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51970-88

DISSOLVED OXYGEN PROBE

Introduction

This instruction sheet provides information on the Hach Dissolved 
Oxygen Probe for use with the sens

ion

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 
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

ion

6 Dissolved 

Oxygen Meter.

Specifications

Dissolved Oxygen 
Probe
1-meter cable

Dissolved Oxygen 
Probe
3-meter cable

Dissolved Oxygen 
Probe
15-meter cable

Warranty

1 year

1 year

1 year

Concentration Range

0 - 20 mg/L or 
0 - 200% saturation 

0 - 20 mg/L or 
0 - 200% saturation 

0 - 20 mg/L or
 0 - 200% saturation 

Accuracy

± 1.0% Full Scale

± 1.0% Full Scale

± 1.0% Full Scale

Temperature Range

0 - 50 °C

0 - 50 °C

0 - 50 °C

Response Time

99% of full value in 
1 minute

99% of full value in 
1 minute

99% of full value in 
1 minute

Minimum Sample 
Flow

20 cm/sec

20 cm/sec

20 cm/sec

Drift

< 1%/day

< 1%/day

< 1%/day

Length

150 mm

150 mm

150 mm

Diameter

12 mm

12 mm

12 mm

Connector

5-pin circular

5-pin circular

5-pin circular

Weight Accessory

Optional

Optional

Included

Содержание sension 6

Страница 1: ...sing the sension6 Dissolved Oxygen Meter Specifications Dissolved Oxygen Probe 1 meter cable Dissolved Oxygen Probe 3 meter cable Dissolved Oxygen Probe 15 meter cable Warranty 1 year 1 year 1 year Co...

Страница 2: ...sension6 Dissolved Oxygen Meter Instruction Manual for additional information Using the Weight Assembly The Weight Assembly is included with the probe equipped with the 15 m cable Install the weight...

Страница 3: ...or more information on probe storage Probe Polarization Note Prior to operation connect the probe to the meter Allow the probe to stabilize for 30 50 minutes before attempting a calibration Hach disso...

Страница 4: ...on around the probe tip by pulling on the cable to move the probe up and down approximately 3 6 inches 4 When the reading on the meter stabilizes record the value or store in meter memory Storage To s...

Страница 5: ...rmance of the probe seems to have degraded over time BOD Measurement Adapt the Model 51970 Dissolved Oxygen Probe for BOD measurements using the BOD Accessary Kit Cat No 51971 00 The kit includes a fu...

Страница 6: ...irrer 230 V without plug 45300 02 Filling Solution 50 mL 27591 26 Replacement Membranes 2 pkg 51973 00 Weight Assembly for the DO Probe 51969 00 Table 1 Elevation Barometric Pressure Elevation in feet...

Страница 7: ......

Страница 8: ...Hach Company 1999 All rights reserved Printed in the U S A dd dk 2 99 1ed...

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