to measure dissolved oxygen in aqueous solutions. It consists of an
anode/cathode electrode system and potassium chloride-based
electrolyte, separated from the sample by a replaceable oxygen-
permeable Teflon membrane. A built-in thermistor provides automatic
temperature compensation when using the sens
Oxygen Meter.
Dissolved Oxygen
Probe
1-meter cable
1 year
0 - 20 mg/L or
0 - 200% saturation
± 1.0% Full Scale
0 - 50 °C
99% of full value in
1 minute
20 cm/sec
< 1%/day
150 mm
12 mm
5-pin circular
Optional
ion
™
6 Dissolved Oxygen Meter.
Dissolved Oxygen
Probe
3-meter cable
1 year
0 - 20 mg/L or
0 - 200% saturation
± 1.0% Full Scale
0 - 50 °C
99% of full value in
1 minute
20 cm/sec
< 1%/day
150 mm
12 mm
5-pin circular
Optional
51970-88
ion
6 Dissolved
Dissolved Oxygen
Probe
15-meter cable
1 year
0 - 20 mg/L or
0 - 200% saturation
± 1.0% Full Scale
0 - 50 °C
99% of full value in
1 minute
20 cm/sec
< 1%/day
150 mm
12 mm
5-pin circular
Included

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Summary of Contents for Hach sension 6

  • Page 1: Specifications

    51970-88 DISSOLVED OXYGEN PROBE Introduction This instruction sheet provides information on the Hach Dissolved Oxygen Probe for use with the sens ™ 6 Dissolved Oxygen Meter. The Dissolved Oxygen Probe is a Clark-type amperometric sensor used to measure dissolved oxygen in aqueous solutions. It consists of an...

  • Page 2: Dissolved Oxygen Probe

    2. Fill the module cap about of the way full with Dissolved Oxygen Electrolyte Filling Solution, Hach Cat. No. 27591-26. 3. Hold the DO probe in a vertical position with the tip down and gently screw the module cap onto the tip. Electrolyte should leak out of the threads.

  • Page 3: Probe Calibration

    Refer to the meter instruction manual for more information on probe storage. Probe Polarization Hach dissolved oxygen probes are continuously polarized when they Note: Prior to operation, connect the are connected to the instrument. A steady reading will not be seen for probe to the meter.

  • Page 4: Dissolved Oxygen Measurement

    DISSOLVED OXYGEN PROBE, continued Dissolved Oxygen Measurement After the probe is properly stabilized, chemically zeroed (for measurements below 1 mg/L), and calibrated, take measurements as follows: 1. Add the weight assembly to the probe if required (3 m or 15 m cable versions only).

  • Page 5: Maintenance

    Electrolyte Filling Solution is 1-2 months. Prior to replacing a membrane cap, rub the anode (the outer, metallic Note: Hach supplies a DO probe service kit stem of the probe that is visible when the membrane cap is removed) that includes one with the polishing cloth supplied with the probe.
  • Page 6 DISSOLVED OXYGEN PROBE, continued Table 1 Elevation Barometric Pressure Barometric Barometric Elevation Elevation Elevation Elevation pressure in pressure in in feet in meters in feet in meters mm Hg mm Hg 6000 1829 6500 1981 1000 7000 2134 1500 7500 2286 2000 8000...
  • Page 8 © Hach Company, 1999. All rights reserved. Printed in the U.S.A. dd/dk 2/99 1ed...

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