Omega Products CDH-287-KIT User Manual

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⻬ 6 Conductivity Ranges
⻬ 2 Resistivity Ranges
⻬ 5 TDS Ranges
⻬ Practical Salinity in the Range

of 2 to 42.0, in Accordance with
UNESCO Data

⻬ Programmable Temperature

Coefficient

⻬ Microprocessor-Based
⻬ Easy to Operate
⻬ Ideal for Most Water Applications

CDH-287-KIT

$

986

Shown smaller
than actual size.

CDH-287, $986, shown
with the CDE-5001-GDI
glass dip probe K=1.0
with ATC sensor, $156.

Portable Conductivity/Resistivity/TDS/Salinity Meter

The CDH-287 is a portable, multi-ranging
conductivity meter with unsurpassed
accuracy and reliability in the field. It also
measures resistivity, total dissolved solids
and practical salinity, making the CDH-287
the most versatile meter on the market. It
comes with a glass, dip-style conductivity
probe with an integral temperature sensor
and cell constant of 1.0. This microprocessor­based conductivity meter features auto­ranging, programmable temperature
coefficient and error diagnostics. Simply
pressing the keypad switches from
conductivity to TDS, resistivity or salinity
units. A concentration mode allows operators
to choose their own concentration units and
create a specific calibration curve, by
measuring up to four concentration standards
and inputting the values.

To increase range accuracy, cells are also
available with constants of K=0.1 and K=10.
Dip cells and flow cells are available in both
glass and epoxy body styles.

Specifications

Conductivity

Ranges:

0.00 to 19.99 µS/cm or 1.999 mS/cm

0.00 to 199.9 µS/cm or 19.99 mS/cm
0000 to 1999 µS/cm or 199.9 mS/cm

0.00 to 19.99 mS/cm or 1999 mS/m

00.0 to 199.9 mS/cm or 19.99 mS/m
000 to 1999 mS/cm or 199.9 mS/m

Accuracy: ±0.3% rdg
Temperature Compensation:

Automatic, 0 to 50°C (32 to 212°F)

Total Dissolved Solids

Ranges:

0 to 19.99 mg/L, 0 to 199.9 mg/L
0 to 1999 mg/L, 0 to 1.999 g/L
0 to 19.99 g/L, 0 to 132.0 g/L

Accuracy: ±0.3% rdg

Resistivity

Ranges:

0 to 1.999 MΩ/cm or 0.019 MΩ/m
0 to 19.99 MΩ/cm or 0.199 MΩ/m

Accuracy: ±0.3% of reading

Salinity

Range: 2.0 to 42.0% salinity; automatic

conversion from conductivity, using
temperature relationship for seawater, in
accordance with UNESCO, IASPO data

Accuracy: ±0.3% rdg
Temperature Compensation: Automatic,

-2.0 to 35°C (28.4 to 95°F)

Concentration

Range: 0 to 9999, automatic ranging,

choice of units, background offset function
Calibration: 4 point straight line
interpolation

Temperature

Range: -30.0 to 130.0°C

(-22.0 to 266.0°F)

Accuracy: ±0.3°C (0.5°F)

General Specifications

Reference Temperature: 25°C (77°F),

selectable to 20°C (68°F)
Temperature Coefficient: Preset to 2%/°C;
programmable from 0 to 5%/°C

Measurement Frequency: 3000 Hz
Recorder Output: ±200.0 mV

RS232

Display: 12.7 mm (0.5") LCD
Dimensions: 100 L x 180 W x 44 mm D

(3.9 x 7.1 x 1.7")

Cable: 1.2 m (3.9')
Weight: 410 g (0.9 lb)
Power: 9V battery (included)

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Shown smaller
than actual size.

CDH-287, $986, shown
with the CDE-5001-GDI
glass dip probe K = 1.0
with ATC sensor, $156.

Note: Carbon (Graphite) probes are easier to clean and are recommended when suspended solids are present.

CDH-287-KIT is supplied with meter, glass dip-style conductivity probe with integral temperature sensor and cell constant of 1.0, sample bottle,
9V battery, calibration solution, rugged carrying case and operator’s manual.

Ordering Examples: CDH-287-KIT, meter and accessories, plus CDE-5008-EF10, epoxy flow cell, $986 + 378 = $1364.
CDH-287-KIT, meter and accessories, plus CDE-5011-ED01, 0.1 cell constant probe, $986 + 290 = $1276.

To Order

(Specify Model Number)

Model No. Price Description

CDH-287-KIT $986 Conductivity/resistivity/TDS/salinity meter, glass dip-style conductivity probe with integral temperature sensor,

K = 1.0, carrying case, sample bottle, 9V battery, calibration solution

CDE-5001-GDI 156 Replacement conductivity probe, glass dip-style, K=1.0 with ATC, platinum plates, 12 x 130 mm (0.47 x 5.1")
CDE-5002-PD1 140 Polymer dip-style probe, K = 1.0 with ATC, platinum plates, 12 x 130 mm (0.47 x 5.1")
CDE-5004-ED10 326 Epoxy dip-style probe, K = 10 with ATC, carbon plates, 26 x 353 mm (1.0 x 13.9")
CDE-5005-GF1 178 Glass flow cell, K = 1.0 with ATC, platinum plates, 13 x 166 mm (0.5 x 6.5") overall length, 5 mm (0.2") tubing

connections, 33 mm (1.3") cell head, 4 mL minimum volume

CDE-5008-EF10 378 Epoxy flow cell, K = 10 with ATC, carbon plates, 26 x 203 mm (1.0 x 8.0") with 10.5 mm (0.4") tubing connections,

353 mm (13.9") overall length, 13 mL volume

CDE-5010-ED1 312 Epoxy dip-style probe, K = 1 with ATC, carbon plates, 26 x 250 mm (1.0 x 9.8")
CDE-5011-ED01 290 Epoxy dip-style probe, K = 0.1 with ATC, carbon plates, 26 x 216 mm (1.0 x 8.5")
CDE-5012-EF1 366 Epoxy flow cell, K = 1.0 with ATC, carbon plates, 26 x 100 mm (1.0 x 3.9") with 10.5 mm (0.4") tubing connections,

250 mm (9.8") overall length, 26 mL volume

CDE-5013-EF01 340 Epoxy flow cell, K = 0.1 with ATC, carbon plates, 26 x 66 mm (1.0 x 2.6") with 10.5 mm (0.4") tubing connections,

216 mm (8.5") overall length, 12 mL volume

CDE-5014-GD01 160 Glass dip-style probe, K = 0.1 with ATC, platinum plates, 20 x 130 mm (0.8 x 5.1")
CDE-5019-ED1 140 Epoxy dip-style probe, K = 1.0 with ATC, carbon plates, 12 x 110 mm (0.5 x 4.3")
MN1604 3 Replacement 9V battery
ES-2036 120 Reference Book: Handbook of Drinking Water Quality

CDH-287-KIT, $986, is supplied with meter,
glass dip-style conductivity probe with
integral temperature sensor and cell
constant of 1.0, sample bottle, calibration
solution, rugged carrying case and
operator’s manual.

Cell Constant Measuring Range Typical Applications

0.1 >100 µS (platinum) >200 µS (carbon) Pure demineralized, distilled or boiler-fed water

1.0 100 µS to 100 mS Surface or wastewater-diluted salt solutions, fertilizers, electroplating rinses
10 Over 100 mS Concentrated salt solutions, sea water

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